TRAC-PRO® Catalog
Bobcat
® Engine Rebuild Kits & Parts
INDUSTRIAL GAS & DIESEL

RPM - RON'S PRECISION MACHINE, INC.
69 E. 580 N.
Santaquin, Utah 84655
1-801-754-5338 or Toll free 1-866-700-5877
Contact us anytime OR use your e-mail program and type in ron@rpmrons.com to send an e-mail with what you need
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Engine Rebuild Kit and Parts Online Catalog.

Engine Rebuild & Assembly Balancing & 
Blueprinting
Cylinder Heads
Engine Rebuild Kits Engine Start-up Other Related Web Sites Page 1
Crankshafts Degree Cam Other Related Web Sites Page 2
Purchase warranty & Return Information About the owner of RPM Frequently Asked Questions
MASTER ENGINE REBUILD KITS & PARTS

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 Order Form

Bobcat®
Engine Rebuild kits & parts with affordable prices.

TRAC-PRO® Bobcat®, Forklifts, Tractors, Industrial - Engine rebuild kit & parts.

FORKLIFT, TRACTOR, INDUSTRIAL
INDUSTRIAL, MARINE, TRACTOR COMBINE


FORKLIFT®, BOBCAT®, CASE®, FORD®, IHC®, ISUZU®, KUBOTA®, MASSEY FERGUSON®, YAMAR®


All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated.


TRAC-PRO® BOBCAT®


OFFERING REPLACEMENT BOBCAT® PARTS FOR:
PARTS AVAILABLE:
320/322 742/ 743 943/953 2410-L/ 642-B 763G/773G-E ENGINE OVERHAUL KITS,
BASIC OVERHAUL KITS,
PISTONS KITS,
ENGINE BEARINGS,
THRUST WASHERS,
UPPER & LOWER GASKET SETS,
OIL PUMPS & OTHER INTERNAL
ENGINE COMPONENTS INCLUDING
VALVE TRAIN
325/328 751/ 753 970/974 642-E/ 643-L 773G-L
331/334 763/ 773 11213/ 1600 742B-E/ 742B-L 843-L
337/341 825/ 853 2400/ 2410-E 751G/ 753G 963G-E
SERIES ENGINES 753H/ 753L 963G-L

All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated.


TRAC-PRO®

REPLACEMENT PARTS FOR

FORKLIFTS
CATERPILLAR® NISSAN®
ISUZU® PERKINS®
MAZDA® TOYOTA®
MITSUBISHI® WAUKESHA®
.

TRACTORS
ALLIS CHALMERS® IHC®
CASE® MASSEY FERGUSON®
FORD® (PERKINS/ CONTINENTAL)
.

INDUSTRIAL
BOBCAT® KUBOTA®
ISUZU® YANMAR®
WHITE®  

All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated.


Page I
WARRANTY
This warranty applies to all new tractor parts marketed by TRACTO-PARTS CENTER, INC.
(TRAC-PRO® for ALLIS CHALMERS®, BOBCAT®, CASE®, FORD®, INTERNATIONAL®,
JOHN DEERE®, MASSEY FERGUSON®, MASSEY HARRIS®, MINNEAPOLIS-MOLINE®,
OLIVER® & WHITE® tractors only. (All companies noted above (®) are used for reference only
and does not imply that any parts distributed are of their manufacture.)

Coverage: New TRAC-PRO® new replacement parts are warranted to be free from defects in material
and workmanship under normal use and service.

TRAC-PRO® new replacement parts are covered for 180 days from date of purchase. This warranty is
limited to replacement of parts purchased, or a refund of the purchase price. This warranty does
not cover diagnostic or installation labor, nor progressive damage.

Condition: 1. TRAC-PRO® must be notified by customer before filing a warranty claim.
2. All warranty claims must be in writing within 30 days of the origin of the claim and
TRAC-PRO® reserves the right to examine every single engine or part subject to a
claim under this warranty.
3. The customer must show proof of purchase from TRAC-PRO®.
4. The warranty parts must be shipped back FREIGHT PREPAID to TRAC-PRO®.

Limitations: 1. The provisions of this warranty shall not apply to any TRAC-PRO® part altered from its
original specification or which has been misused, exposed to weather conditions,
negligence, or damaged by accidents. TRAC-PRO® shall not be held liable for
consequential damages resulting from the breach of warranty.
2. This warranty is provided solely to direct customers of TRAC-PRO® and not to any other party.
TRAC-PRO® makes no other warranties expressed or implied, including
warranties of merchantability and /or fitness for a particular purpose are excluded.

Warranty provided by:
TRACTO-PARTS CENTER, INC.
tracpro@tracpro.com
www.tracpro.com


Page II
Terms and Conditions of Sales from RPM
for
TRACTO-PARTS CENTER, INC.

PRICES

Prices are subject to change without prior notice. All prices are in U.S. currency. Material will be billed at prices in effect at the time of shipment. Call for prices not listed & stock availability.

TERMS
DOMESTIC PURCHASES:
All parts purchased must be paid IN FULL before shipment.

INTERNATIONAL PURCHASES: Not available at this time but coming soon.

FREIGHT

Shipment will be effected freight collect by most advantageous carrier of customers’ choice. (Freight policy is in effect on regular surface shipments for destinations within the continental USA). This freight policy is for DOMESTIC customers only, excludes overseas clients. The freight for all the overseas orders will be at buyer’s expense.

RETURN OF GOODS

A return authorization number (RAN) must be obtained from TRAC-PRO® prior to return.
- A 20% restocking fee will be applied to all returns.
- Shipping costs are not refundable for any reason. Both ways.
- All returned parts must pass TRAC-PRO’s quality control inspection.
- Credit will be issued based on original purchase price and condition of returned goods.
- All goods must be returned in “sellable” condition to qualify for credit.
- All parts must be returned to TRAC-PRO® freight prepaid.

TAXES
Prices do not include state or local taxes.

Page III

INDEX for Bobcat parts
WARRANTY I
TERM & CONDITIONS OF SALES II
INDEX III
CONTENTS OF TRAC-PRO. KITS IV
 TABLE OF CONTENTS

VI
QUICK REFERENCE TO MODELS, S/N's, BORE
ENGINE KITS & PARTS
VII-VIII

Page IV
CONTENT OF KITS
BASIC ENGINE KITS (TBEK):
KIT INCLUDES:

• PISTONS (STD or 0.25MM or 0.50MM or 0.75MM or 1.00MM or 1.25MM or 1.50MM),
PIN & CLIIPS (WHEN REQUIRED).
• PISTON RING SETS (STD or 0.25MM or 0.50MM or 0.75MM or 1.00MM or 1.25MM or 1.50MM).
• SLEEVES (WHEN REQUIRED)
• GASKET SETS: FULL SET.
• MAIN BEARINGS (STD. or 0.25MM or 0.50MM or 0.75MM or 1.00MM).
• CON. ROD BEARINGS (STD. or 0.25MM or 0.50MM or 0.75MM or 1.00MM).
• THRUST WASHERS (WHEN REQUIRED) .
• BUSHINGS--- CONNECTING ROD & CAM (WHEN REQUIRED).


ENGINE KITS (TEK):
KIT INCLUDES:

• PISTONS (STD or 0.25MM or 0.50MM or 0.75MM or 1.00MM or 1.25MM or 1.50MM),
PIN & CLIIPS (WHEN REQUIRED).
• PISTON RING SETS (STD or 0.25MM or 0.50MM or 0.75MM or 1.00MM or 1.25MM or 1.50MM).
• SLEEVES (WHEN REQUIRED)
• GASKET SETS: FULL SET.
• MAIN BEARINGS (STD. or 0.25MM or 0.50MM or0.75MM or 1.00MM).
• CON. ROD BEARINGS (STD. or 0.25MM or 0.50MM or0.75MM or 1.00MM).
• THRUST WASHERS (WHEN REQUIRED) .
• BUSHINGS--- CONNECTING ROD & CAM (WHEN REQUIRED).
• VALVE TRAIN PARTS---VALVES (IN. & EX.), VALVE GUIDES.
• OIL SEALS--- FRONT & REAR (WHEN REQUIRED).


REMARKS: WHEN ORDERING, PLEASE SPECIFY:
• SIZE OF PISTONS (WHEN REQUIRED).
• SIZE OF PISTON RING SETS (WHEN REQUIRED).
• TYPE OF SLEEVES (WHEN REQUIRED).
• SIZE OF MAIN & CONNECTING ROD BEARINGS.


Page VI
BOBCAT® Models & Serial #'s

TABLE OF CONTENTS
EQUIPMENT MODEL ENGINE S/N # PAGE
331 EXCAVATOR 512913001 & ABOVE P1-2
331E EXCAVATOR 517711001 & ABOVE P1-2
334 EXCAVATOR 516711004 & ABOVE P1-2
337 EXCAVATOR 515411001 & ABOVE P3-4
341 EXCAVATOR 230611001 & ABOVE P3-4
642B LOADER 504025001 & ABOVE P5-6
643 LOADER 25234 & BELOW P7-8
643 LOADER 25235 & ABOVE P9-10
742 LOADER 507423001 & ABOVE P11-12
742B LOADER 509411001 & ABOVE P13-14
742B LOADER 509418001 & ABOVE P15-16
743 LOADER 501911001 & ABOVE P17-18
743B LOADER 509311001 & ABOVE P19-20
743B LOADER 18001 & ABOVE P21-22
751(751F) LOADER 515711001 & ABOVE P23-24
751(751F) LOADER 515611001 & ABOVE P23-24
751 G LOADER 515730001 & ABOVE P25-26
751 G LOADER 515620001 & ABOVE P25-26
753L BISC LOADER 512211001-11999 P27-28
753 LOADER 512711001-15999 P29-30
753 LOADER 511525001 & ABOVE P29-30
753 LOADER 511011001 7 ABOVE P29-30
753 LOADER 508690001-92999 P29-30
753 LOADER 511475001-75999 P29-30
753 LOADER 511350001 & ABOVE P29-30
753/753H LOADER 515811001-28999 P31-32
753/753H LOADER 516211001-19999 P31-32
753/753H LOADER 512716001 & ABOVE P31-32
753/753H LOADER 508630001 & ABOVE P31-32
753/753H LOADER 511476001 & ABOVE P31-32
753/753H LOADER 513911001-11148 P31-32
753G LOADER 515830001 & ABOVE P33-34
753G LOADER 516220001 & ABOVE P33-34
763 BISC LOADER 512212001-49999 P35-36
763 BISC LOADER 512440001-49999 P35-36
763 BISC LOADER 512512001-49999 P35-36
763G LOADER 512250001 & ABOVE P37-38
763G LOADER 5124500011 & ABOVE P37-38
763G LOADER 512620001 & ABOVE P37-38
773 BICS LOADER 509635001 & ABOVE P39-40
773 BICS LOADER 519616001-34999 P39-40
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated.

Page V
TABLE OF CONTENT
EQUIPMENT MODEL ENGINE S/N # PAGE
773G LOADER 517611001 & ABOVE P41-42
773G LOADER 518011001 & EXPORT P41-42
773G LOADER 518111004 & EXPORT P41-42
773G LOADER 519011001 & ABOVE P43-44
773G LOADER 519111001 & ABOVE P43-44
773G LOADER 519211001 & ABOVE P43-44
825 LOADER 495817001 P45-46
843 LOADER 503724001 & ABOVE P47-48
843 HHP HYD. LOADER 503724001 & ABOVE P47-48
843B LOADER 503760001 & ABOVE P49-50
853 LOADER 512811001-15999 P51-52
853 LOADER 510250001 & ABOVE P51-52
853 LOADER 510375001 & ABOVE P51-52
853 LOADER 508415001-17999 P51-52
853 LOADER 509715001-17999 P51-52
853 LOADER 510125001 & ABOVE P51-52
943 LOADER 503311999 & BELOW P53-54
943 LOADER 503312001 & ABOVE P53-54
953 LOADER 513111001 & ABOVE P55-56
953 LOADER 513115001 & ABOVE P55-56
963G BICS LOADER 562211001-14999 P57-58
963G BICS LOADER 51651001-14999 P57-58
963G BICS LOADER 562215001 & ABOVE P59-60
963G BICS LOADER 516515001 & ABOVE P59-60
970 LOADER 110000 & ABOVE P61-62
974 LOADER 496912001 P63-64
1213 LOADER - P65-66
1600 LOADEER 503111999 & BELOW P67-68
2400 LOADER 506511001 P69-70
2410 LOADER 509212999 & BELOW P71-72
2410 LOADER 509213001 & ABOVE P73-74
7753 BICS LOADER 509611001 P75-76
7753 BICS LOADER 509630001 P75-76
325 EXCAVATOR 514013001 & ABOVE P77-78
328 EXCAVATOR 516611001 & ABOVE P77-78
320 EXCAVATOR 562313001 & ABOVE P79-80
320 EXCAVATOR 562320001 & ABOVE P79-80
322 EXCAVATOR 517811001 & ABOVE P79-80
453 LOADER 5150 11001 & ABOVE P81-82
453 LOADER 5151 11001 & ABOVE P81-82
543 LOADER 12001 & ABOVE P83-84
543B LOADER 11999 & BELOW P85-86
553 BICS LOADER 513011001 P87-88
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated.

Page VII
BOBCAT® Models, Serial #'s, Bore Diameters, Number of cyinders & pages for
Engine rebuid kits & Parts.

QUICK REFERENCE CHART
EQUIP. MODEL ENGINE S/N # BORE Cyl PAGE NOTE
331 EXCAVATOR 512913001 & ABOVE 87MM 4 P1-2 -
331E EXCAVATOR 517711001 & ABOVE 87MM 4 P1-2 -
334 EXCAVATOR 516711001 & ABOVE 87MM

4
P1-2 -
337 EXCAVATOR 515411001 & ABOVE 87MM 4 P3-4 -
341 EXCAVATOR 230611001 & ABOVE 87MM 4 P3-4 -
642B LOADER 504025001 & ABOVE 3.027" 4 P5-6 -
643 LOADER 25234 & BELOW 85MM 3 P7-8 -
643 LOADER 25235 & ABOVE 85MM 3 P9-10 -
742 LOADER 507423001 & ABOVE 3.027" 4 P11-12 -
742B LOADER 509411001 & ABOVE 3.027" 4 P13-14 -
742B LOADER 509418001 & ABOVE 3.027" 4 P15-16 -
743 LOADER 501911001 & ABOVE 82MM 4 P17-18 -
743B LOADER 509311001 & ABOVE 82MM 4 P19-20 -
743B LOADER 18001 & ABOVE 82MM 4 P21-22 -
751(751F) LOADER 515711001 & ABOVE 80MM 4 P23-24 DOMESTIC
751(751F) LOADER 515611001 & ABOVE 80MM 4 P23-24 EXPORT
751 G LOADER 515730001 & ABOVE 80MM 4 P25-26 DOMESTIC
751 G LOADER 515620001 & ABOVE 80MM 4 P25-26 EXPORT
753L BISC LOADER 512211001- 11999 87MM 4 P27-28 -
753 LOADER 512711001- 15999 87MM 4 P29-30 FM 02/94 TO BICS
753 LOADER 511525001 & ABOVE 87MM 4 P29-30 PLUS
753 LOADER 511011001 7 ABOVE 87MM 4 P29-30 PLUS HHH
753 LOADER 508690001- 92999 87MM 4 P29-30 DELUX
753 LOADER 511475001- 75999 87MM 4 P29-30 DELUX HHH
753 LOADER 511350001 & ABOVE 87MM 4 P29-30 BASE
753/753H LOADER 515811001- 28999 87MM 4 P31-32 DOMESTIC F SERIES
753/753H LOADER 516211001- 19999 87MM 4 P31-32 EXPORT F SERIES
753/753H LOADER 512716001 & ABOVE 87MM 4 P31-32 DOMESTIC C SERIES
753/753H LOADER 508630001 & ABOVE 87MM 4 P31-32 EUROPE STD
753/753H LOADER 511476001 & ABOVE 87MM 4 P31-32 EUROPE H
753/753H LOADER 513911001- 11148 87MM 4 P31-32 EUROPE
753G LOADER 515830001 & ABOVE 87MM 4 P33-34 DOMESTIC
753G LOADER 516220001 & ABOVE 87MM 4 P33-34 EXPORT F SERIES
763 BISC LOADER 512212001- 49999 87MM 4 P35-36 DOMESTIC 763
763 BISC LOADER 512440001- 49999 87MM 4 P35-36 EXPORT 763
763 BISC LOADER 512512001- 49999 87MM 4 P35-36 EXPORT 763H
763G LOADER 512250001 & ABOVE 87MM 4 P37-38 DOMESTIC
763G LOADER 5124500011 & ABOVE 87MM 4 P37-38 EXPORT
763G LOADER 512620001 & ABOVE 87MM 4 P37-38 EXPORT
773 BICS LOADER 509635001 & ABOVE 87MM 4 P39-40 DOMESTIC
773 BICS LOADER 519616001- 34999 87MM 4 P39-40 EXPORT
773G LOADER 517611001 & ABOVE 87MM 4 P41-42 DOMESTIC
773G LOADER 518011001 & EXPORT 87MM 4 P41-42 EXPORT
773G LOADER 518111004 & EXPORT 87MM 4 P41-42 EXPORT
773G LOADER 519011001 & ABOVE 83MM 4 P43-44 DOMESTIC

All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page VII

QUICK REFERENCE CHART
EQUIP.MODEL ENGINE
S/N #
BORE Cyl PAGE NOTE
773G LOADER 519111001 & ABOVE 83MM 4 P43-44 EXPORT
773G LOADER 519211001 & ABOVE 83MM 4 P43-44 EXPORT HRUST
HIGH HP HYD.
825 LOADER 495817001 79MM 4 P45-46 -
843 LOADER 503724001 & ABOVE 93MM 4 P47-48 -
843 HHP HYD. LOADER 503724001 & ABOVE 93MM 4 P47-48 -
843B LOADER 503760001 & ABOVE 93MM 4 P49-50 -
853 LOADER 512811001- 15999 93MM 4 P51-52 FM FEB-94 TO BICS
853 LOADER 510250001 & ABOVE 93MM 4 P51-52 PLUS
853 LOADER 510375001 & ABOVE 93MM 4 P51-52 PLUS HHH
853 LOADER 508415001- 17999 93MM 4 P51-52 DELUXE (EUROPEAN)
853 LOADER 509715001- 17999 93MM 4 P51-52 DELUXE  HHH (EUROPEAN)
853 LOADER 510125001 & ABOVE 93MM 4 P51-52 BASE
943 LOADER 503311999 & BELOW 3.875" 4 P53-54 -
943 LOADER 503312001 & ABOVE 3.875" 4 P53-54 -
953 LOADER 513111001 & ABOVE 3.875" 4 P55-56 DOMESTIC
953 LOADER 513115001 & ABOVE 3.875" 4 P55-56 EXPORT
963G BICS LOADER 562211001- 14999 3.937" 4 P57-58 -
963G BICS LOADER 51651001-
14999
3.937" 4 P57-58 -
963G BICS LOADER 562215001 & ABOVE 3.937" 4 P59-60 DOMESTIC
963G BICS LOADER 516515001 & ABOVE 3.937" 4 P59-60 EUROPEAN
970 LOADER 110000 & ABOVE 3.875" 4 P61-62 -
974 LOADER 496912001 3.875" 4 P63-64 -
1213 LOADER - 93MM 4 P65-66 -
1600 LOADEER 503111999 & BELOW 82MM 4 P67-68 -
2400 LOADER 506511001 3.875" 4 P69-70 -
2410 LOADER 509212999 & BELOW 3.875" 4 P71-72 -
2410 LOADER 509213001 & ABOVE 3.875" 4 P73-74 -
7753 BICS LOADER 509611001 87MM 4 P75-76 DOMESTIC
7753 BICS LOADER 509630001 87MM 4 P75-76 DOMESTIC & EXPORT
325 EXCAVATOR 514013001 & ABOVE 87MM 3 P77-78 -
328 EXCAVATOR 516611001 & ABOVE 87MM 3 P77-78 -
320 EXCAVATOR 562313001 & ABOVE 67MM 3 P79-80 -
320 EXCAVATOR 562320001 & ABOVE 67MM 3 P79-80 -
322 EXCAVATOR 517811001 & ABOVE 67MM 3 P79-80 -
453 LOADER 5150 11001 & ABOVE 67MM 3 P81-82 DOMESTIC
453 LOADER 5151 11001 & ABOVE 67MM 3 P81-82 EXPORT
543 LOADER 12001 &
ABOVE
75MM 3 P83-84 -
543B LOADER 11999 &
BELOW
75MM 3 P85-86 -
553 BICS LOADER 513011001 75MM 3 P87-88 -

All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 1
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
331 EXCAVATOR S/N:512913001 & ABOVE

87MM

4
331E EXCAVATOR S/N:517711001 & ABOVE

87MM

4
334 EXCAVATOR S/N:516711001 & ABOVE

87MM

4

TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
TEK331.334 $1,372.00 ENGINE KIT  1 - - - -
TBEK331.334 $1,022.00 BASIC ENGINE KIT 1 - - - -
T6655177A PISTON W/PIN & CLIP (STD) 4 * * - -
T6657695A PISTON W/ PIN & CLIP (0.5MM) 4 * * - -
T6655177 PISTON (STD) 4 - - - -
T6657695 PISTON (0.5MM) 4 - - - -
T6655178 RING SET (CYL) (STD) 4 * * - -
T6657696 RING SET (CYL) (0.50MM) 4 * * - -
T6655179 PIN, PISTON 4 - - - -
T6655180 CIR-CLIP, PISTON 8 - - - -
T6655185 C/S BRG STD (PC) 1 * * - -
T6655186 C/S BRG SET, STD (PAIR) 4 * * - -
T6655238 C/S BRG 0.20MM (PC) 1 * * - -
T6655240 C/S BRG SET, 0.20MM (PAIR) 4 * * - -
T6655239 C/S BRG 0.40MM (PC) 1 * * - -
T6655241 C/S BRG SET, 0.40MM (PAIR) 4 * * - -
T6655183 C/R BRG SET, STD (PAIR) 4 * * - -
T6655236 C/R BRG SET , 0.20MM (PAIR) 4 * * - -
T6655237 C/R BRG SET, 0.40MM (PAIR) 4 * * - -
T3974945 THRUST WASHERS STD (PC) 2 * * - -
T6653865 THRUST WASHERS STD (PC) 2 * * - -
T3975021 THRUST WASHERS 0.20MM (PC) 2 * * - -
T6654002 THRUST WASHERS 0.20MM (PC) 2 * * - -
T3975022 THRUST WASHERS 0.40MM (PC) 2 * * - -
T6654003 THRUST WASHERS 0.40MM (PC) 2 * * - -
T6655243 BUSH, ROD (PC) 4 * * - -
T6657401 GASKET SET, UPPER 1 * * - -
T6657402 GASKET SET, LOWER 1 * * - -
T6655159 GASKET, HEAD 1 - - - -
T6666817 GASKET, OIL PAN 1 - - - -
T6598136 GASKET, ROCKER COVER 1 - - - -
T6631664 SEAL, FRONT 1 - - - -
T6649300 SEAL, REAR (LIP) 1 - - - -
T6653859 SLEEVE, REPAIR 1 - - - -
T6655498 BOLT, CON. ROD 8 - - - -
T6655173 VALVE, IN. 4 - * - -
T6655174 VALVE, EX. 4 - * - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 2
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
331 EXCAVATOR S/N:512913001 & ABOVE

87MM

4
331E EXCAVATOR S/N:517711001 & ABOVE

87MM

4
334 EXCAVATOR S/N:516711001 & ABOVE

87MM

4

TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
T6655154 GUIDE, IN. VALVE 4 - * - -
T6653803 GUIDE, EX. VALVE 4 - * - -
T3974516 VALVE KEEPERS 16 - * - -
T3974514 SPRING, VALVE 8 - * - -
T3974515 RETAINER, V. SPRING 8 - * - -
T3974518 CAP, VALVE 8 - * - -
T6653830 SEAL, VALVE STEM 8 - - - -
T6655155 SEAT, IN. VALVE 4 - - - -
T6655156 SEAT, EX. VALVE 4 - - - -
T6667428 TAPPET 8 - - - -
T6655176 PUSH ROD 8 - - - -
T6655870 ROCKER ARM ASS'Y 8 - - - -
T6667480 CHAMBER, Combustion 4 - - - -
T6655384 CAMSHAFT 1 - - - -
T6653941 WATER PUMP 1 - - - -
T6666804 GASKET, WATER PUMP 1 - - - -
T6666782 GASKET, OIL PUMP 1 - - - -
T3975426 OIL PUMP 1 - - - -
T3974389 CAP, SEALING (BLOCK) 6 - - - -
T3974390 CAP, SEALING (BLOCK) 2 - - - -
T4FM-18 CAP, SEALING (BLOCK) 3 - - - -
T4FM-45 CAP, SEALING (BLOCK) 1 - - - -
T3974432 CAP, SEALING (HEAD) 12 - - - -
T3974433 CAP, SEALING (HEAD) 1 - - - -
T6653948 Thermostat 1 - - - -
T6655233 GLOW PLUG 4 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 3
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
337 EXCAVATOR S/N: 515411001 & ABOVE

87MM

4
341 EXCAVATOR S/N: 230611001 & ABOVE 

 87MM

4

TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
TEK337.341 $1,344.00 ENGINE KIT 1 - - - -
TBEK337.341 $1,022.00 BASIC ENGINE KIT 1 - - - -
T6655177A PISTON W/ PIN & CLIP (STD) 4 * * - -
T6657695A PISTON W/ PIN & CLIP (0.5MM) 4 * * - -
T6655177 PISTON (STD) 4 - - - -
T6657695 PISTON (0.5MM) 4 - - - -
T6655178 RING SET (CYL) (STD) 4 * * - -
T6657696 RING SET (CYL) (0.50MM) 4 * * - -
T6655179 PIN, PISTON 4 - - - -
T6655180 CIR-CLIP, PISTON 8 - - - -
T6655185 C/S BRG STD (PC) 1 * * - -
T6655186 C/S BRG SET, STD (PAIR) 4 * * - -
T6655238 C/S BRG 0.20MM (PC) 1 * * - -
T6655240 C/S BRG SET, 0.20MM (PAIR) 4 * * - -
T6655239 C/S BRG 0.40MM (PC) 1 * * - -
T6655241 C/S BRG SET, 0.40MM (PAIR) 4 * * - -
T6655183 C/R BRG SET, STD (PAIR) 4 * * - -
T6655236 C/R BRG SET , 0.20MM (PAIR) 4 * * - -
T6655237 C/R BRG SET, 0.40MM (PAIR) 4 * * - -
T3974945 THRUST WASHERS STD (PC) 2 * * - -
T6653865 THRUST WASHERS STD (PC) 2 * * - -
T3975021 THRUST WASHERS 0.20MM (PC) 2 * * - -
T6654002 THRUST WASHERS 0.20MM (PC) 2 * * - -
T3975022 THRUST WASHERS 0.40MM (PC) 2 * * - -
T6654003 THRUST WASHERS 0.40MM (PC) 2 * * - -
T6655243 BUSH, ROD (PC) 4 * * - -
T6657401 GASKET SET, UPPER 1 * * - -
T6657402 GASKET SET, LOWER 1 * * - -
T6655159 GASKET, HEAD 1 - - - -
T6666817 GASKET, OIL PAN 1 - - - -
T6598136 GASKET, ROCKER COVER 1 - - - -
T6631664 SEAL, FRONT 1 - - - -
T6649300 SEAL, REAR (LIP) 1 - - - -
T6653859 SLEEVE, REPAIR 1 - - - -
T6655498 BOLT, CON. ROD 8 - - - -
T6655173 VALVE, IN. 4 - * - -
T6655174 VALVE, EX. 4 - * - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 4
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
337 EXCAVATOR S/N: 515411001 & ABOVE

87MM

4
341 EXCAVATOR S/N: 230611001 & ABOVE    

TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
T6655154 GUIDE, IN. VALVE 4 - * - -
T6653803 GUIDE, EX. VALVE 4 - * - -
T3974516 VALVE KEEPERS 16 - * - -
T3974514 SPRING, VALVE 8 - * - -
T3974515 RETAINER, V. SPRING 8 - * - -
T3974518 CAP, VALVE 8 - * - -
T6653830 SEAL, VALVE STEM 8 - - - -
T6655155 SEAT, IN. VALVE 4 - - - -
T6655156 SEAT, EX. VALVE 4 - - - -
T6667428 TAPPET 8 - - - -
T6655176 PUSH ROD 8 - - - -
T6655870 ROCKER ARM ASS'Y 8 - - - -
T6667480 CHAMBER, Combustion 4 - - - -
T6655384 CAMSHAFT 1 - - - -
T6653941 WATER PUMP 1 - - - -
T6666804 GASKET, WATER PUMP 1 - - - -
T6666782 GASKET, OIL PUMP 1 - - - -
T3975426 OIL PUMP 1 - - - -
T3974389 CAP, SEALING (BLOCK) 6 - - - -
T3974390 CAP, SEALING (BLOCK) 2 - - - -
T4FM-18 CAP, SEALING (BLOCK) 3 - - - -
T4FM-45 CAP, SEALING (BLOCK) 1 - - - -
T3974432 CAP, SEALING (HEAD) 12 - - - -
T3974433 CAP, SEALING (HEAD) 1 - - - -
T6653948 Thermostat 1 - - - -
T6655233 GLOW PLUG 4 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated
.

Page 5
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
642B LOADER S/N: 504025001 & ABOVE

3.027”

4
TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
TEK642B $532.00 ENGINE KIT 1 - - - -
TBEK642B $364.00 BASIC ENGINE KIT 1 - - - -
T6632702 PISTON W/PIN&CLIP (STD) 4 * * - -
T6632723 PISTON W/PIN&CLIP (0.25MM) 4 * * - -
T6632724 PISTON W/PIN&CLIP (0.50MM) 4 * * - -
T6632725 PISTON W/PIN&CLIP (0.75MM) 4 * * - -
T6632726 PISTON W/PIN&CLIP (1.00MM) 4 * * - -
T6632776 RING SET (CYL) (STD) 4 * * - -
T6632777 RING SET (CYL) (0.25MM) 4 * * - -
T6632778 RING SET (CYL) (0.50MM) 4 * * - -
T6632779 RING SET (CYL) (0.75MM) 4 * * - -
T6632780 RING SET (CYL) (1.00MM) 4 * * - -
T6632759 C/S BRG STD 1 * * - -
T6632760 C/S BRG 0.25MM 1 * * - -
T6632761 C/S BRG 0.50MM 1 * * - -
T6632762 C/S BRG 0.75MM 1 * * - -
T6632763 C/R BRG STD 1 * * - -
T6632764 C/R BRG , 0.25MM 1 * * - -
T6632765 C/R BRG 0.50MM 1 * * - -
T6632766 C/R BRG 0.75MM 1 * * - -
T6652376 SPACER, CAMSHAFT 1 * * - -
T6651702 GASKET SET, COMPLETE 1 * * T6632858 -
T6647755 GASKET, HEAD 1 - - T6632735 -
T6632707 GASKET, OIL PAN 1 - - - -
T6632695 GASKET, ROCKER COVER 1 - - - -
T6632752 SEAL, FRONT 1 - - - -
T6632738 SEAL, REAR (LIP) 1 - - - -
T6632671 BOLT, CON. ROD 8 - - - -
T6632670 NUT, CON. ROD 8 - - - -
T6632767 VALVE, IN. 4 - * - -
T6632768 VALVE, EX. 4 - * - -
TIVG642B GUIDE, IN. VALVE . STD 4 - * - -
T6632657 GUIDE, IN. VALVE (0.05MM O.S.) 4 - - - -
T6632658 GUIDE, IN. VALVE (0.25MM O.S.) 4 - - - -
T6632659 GUIDE, IN. VALVE (0.50MM O.S.) 4 - - - -
TEVG642B GUIDE, EX. VALVE. STD 4 - * - -
T6632660 GUIDE, EX. VALVE (0.05MM O.S.) 4 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 6
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
642B LOADER S/N: 504025001 & ABOVE

3.027"

4

TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
T6632661 GUIDE, EX. VALVE (0.25MM O.S.) 4 - - - -
T6632662 GUIDE, EX. VALVE (0.50MM O.S.) 4 - - - -
T6632753 VALVE KEEPERS 16 - * - -
T6632860 SPRING, VALVE 8 - * - -
T6632663 RETAINER, V. SPRING 8 - * - -
T6632757 RETAINER, V. SPRING 8 - * - -
T6632664 SEAL, VALVE STEM 8 - - - -
T6632655 SEAT, IN. VALVE 0.30 4 - - - -
T6632656 SEAT, IN. VALVE 0.60 4 - - - -
T6632774 SEAT, EX. VALVE 0.30 4 - - - -
T6632775 SEAT, EX. VALVE 0.60 4 - - - -
T6632688 ROCKER ARM (FK8258 & BELOW) 8 - - - -
T6651799 ROCKER ARM (FK8259 & ABOVE) 8 - - - -
T6632729 CAMSHAFT 1 - - - -
T6632772 TIMING BELT 1 - - - -
T6632681 SPROCKET 1 - - - -
T6661683 SPROCKET 1 - - T6632853 -
T6632712 TENSIONER (FG8985 & BELOW) 1 - - - -
T6651800 TENSIONER (FG8986& ABOVE) 1 - - - -
T6632734 SPROCKET, OIL PUMP 1 - - - -
T6632822 WATER PUMP 1 - - - -
T6632714 GASKET, WATER PUMP 1 - - - -
T6632733 OIL PUMP 1 - - - -
T6632878 CAP, SEALING (BLOCK) 1 - - - -
T6632650 CAP, SEALING (BLOCK) 7 - - - -
T6632652 CAP, SEALING (HEAD) 1 - - - -
T6632877 CAP, SEALING (HEAD) 1 - - - -
T6632623 SWITCH, OIL PRESSURE 1 - - - -
T6632614 Thermostat 1 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 7
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
643 LOADER S/N: 25234 & BELOW

85MM

3
TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
TEK643-E $1,190.00 ENGINE KIT 1 - - - -
TBEK643-E $952.00 BASIC ENGINE KIT 1 - - - -
T6630185A PISTON W/PIN & CLIP, STD (FRONT & REAR) (E/25234 & BELOW) 2 * * - -
T6653844A PISTON W/PIN & CLIP, STD (CENTER) (E/25234 & BELOW) 1 * * - -
T6631945A (FRONT & REAR) (E/25234 & BELOW) 2 * * - -
T6634611A (CENTER) (E/25234 & BELOW) 1 * * - -
T6630185 PISTON, STD (FRONT & REAR) (E/25234 & BELOW) 2 - - - -
T6653844 PISTON, STD (CENTER) (E/25234 & BELOW) 1 - - - -
T6631945 PISTON, 0.50MM (FRONT & REAR) (E/25234 & BELOW) 2 - - - -
T6634611 PISTON, 0.50MM (CENTER) (E/25234 & BELOW) 1 - - - -
T6630463 RING, STD (E/25234 & BEL) 3 * * T6598712 -
T6631946 RING, 0.5MM (E/25234 & BELOW) 3 * * T6599920 -
T3974937 PIN, PISTON 3 - - - -
T3974561 CIR-CLIP, PISTON 6 - - - -
T6653792 LINER 3 * * - -
T6655185 C/S BRG STD 1 * * T3974578 -
T6655186 C/S BRG STD 3 * * T3974579 -
T3975017 C/S BRG 0.20MM 1 * * T6655238 -
T3975019 C/S BRG 0.20MM 3 * * T6655240 -
T3975018 C/S BRG 0.40MM 1 * * T6655239 -
T3975020 C/S BRG 0.40MM 3 * * T6655241 -
T6598699 C/R BRG STD 3 * * - -
T6599918 C/R BRG , 0.20MM 3 * * - -
T6599919 C/R BRG 0.40MM 3 * * - -
T3974945 THRUST WASHERS STD 2 * * - -
T6653865 THRUST WASHERS STD 2 * * T3974946 -
T3975021 THRUST WASHERS 0.20MM 2 * * T6654715 -
T3975023 THRUST WASHERS 0.20MM 2 * * T6654002 -
T6599915 THRUST WASHERS 0.40MM 2 * * - -
T3975024 THRUST WASHERS 0.40MM 2 * * T6654003 -
T3974939 BUSH, ROD 3 * * - -
T6630552 GASKET SET, UPPER 1 * * - -
T6630553 GASKET SET, LOWER 1 * * - -
T6666808 GASKET, HEAD 1 - - T6646702 -
T6598707 SHIM (0.0078), CYL. HEAD 1 - - - -
T6666815 GASKET, OIL PAN 1 - - T6598695 -
T6598709 GASKET, ROCKER COVER 1 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 8
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
643 LOADER S/N: 25234 & BELOW

85MM

3
TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
T6631664 SEAL, FRONT 1 - - - -
T3974477 SEAL, REAR (LIP) (E/16936 & BELOW) 1 - - - -
T6649300 SEAL, REAR (LIP) (E/16937 & ABV) 1 - - - -
T6653859 SLEEVE, REPAIR (E/16937 & ABV) 1 - - T3975534 -
T6655498 BOLT, CON. ROD 6 - - T6655488 -
T3974512 VALVE, IN. 3 - * T6653828 -
T3974513 VALVE, EX. 3 - * T6653829 -
T6655154 GUIDE, IN. VALVE 3 - * T3974434 -
T6653803 GUIDE, EX. VALVE 3 - * T3974879 -
T3974516 VALVE KEEPERS 12 - * - -
T3974514 SPRING, VALVE 6 - * - -
T3974515 RETAINER, V. SPRING 6 - * - -
T3974518 CAP, VALVE 6 - * - -
T6653830 SEAL, VALVE STEM 6 - - T3974517 -
T6667428 TAPPET 6 - - T3974540 -
T3974541 PUSH ROD 6 - - - -
T3975438 ROCKER ARM ASS'Y 6 - - T6598171 -
T6630369 CHAMBER, Combustion 1 - - - -
T6653837 CAMSHAFT 1 - - T6598710 -
T6653941 WATER PUMP 1 - - T3974948 -
T6666804 GASKET, WATER PUMP 1 - - T3974995 -
T3974456 GASKET, OIL PUMP 1 - - T6630553 -
T3974455 OIL PUMP 1 - - - -
T3974389 CAP, SEALING (BLOCK) 5 - - - -
T3974390 CAP, SEALING (BLOCK) 2 - - - -
T4FM-18 CAP, SEALING (BLOCK) 3 - - - -
T4FM-45 CAP, SEALING (BLOCK) 1 - - - -
T3974432 CAP, SEALING (HEAD) 9 - - - -
T3974433 CAP, SEALING (HEAD) 1 - - - -
T6652576 OIL SWITCH 1 - - T3974263 -
T6630184 Thermostat 1 - - - -
T3974953 GLOW PLUG 3 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 9
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
643 LOADER S/N: 25235 & ABOVE

85MM

3
TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
TEK643-L $1,190.00 ENGINE KIT 1 - 1 - -
TBEK643-L $952.00 BASIC ENGINE KIT 1 - - - -
T6630185A (FRONT & REAR) (E/25235 & ABOVE.) 2 * * - -
T6634309A (CENTER) (E/25235 & ABOVE) 1 * * T6653844A
T6631945A PISTONW/ PIN & CLIP, 0.50M (FRONT & REAR) (E/25235 & ABOVE.) 2 * * - -
T6634611A PISTON W/ PIN & CLIP, 0.50MM (CENTER) (E/25235 & ABOVE) 1 * * - -
T6630185 PISTON, STD (FRONT & REAR) (E/25235 & ABOVE.) 2 - - - -
T6634309 PISTON, STD (CENTER) (E/25235 & ABOVE) 1 - - - -
T6631945 PISTON, 0.50MM (FRONT & REAR) (E/25235 & ABOVE.) 2 - - - -
T6634611 PISTON 0.50MM (CENTER) (E/25235 & ABOVE) 1 - - - -
T6630463 RING, STD (E/25235 & ABV) 3 * * - -
T6631946 RING, 0.5MM (E/25235 & ABOVE) 3 * * - -
T3974937 PIN, PISTON 3 - - - -
T3974561 CIR-CLIP, PISTON 6 - - - -
T6653792 LINER 3 * * - -
T6655185 C/S BRG STD 1 * * T3974578 -
T6655186 C/S BRG STD 3 * * T3974579 -
T3975017 C/S BRG 0.20MM 1 * * T6655238 -
T3975019 C/S BRG 0.20MM 3 * * T6655240 -
T3975018 C/S BRG 0.40MM 1 * * T6655239 -
T3975020 C/S BRG 0.40MM 3 * * T6655241 -
T6598699 C/R BRG STD 3 * * - -
T6599918 C/R BRG , 0.20MM 3 * * - -
T6599919 C/R BRG 0.40MM 3 * * - -
T3974945 THRUST WASHERS
STD
2 * * - -
T6653865 THRUST WASHERS
STD
2 * * T3974946 -
T3975021 THRUST WASHERS 0.20MM 2 * * T6654715 -
T3975023 THRUST WASHERS 0.20MM 2 * * T6654002 -
T6599915 THRUST WASHERS 0.40MM 2 * * - -
T3975024 THRUST WASHERS 0.40MM 2 * * T6654003 -
T3974939 BUSH, ROD 3 * * - -
T6630552 GASKET SET, UPPER 1 * * - -
T6630553 GASKET SET, LOWER 1 * * - -
T6666808 GASKET,
HEAD
1 - - T6646702 -
T6598707 SHIM (0.0078), CYL HEAD 1 - - - -
T6666815 GASKET, OIL PAN 1 - - T6598695 -
T6598709 GASKET, ROCKER COVER 1 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 10
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
643 LOADER S/N: 25235 & ABOVE

85MM

3
TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
T6631664 SEAL, FRONT 1 - - - -
T3974477 SEAL, REAR (LIP) (E/16936 & BELOW) 1 - - - -
T6649300 SEAL, REAR (LIP) (E/16937 & ABV) 1 - - - -
T6653859 SLEEVE, REPAIR (E/16937 & ABV) 1 - - T3975534 -
T6655498 BOLT, CON. ROD 6 - - T6655488 -
T3974512 VALVE, IN. 3 - * T6653828 -
T3974513 VALVE, EX. 3 - * T6653829 -
T6655154 GUIDE, IN. VALVE 3 - * T3974434 -
T6653803 GUIDE, EX. VALVE 3 - * T3974879 -
T3974516 VALVE KEEPERS 12 - * - -
T3974514 SPRING, VALVE 6 - * - -
T3974515 RETAINER, V. SPRING 6 - * - -
T3974518 CAP, VALVE 6 - * - -
T6653830 SEAL, VALVE STEM 6 - - T3974517 -
T6667428 TAPPET 6 - - T3974540 -
T3974541 PUSH ROD 6 - - - -
T3975438 ROCKER ARM ASS'Y 6 - - T6598171 -
T6630369 CHAMBER, Combustion 1 - - - -
T6653837 CAMSHAFT 1 - - T6598710 -
T6653941 WATER PUMP 1 - - T3974948 -
T6666804 GASKET, WATER PUMP 1 - - T3974995 -
T3974456 GASKET, OIL PUMP 1 - - T6630553 -
T3974455 OIL PUMP 1 - - - -
T3974389 CAP, SEALING (BLOCK) 5 - - - -
T3974390 CAP, SEALING (BLOCK) 2 - - - -
T4FM-18 CAP, SEALING (BLOCK) 3 - - - -
T4FM-45 CAP, SEALING (BLOCK) 1 - - - -
T3974432 CAP, SEALING (HEAD) 9 - - - -
T3974433 CAP, SEALING (HEAD) 1 - - - -
T6652576 OIL SWITCH 1 - - T3974263 -
T6630184 Thermostat 1 - - - -
T3974953 GLOW PLUG 3 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 11
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
742 LOADER S/N: 507423001 & ABOVE

3.027”

4
TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
TEK742 $560.00 ENGINE KIT 1 - - - -
TBEK742 $392.00 BASIC ENGINE KIT 1 - - - -
T6632702 PISTON W/PIN&CLIP (STD) 4 * * - -
T6632723 PISTON W/PIN&CLIP (0.25MM) 4 * * - -
T6632724 PISTON W/PIN&CLIP (0.50MM) 4 * * - -
T6632725 PISTON W/PIN&CLIP (0.75MM) 4 * * - -
T6632726 PISTON W/PIN&CLIP (1.00MM) 4 * * - -
T6632776 RING SET (CYL) (STD) 4 * * - -
T6632777 RING SET (CYL) (0.25MM) 4 * * - -
T6632778 RING SET (CYL) (0.50MM) 4 * * - -
T6632779 RING SET (CYL) (0.75MM) 4 * * - -
T6632780 RING SET (CYL) (1.00MM) 4 * * - -
T6632759 C/S BRG STD 1 * * - -
T6632760 C/S BRG 0.25MM 1 * * - -
T6632761 C/S BRG 0.50MM 1 * * - -
T6632762 C/S BRG 0.75MM 1 * * - -
T6632763 C/R BRG STD 1 * * - -
T6632764 C/R BRG , 0.25MM 1 * * - -
T6632765 C/R BRG 0.50MM 1 * * - -
T6632766 C/R BRG 0.75MM 1 * * - -
T6652376 SPACER, CAMSHAFT 1 - - - -
T6651702 GASKET SET, COMPLETE 1 * * - -
T6647755 GASKET, HEAD 1 - - - -
T6632707 GASKET, OIL PAN 1 - - - -
T6632695 GASKET, ROCKER COVER 1 - - - -
T6632752 SEAL, FRONT 1 - - - -
T6632738 SEAL, REAR (LIP) 1 - - - -
T6632671 BOLT, CON. ROD 8 - - - -
T6632670 NUT, CON. ROD 8 - - - -
T6632767 VALVE, IN. 4 - * - -
T6632768 VALVE, EX. 4 - * - -
TIVG642B GUIDE, IN. VALVE . STD 4 - * - -
T6632657 GUIDE, IN. VALVE (0.05MM O.S.) 4 - - - -
T6632658 GUIDE, IN. VALVE (0.25MM O.S.) 4 - - - -
T6632659 GUIDE, IN. VALVE (0.50MM O.S.) 4 - - - -
TEVG642B GUIDE, EX. VALVE. STD 4 - * - -
T6632660 GUIDE, EX. VALVE (0.05MM O.S.) 4 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 12
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
742 LOADER S/N: 507423001 & ABOVE

3.027”

4
TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
T6632661 GUIDE, EX. VALVE (0.25MM O.S.) 4 - - - -
T6632662 GUIDE, EX. VALVE (0.50MM O.S.) 4 - - - -
T6632753 VALVE KEEPERS 16 - * - -
T6632860 SPRING, VALVE 8 - * - -
T6632663 RETAINER, V. SPRING 8 - * - -
T6632757 RETAINER, V. SPRING 8 - * - -
T6632664 SEAL, VALVE STEM 8 - - - -
T6632655 SEAT, IN. VALVE 0.30 4 - - - -
T6632656 SEAT, IN. VALVE 0.60 4 - - - -
T6632774 SEAT, EX. VALVE 0.30 4 - - - -
T6632775 SEAT, EX. VALVE 0.60 4 - - - -
T6632688 ROCKER ARM (FK8258 & BELOW) 8 - - - -
T6651799 ROCKER ARM (FK8259 & ABOVE) 8 - - - -
T6632729 CAMSHAFT 1 - - - -
T6632772 TIMING BELT 1 - - - -
T6632681 SPROCKET 1 - - - -
T6661683 SPROCKET 1 - - T6632853 -
T6632712 TENSIONER (FG8985 & BELOW) 1 - - - -
T6651800 TENSIONER (FG8986& ABOVE) 1 - - - -
T6632734 SPROCKET, OIL PUMP 1 - - - -
T6632822 WATER PUMP 1 - - - -
T6632714 GASKET, WATER PUMP 1 - - - -
T6632733 OIL PUMP 1 - - - -
T6632878 CAP, SEALING (BLOCK) 1 - - - -
T6632650 CAP, SEALING (BLOCK) 7 - - - -
T6632652 CAP, SEALING (HEAD) 1 - - - -
T6632877 CAP, SEALING (HEAD) 1 - - - -
T6632623 SWITCH, OIL PRESSURE 1 - - - -
T6632614 Thermostat 1 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 13
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
742B LOADER S/N: 509411001 & ABOVE

3.027”

4
TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
TEK742B-E $560.00 ENGINE KIT 1 - - - -
TBEK742B-E $392.00 BASIC ENGINE KIT 1 - - - -
T6632702 PISTON W/PIN&CLIP (STD) 4 * * - -
T6632723 PISTON W/PIN&CLIP (0.25MM) 4 * * - -
T6632724 PISTON W/PIN&CLIP (0.50MM) 4 * * - -
T6632725 PISTON W/PIN&CLIP (0.75MM) 4 * * - -
T6632726 PISTON W/PIN&CLIP (1.00MM) 4 * * - -
T6632776 RING SET (CYL) (STD) 4 * * - -
T6632777 RING SET (CYL) (0.25MM) 4 * * - -
T6632778 RING SET (CYL) (0.50MM) 4 * * - -
T6632779 RING SET (CYL) (0.75MM) 4 * * - -
T6632780 RING SET (CYL) (1.00MM) 4 * * - -
T6632759 C/S BRG STD 1 * * - -
T6632760 C/S BRG 0.25MM 1 * * - -
T6632761 C/S BRG 0.50MM 1 * * - -
T6632762 C/S BRG 0.75MM 1 * * - -
T6632763 C/R BRG STD 1 * * - -
T6632764 C/R BRG , 0.25MM 1 * * - -
T6632765 C/R BRG 0.50MM 1 * * - -
T6632766 C/R BRG 0.75MM 1 * * - -
T6652376 SPACER, CAMSHAFT 1 - - - -
T6651702 GASKET SET, COMPLETE 1 * * - -
T6647755 GASKET, HEAD 1 - - - -
T6632707 GASKET, OIL PAN 1 - - - -
T6632695 GASKET, ROCKER COVER 1 - - - -
T6632752 SEAL, FRONT 1 - - - -
T6632738 SEAL, REAR (LIP) 1 - - - -
T6632671 BOLT, CON. ROD 8 - - - -
T6632670 NUT, CON. ROD 8 - - - -
T6632767 VALVE, IN. 4 - * - -
T6632768 VALVE, EX. 4 - * - -
TIVG642B GUIDE, IN. VALVE. STD 4 - * - -
T6632657 GUIDE, IN. VALVE (0.05MM O.S.) 4 - - - -
T6632658 GUIDE, IN. VALVE (0.25MM O.S.) 4 - - - -
T6632659 GUIDE, IN. VALVE (0.50MM O.S.) 4 - - - -
TEVG642B GUIDE, EX. VALVE. STD 4 - * - -
T6632660 GUIDE, EX. VALVE (0.05MM O.S.) 4 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 14
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
742B LOADER S/N: 509411001 & ABOVE

3.027”

4
TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
T6632661 GUIDE, EX. VALVE (0.25MM O.S.) 4 - - - -
T6632662 GUIDE, EX. VALVE (0.50MM O.S.) 4 - - - -
T6632753 VALVE KEEPERS 16 - * - -
T6632860 SPRING, VALVE 8 - * - -
T6632663 RETAINER, V. SPRING 8 - * - -
T6632757 RETAINER, V. SPRING 8 - * - -
T6632664 SEAL, VALVE STEM 8 - - - -
T6632655 SEAT, IN. VALVE 0.30 4 - - - -
T6632656 SEAT, IN. VALVE 0.60 4 - - - -
T6632774 SEAT, EX. VALVE 0.30 4 - - - -
T6632775 SEAT, EX. VALVE 0.60 4 - - - -
T6651799 ROCKER ARM 8 - - - -
T6632729 CAMSHAFT 1 - - - -
T6632772 TIMING BELT 1 - - - -
T6632681 SPROCKET 1 - - - -
T6661683 SPROCKET 1 - - T6632853 -
T6651800 TENSIONER 1 - - - -
T6632734 SPROCKET, OIL PUMP 1 - - - -
T6632822 WATER PUMP 1 - - - -
T6632714 GASKET, WATER PUMP 1 - - - -
T6632733 OIL PUMP 1 - - - -
T6632878 CAP, SEALING (BLOCK) 1 - - - -
T6632650 CAP, SEALING (BLOCK) 7 - - - -
T6632652 CAP, SEALING (HEAD) 1 - - - -
T6632877 CAP, SEALING (HEAD) 1 - - - -
T6632623 SWITCH, OIL PRESSURE 1 - - - -
T6632614 Thermostat 1 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 15
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
742B LOADER S/N: 509418001 & ABOVE

3.027"

4
TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
TEK742B-L $560.00 ENGINE KIT 1 - - - -
TBEK742B-L $392.00 BASIC ENGINE KIT 1 - - - -
T6632702 PISTON W/PIN&CLIP (STD) 4 * * - -
T6632723 PISTON W/PIN&CLIP (0.25MM) 4 * * - -
T6632724 PISTON W/PIN&CLIP (0.50MM) 4 * * - -
T6632725 PISTON W/PIN&CLIP (0.75MM) 4 * * - -
T6632726 PISTON W/PIN&CLIP (1.00MM) 4 * * - -
T6632776 RING SET (CYL) (STD) 4 * * - -
T6632777 RING SET (CYL) (0.25MM) 4 * * - -
T6632778 RING SET (CYL) (0.50MM) 4 * * - -
T6632779 RING SET (CYL) (0.75MM) 4 * * - -
T6632780 RING SET (CYL) (1.00MM) 4 * * - -
T6632759 C/S BRG STD 1 * * - -
T6632760 C/S BRG 0.25MM 1 * * - -
T6632761 C/S BRG 0.50MM 1 * * - -
T6632762 C/S BRG 0.75MM 1 * * - -
T6632763 C/R BRG STD 1 * * - -
T6632764 C/R BRG , 0.25MM 1 * * - -
T6632765 C/R BRG 0.50MM 1 * * - -
T6632766 C/R BRG 0.75MM 1 * * - -
T6652376 SPACER, CAMSHAFT 1 - - - -
T6651702 GASKET SET, COMPLETE 1 * * - -
T6647755 GASKET, HEAD 1 - - - -
T6632707 GASKET, OIL PAN 1 - - - -
T6632695 GASKET, ROCKER COVER 1 - - - -
T6632752 SEAL, FRONT 1 - - - -
T6632738 SEAL, REAR (LIP) 1 - - - -
T6632671 BOLT, CON. ROD 8 - - - -
T6632670 NUT, CON. ROD 8 - - - -
T6632767 VALVE, IN. 4 - * - -
T6632768 VALVE, EX. 4 - * - -
TIVG642B GUIDE, IN. VALVE. STD 4 - * - -
T6632657 GUIDE, IN. VALVE (0.05MM O.S.) 4 - - - -
T6632658 GUIDE, IN. VALVE (0.25MM O.S.) 4 - - - -
T6632659 GUIDE, IN. VALVE (0.50MM O.S.) 4 - - - -
TEVG642B GUIDE, EX. VALVE. STD 4 - * - -
T6632660 GUIDE, EX. VALVE (0.05MM O.S.) 4 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 16
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
742B LOADER S/N: 509418001 & ABOVE

3.027"

4
TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
T6632661 GUIDE, EX. VALVE (0.25MM O.S.) 4 - - - -
T6632662 GUIDE, EX. VALVE (0.50MM O.S.) 4 - - - -
T6632753 VALVE KEEPERS 16 - * - -
T6632860 SPRING, VALVE 8 - * - -
T6632663 RETAINER, V. SPRING 8 - * - -
T6632757 RETAINER, V. SPRING 8 - * - -
T6632664 SEAL, VALVE
STEM
8 - - - -
T6632655 SEAT, IN. VALVE 0.30 4 - - - -
T6632656 SEAT, IN. VALVE 0.60 4 - - - -
T6632774 SEAT, EX. VALVE 0.30 4 - - - -
T6632775 SEAT, EX. VALVE 0.60 4 - - - -
T6651799 ROCKER ARM 8 - - - -
T6632729 CAMSHAFT 1 - - - -
T6632772 TIMING BELT 1 - - - -
T6632681 SPROCKET 1 - - - -
T6661683 SPROCKET 1 - - T6632853 -
T6651800 TENSIONER 1 - - - -
T6632734 SPROCKET, OIL PUMP 1 - - - -
T6632822 WATER PUMP 1 - - - -
T6632714 GASKET, WATER PUMP 1 - - - -
T6632733 OIL PUMP 1 - - - -
T6632878 CAP, SEALING (BLOCK) 1 - - - -
T6632650 CAP, SEALING (BLOCK) 7 - - - -
T6632652 CAP, SEALING (HEAD) 1 - - - -
T6632877 CAP, SEALING (HEAD) 1 - - - -
T6632623 SWITCH, OIL PRESSURE 1 - - - -
T6632614 Thermostat 1 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 17
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
743 LOADER S/N: 501911001 & ABOVE

82MM

4
TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
TEK743 $1,596.00 ENGINE KIT 1 - - - -
TBEK743 $1,288.00 BASIC ENGINE KIT 1 - - - -
T6598762A PISTON W/ PIN & CLIP (STD) 4 * * - -
T6599914A PISTON W/ PIN & CLIP (0.5MM) 4 * * - -
T6598762 PISTON (STD) 4 - - - -
T6599914 PISTON (0.5MM) 4 - - - -
T6598110 RING SET (CYL) (STD) 4 * * - -
T6599913 RING SET (CYL) (0.50MM) 4 * * - -
T3974937 PIN, PISTON 4 - - - -
T3974561 CIR-CLIP, PISTON 8 - - - -
T6598109 LINER 4 * * - -
T6655185 C/S BRG STD (PC) 1 * * T3974578 -
T6655186 C/S BRG STD (PAIR) 4 * * T3974579 -
T3975017 C/S BRG 0.20MM (PC) 1 * * T6655238 -
T3975019 C/S BRG 0.20MM (PAIR) 4 * * T6655240 -
T6655239 C/S BRG 0.40MM (PC) 1 * * T3975018 -
T3975020 C/S BRG 0.40MM (PAIR) 4 * * T6655241 -
T6598699 C/R BRG STD (PAIR) 4 * * T3974567 -
T3975025 C/R BRG, 0.20MM (PAIR) 4 * * T6599918 -
T3975026 C/R BRG, 0.40MM (PAIR) 4 * * T6599919 -
T3974945 THRUST WASHERS STD 2 * * - -
T6653865 THRUST WASHERS STD 2 * * - -
T3975021 THRUST WASHERS 0.20MM 2 * * T6654715 -
T3975023 THRUST WASHERS 0.20MM 2 * * T6654002 -
T3975022 THRUST WASHERS 0.40MM 2 * * T6599915 -
T3975024 THRUST WASHERS 0.40MM 2 * * T6654003 -
T3974939 BUSH, ROD 4 * * - -
T6630554 GASKET SET, UPPER 1 * * - -
T6630555 GASKET SET, LOWER 1 * * - -
T6656333 GASKET, HEAD 1 - - - -
T6598126 SHIM,  HEAD 1 - - - -
T6655474 GASKET, OIL PAN (USE W/TWO PCS OIL PAN) 1 - - T3974407 -
T6666817 GASKET, OIL PAN (USE W/ONE PC OIL PAN) 1 - - - -
T6598136 GASKET, ROCKER COVER 1 - - - -
T6631664 SEAL, FRONT 1 - - - -
T3974477 SEAL, REAR (LIP) (E/2202 & BELOW) 1 - - - -
T6649300 SEAL, REAR (LIP) (E/2202 & ABOVE) 1 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 18
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
743 LOADER S/N: 501911001 & ABOVE

82MM

4
TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
T6653859 SLEEVE, REPAIR (E/2203 & ABOVE) 1 - - T3975334 -
T6655498 BOLT, CON. ROD 8 - - - -
T6653828 VALVE, IN. 4 - * - -
T6653829 VALVE, EX. 4 - * - -
T6655154 GUIDE, IN. VALVE 4 - * T6653802 -
T6653803 GUIDE, EX. VALVE 4 - * T6653587 -
T3974516 VALVE KEEPERS 16 - * - -
T3974514 SPRING, VALVE 8 - * - -
T3974515 RETAINER, V. SPRING 8 - * - -
T3974518 CAP, VALVE 8 - * - -
T6653830 SEAL, VALVE STEM 8 - - - -
T6667428 TAPPET 8 - - T3974540 -
T3974541 PUSH ROD 8 - - - -
T6655870 ROCKER ARM ASS'Y 8 - - T6598171 -
T6598117 CHAMBER, Combustion 4 - - - -
T6655496 CAMSHAFT 1 - - T6598139 -
T6653941 WATER PUMP 1 - - - -
T6666804 GASKET, WATER PUMP 1 - - T3974995 -
T3974456 GASKET, OIL PUMP 1 - - - -
T3975426 OIL PUMP 1 - - - -
T3974389 CAP, SEALING (BLOCK) 6 - - - -
T3974390 CAP, SEALING (BLOCK) 2 - - - -
T4FM-18 CAP, SEALING (BLOCK) 3 - - - -
T4FM-45 CAP, SEALING (BLOCK) 1 - - - -
T3974432 CAP, SEALING (HEAD) 12 - - - -
T3974433 CAP, SEALING (HEAD) 1 - - - -
T3918235 Thermostat 1 - - - -
T3974953 GLOW PLUG 4 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 19
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
743B LOADER S/N: 509311001 & ABOVE

82MM

4
TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
TEK743B-E $0.00 ENGINE KIT 1 - - - -
TBEK743B-E $1,288.00 BASIC ENGINE KIT 1 - - - -
T6598762A PISTON W/ PIN & CLIP (STD) 4 * * - -
T6599914A PISTON W/ PIN & CLIP (0.5MM) 4 * * - -
T6598762 PISTON (STD) 4 - - - -
T6599914 PISTON (0.5MM) 4 - - - -
T6598110 RING SET (CYL) (STD) 4 * * - -
T6599913 RING SET (CYL) (0.50MM) 4 * * - -
T3974937 PIN, PISTON 4 - - - -
T3974561 CIR-CLIP, PISTON 8 - - - -
T6598109 LINER 4 * * - -
T6655185 C/S BRG STD (PC) 1 * * - -
T6655186 C/S BRG STD (PAIR) 4 * * T3974579 -
T3975017 C/S BRG 0.20MM (PC) 1 * * - -
T3975019 C/S BRG 0.20MM (PAIR) 4 * * - -
T6655239 C/S BRG 0.40MM (PC) 1 * * - -
T3975020 C/S BRG 0.40MM (PAIR) 4 * * - -
T6598699 C/R BRG STD (PAIR) 4 * * T3974567 -
T3975025 C/R BRG, 0.20MM (PAIR) 4 * * - -
T3975026 C/R BRG, 0.40MM (PAIR) 4 * * - -
T3974945 THRUST WASHERS STD 2 * * - -
T6653865 THRUST WASHERS STD 2 * * - -
T3975021 THRUST WASHERS 0.20MM 2 * * - -
T3975023 THRUST WASHERS 0.20MM 2 * * - -
T3975022 THRUST WASHERS 0.40MM 2 * * - -
T3975024 THRUST WASHERS 0.40MM 2 * * - -
T3974939 BUSH, ROD 4 * * - -
T6630554 GASKET SET, UPPER 1 * * - -
T6630555 GASKET SET, LOWER 1 *  * - -
T6656333 GASKET, HEAD 1 - - T6598125 -
T6598126 SHIM,  HEAD 1 - - - -
T6655474 GASKET, OIL PAN (USE W/TWO PCS OIL PAN) 1 - - T3974407 -
T6640727 GASKET, OIL PAN (USE W/ONE PC OIL PAN) 1 - - - -
T6598136 GASKET, ROCKER COVER 1 - - - -
T6631664 SEAL, FRONT 1 - - - -
T6649300 SEAL, REAR (LIP) 1 - - - -
T3975334 SLEEVE, REPAIR 1 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 20
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
743B LOADER S/N: 509311001 & ABOVE

82MM

4
TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
T6655498 BOLT, CON. ROD 8 - - - -
T6653828 VALVE, IN. 4 - * T3974512 -
T6653829 VALVE, EX. 4 - * T3974513 -
T6655154 GUIDE, IN. VALVE 4 - * T6653802 -
T6653803 GUIDE, EX. VALVE 4 - * T6653587 -
T3974516 VALVE KEEPERS 16 - * - -
T3974514 SPRING, VALVE 8 - * - -
T3974515 RETAINER, V. SPRING 8 - * - -
T3974518 CAP, VALVE 8 -  * - -
T6653830 SEAL, VALVE STEM 8 - - - -
T6667428 TAPPET 8 - - T3974540 -
T3974541 PUSH ROD 8 - - - -
T6598171 ROCKER ARM ASS'Y 1 - - - -
T6598117 CHAMBER, Combustion 4 - - - -
T6655496 CAMSHAFT 1 - - T6598139 -
T6653941 WATER PUMP 1 - - T3974989 -
T6666804 GASKET, WATER PUMP 1 - - T3974995 -
T3974456 GASKET, OIL PUMP 1 - - - -
T3975426 OIL PUMP 1 - - - -
T3974389 CAP, SEALING (BLOCK) 6 - - - -
T3974390 CAP, SEALING (BLOCK) 2 - - - -
T4FM-18 CAP, SEALING (BLOCK) 3 - - - -
T4FM-45 CAP, SEALING (BLOCK) 1 - - - -
T3974432 CAP, SEALING (HEAD) 12 - - - -
T3974433 CAP, SEALING (HEAD) 1 - - - -
T3918235 Thermostat 1 - - - -
T3974953 GLOW PLUG 4 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 21
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
743B LOADER S/N: 18001 & ABOVE

82MM

4
TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
TEK743B-L $1,596.00 ENGINE KIT 1 - - - -
TBEK743B-L $1,288.00 BASIC ENGINE KIT 1 - - - -
T6598762A PISTON W/PIN & CLIP (STD) 4 * * - -
T6599914A PISTON W/ PIN & CLIP (0.5MM) 4 * * - -
T6598762 PISTON (STD) 4 - - - -
T6599914 PISTON (0.5MM) 4 - - - -
T6598110 RING SET (CYL) (STD) 4 * * - -
T6599913 RING SET (CYL) (0.50MM) 4 * * - -
T3974937 PIN, PISTON 4 - - - -
T3974561 CIR-CLIP, PISTON 8 - - - -
T6598109 LINER 4 * * - -
T6655185 C/S BRG STD (PC) 1 * * T3974578 -
T6655186 C/S BRG STD (PAIR) 4 * * T3974579 -
T3975017 C/S BRG 0.20MM (PC) 1 * * - -
T3975019 C/S BRG 0.20MM (PAIR) 4 * * - -
T6655239 C/S BRG 0.40MM (PC) 1 * * T3975018 -
T3975020 C/S BRG 0.40MM (PAIR) 4 * * - -
T6598699 C/R BRG STD (PAIR) 4 * * T3974567 -
T3975025 C/R BRG, 0.20MM (PAIR) 4 * * - -
T3975026 C/R BRG, 0.40MM (PAIR) 4 * * - -
T3974945 THRUST WASHERS STD 2 * * - -
T6653865 THRUST WASHERS STD 2 * * - -
T3975021 THRUST WASHERS 0.20MM 2 * * - -
T3975023 THRUST WASHERS 0.20MM 2 * * - -
T3975022 THRUST WASHERS 0.40MM 2 * * - -
T3975024 THRUST WASHERS 0.40MM 2 * * - -
T3974939 BUSH, ROD 4 * * - -
T6630554 GASKET SET, UPPER 1 * * - -
T6630555 GASKET SET, LOWER 1 * * - -
T6656333 GASKET, HEAD 1 - - - -
T6598126 SHIM,  HEAD 1 - - - -
T6655474 GASKET, OIL PAN (USE W/TWO PCS OIL PAN) 1 - - T3974407 -
T6640727 GASKET, OIL PAN (USE W/ONE PC OIL PAN) 1 - - - -
T6598136 GASKET, ROCKER COVER 1 - - - -
T6631664 SEAL, FRONT 1 - - - -
T6649300 SEAL, REAR (LIP) 1 - - - -
T6653859 SLEEVE, REPAIR 1 - - T3975334 -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 22
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
743B LOADER S/N: 18001 & ABOVE

82MM

4
TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
T6655498 BOLT, CON. ROD 8 - - - -
T6653828 VALVE, IN. 4 - * - -
T6653829 VALVE, EX. 4 - * - -
T6655154 GUIDE, IN. VALVE 4 - * T6653802 -
T6653803 GUIDE, EX. VALVE 4 - * T6653587 -
T3974516 VALVE KEEPERS 16 - * - -
T3974514 SPRING, VALVE 8 - * - -
T3974515 RETAINER, V. SPRING 8 - * - -
T3974518 CAP, VALVE 8 -  * - -
T6653830 SEAL, VALVE STEM 8 - - - -
T6667428 TAPPET 8 - - T3974540 -
T3974541 PUSH ROD 8 - - - -
T3975438 ROCKER ARM ASS'Y 1 - - T6598171 -
T6598117 CHAMBER, Combustion 4 - - - -
T6655496 CAMSHAFT 1 - - T6598139 -
T6653941 WATER PUMP 1 - - T3974989 -
T6666804 GASKET, WATER PUMP 1 - - T3974995 -
T3974456 GASKET, OIL PUMP 1 - - - -
T3975426 OIL PUMP 1 - - - -
T3974389 CAP, SEALING (BLOCK) 6 - - - -
T3974390 CAP, SEALING (BLOCK) 2 - - - -
T4FM-18 CAP, SEALING (BLOCK) 3 - - - -
T4FM-45 CAP, SEALING (BLOCK) 1 - - - -
T3974432 CAP, SEALING (HEAD) 12 - - - -
T3974433 CAP, SEALING (HEAD) 1 - - - -
T3918235 Thermostat 1 - - - -
T3974953 GLOW PLUG 4 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 23
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
751(751F) LOADER S/N: 515711001 & ABOVE DOMESTIC

80MM

4
751(751F) LOADER S/N: 515611001 & ABOVE EXPORT

TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
TEK751 $1,288.00 ENGINE KIT 1 - - - -
TBEK751 $1,092.00 BASIC ENGINE KIT 1 - - - -
T6672142A PISTON W/ PIN & CLIP (STD) 4 * * - -
T6674255A PISTON W/ PIN & CLIP (0.5MM) 4 * * - -
T6672142 PISTON (STD) 4 - - - -
T6674255 PISTON (0.5MM) 4 - - - -
T6672141 RING SET (CYL) (STD) 4 * * - -
T6674256 RING SET (CYL) (0.50MM) 4 * * - -
T6655179 PIN, PISTON 4 - - - -
T6655180 CIR-CLIP, PISTON 8 - - - -
T6655185 C/S BRG STD (PC) 1 * * - -
T6655186 C/S BRG SET, STD (PAIR) 4 * * - -
T6655238 C/S BRG 0.20MM (PC) 1 * * - -
T6655240 C/S BRG SET, 0.20MM (PAIR) 4 * * - -
T6655239 C/S BRG 0.40MM (PC) 1 * * - -
T6655241 C/S BRG SET, 0.40MM (PAIR) 4 * * - -
T6655183 C/R BRG SET, STD (PAIR) 4 * * - -
T6655236 C/R BRG SET , 0.20MM (PAIR) 4 * * - -
T6655237 C/R BRG SET, 0.40MM (PAIR) 4 * * - -
T3974945 THRUST WASHERS STD (PC) 2 * * - -
T6653865 THRUST WASHERS STD (PC) 2 * * - -
T3975021 THRUST WASHERS 0.20MM (PC) 2 * * - -
T6654002 THRUST WASHERS 0.20MM (PC) 2 * * - -
T3975022 THRUST WASHERS 0.40MM (PC) 2 * * - -
T6654003 THRUST WASHERS 0.40MM (PC) 2 * * - -
T6655243 BUSH, ROD (PC) 4 * * - -
T6674698 GASKET SET, UPPER 1 * * - -
T6657402 GASKET SET, LOWER 1 * * - -
T6672144 GASKET, HEAD 1 - - - -
T6655151 GASKET, OIL PAN 1 - - - -
T3974095 GASKET, ROCKER COVER 1 - - - -
T6631664 SEAL, FRONT 1 - - - -
T6649300 SEAL, REAR (LIP) 1 - - - -
T6653859 SLEEVE, REPAIR 1 - - T3975334 -
T6655498 BOLT, CON. ROD 8 - - - -
T6655173 VALVE, IN. 4 - * - -
T6655174 VALVE, EX. 4 - * - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 24
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
751(751F) LOADER S/N: 515711001 & ABOVE DOMESTIC

80MM

4
751(751F) LOADER S/N: 515611001 & ABOVE EXPORT
TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
T6655154 GUIDE, IN. VALVE 4 - * - -
T6653803 GUIDE, EX. VALVE 4 - * - -
T3974516 VALVE KEEPERS 16 - * - -
T3974514 SPRING, VALVE 8 - * - -
T3974515 RETAINER, V. SPRING 8 - * - -
T3974518 CAP, VALVE 8 - * - -
T6653830 SEAL, VALVE STEM 8 - - - -
T6655155 SEAT, IN. VALVE 4 - - - -
T6655156 SEAT, EX. VALVE 4 - - - -
T6667428 TAPPET 8 - - - -
T6655176 PUSH ROD 8 - - - -
T6655870 ROCKER ARM ASS'Y 8 - - - -
T6672140 CHAMBER, Combustion 4 - - - -
T6655384 CAMSHAFT 1 - - - -
T6653941 WATER PUMP 1 - - - -
T6666804 GASKET, WATER PUMP 1 - - T3974995 -
T6666782 GASKET, OIL PUMP 1 - - - -
T3975426 OIL PUMP 1 - - - -
T3974389 CAP, SEALING (BLOCK) 6 - - - -
T3974390 CAP, SEALING (BLOCK) 2 - - - -
T4FM-18 CAP, SEALING (BLOCK) 3 - - - -
T4FM-45 CAP, SEALING (BLOCK) 1 - - - -
T3974432 CAP, SEALING (HEAD) 12 - - - -
T3974433 CAP, SEALING (HEAD) 1 - - - -
T6674172 Thermostat (230 F) 1 - - T6653948 -
T6630184 Thermostat (203 F) 1 - - - -
T6655233 GLOW PLUG 4 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 25
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
751G LOADER S/N: 515730001 & ABOVE DOMESTIC

80MM

4
751G LOADER S/N: 515620001 & ABOVE EXPORT
TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
TEK751G $1,435.00 ENGINE KIT 1 - - - -
TBEK751G $1,092.00 BASIC ENGINE KIT 1 - - - -
T6672142A PISTON W/ PIN & CLIP (STD) 4 * * - -
T6674255A PISTON W/ PIN & CLIP (0.5MM) 4 * * - -
T6672142 PISTON (STD) 4 - - - -
T6674255 PISTON (0.5MM) 4 - - - -
T6672141 RING SET (CYL) (STD) 4 * * - -
T6674256 RING SET (CYL) (0.50MM) 4 * * - -
T6655179 PIN, PISTON 4 - - - -
T6655180 CIR-CLIP, PISTON 8 - - - -
T6655185 C/S BRG STD (PC) 1 * * - -
T6655186 C/S BRG SET, STD (PAIR) 4 * * - -
T6655238 C/S BRG 0.20MM (PC) 1 * * - -
T6655240 C/S BRG SET, 0.20MM (PAIR) 4 * * - -
T6655239 C/S BRG 0.40MM (PC) 1 * * - -
T6655241 C/S BRG SET, 0.40MM (PAIR) 4 * * - -
T6655183 C/R BRG SET, STD (PAIR) 4 * * - -
T6655236 C/R BRG SET , 0.20MM (PAIR) 4 * * - -
T6655237 C/R BRG SET, 0.40MM (PAIR) 4 * * - -
T3974945 THRUST WASHERS STD (PC) 2 * * - -
T6653865 THRUST WASHERS STD (PC) 2 * * - -
T3975021 THRUST WASHERS 0.20MM (PC) 2 * * - -
T6654002 THRUST WASHERS 0.20MM (PC) 2 * * - -
T3975022 THRUST WASHERS 0.40MM (PC) 2 * * - -
T6654003 THRUST WASHERS 0.40MM (PC) 2 * * - -
T6655243 BUSH, ROD (PC) 4 * * - -
T6674698 GASKET SET, UPPER 1 * * - -
T6657402 GASKET SET, LOWER 1 * * - -
T6672144 GASKET, HEAD 1 - - - -
T6655151 GASKET, OIL PAN 1 - - - -
T3974095 GASKET, ROCKER COVER 1 - - - -
T6631664 SEAL, FRONT 1 - - - -
T6649300 SEAL, REAR (LIP) 1 - - - -
T6653859 SLEEVE, REPAIR 1 - - - -
T6655498 BOLT, CON. ROD 8 - - - -
T6655173 VALVE, IN. 4 - * - -
T6655174 VALVE, EX. 4 - * - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

Page 26
TRAC-PRO®    

THE TRACTOR PROFESSIONALS CHOICE

BOBCAT®
MODEL Serial No. BORE CYL.
751G LOADER S/N: 515730001 & ABOVE DOMESTIC

80MM

4
751G LOADER S/N: 515620001 & ABOVE EXPORT

TRAC-PRO® NUMBER Desc. QTY BEK EK REF # NOTE
T6655154 GUIDE, IN. VALVE 4 - * - -
T6653803 GUIDE, EX. VALVE 4 - * - -
T3974516 VALVE KEEPERS 16 - * - -
T3974514 SPRING, VALVE 8 - * - -
T3974515 RETAINER, V. SPRING 8 - * - -
T3974518 CAP, VALVE 8 - * - -
T6653830 SEAL, VALVE STEM 8 - - - -
T6655155 SEAT, IN. VALVE 4 - - - -
T6655156 SEAT, EX. VALVE 4 - - - -
T6667428 TAPPET 8 - - - -
T6655176 PUSH ROD 8 - - - -
T6655870 ROCKER ARM ASS'Y 8 - - - -
T6672140 CHAMBER, Combustion 4 - - - -
T6655384 CAMSHAFT 1 - - - -
T6653941 WATER PUMP 1 - - - -
T6666804 GASKET, WATER PUMP 1 - - - -
T6666782 GASKET, OIL PUMP 1 - - - -
T3975426 OIL PUMP 1 - - - -
T3974389 CAP, SEALING (BLOCK) 6 - - - -
T3974390 CAP, SEALING (BLOCK) 2 - - - -
T4FM-18 CAP, SEALING (BLOCK) 3 - - - -
T4FM-45 CAP, SEALING (BLOCK) 1 - - - -
T3974432 CAP, SEALING (HEAD) 12 - - - -
T3974433 CAP, SEALING (HEAD) 1 - - - -
T6674172 Thermostat (230 F) 1 - - - -
T6630184 Thermostat (203 F) 1 - - - -
T6655233 GLOW PLUG 4 - - - -

* Invluded in Kits.
All other company, brand, product, and service names are used herein for identification purposes only and may be the trademarks, service marks, or trade names of their respective owners. There is no affiliation or sponsorship between these other companies and TRAC-PRO® unless expressly stated

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