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BEARING-MAIN 3178766 - Caterpillar


3178766 BEARING-MAIN Caterpillar parts 16G, 16H NA, 24H, 24M, 3406, 3406B, 3406C, 3406E, 3408, 3408B, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, 3456, 365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C FS, 385C L, 385C L M...
Rating:
127
Alternative (cross code) number:
CA3178766
317-8766
3178766
Caterpillar 3178766 BEARING-MAIN
Weight: 1 pounds 0 kg.

Buy BEARING-MAIN 3178766 Caterpillar genuine, new aftermarket tractor parts with delivery
ARTICULATED TRUCK, WHEEL TRACTOR,

Related part:
3178766  BEARING-MAIN-YM  4196368  CL

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$79.65

08 Oct 2025

US: WITHOUTHAMHEP
Replacement for fits 3178766 Bearing-Main Fits Caterpillar 4W5492 735 740 D350E D400E MT835 MT845 C18
wujiapi Replacement for fits 3178766 Bearing-Main Fits Caterpillar 4W5492 735 740 D350E D400E MT835 MT845 C18 || Guaranteed Compatibility - parts fit and function exactly like the original components, ensuring a perfect match || 6 Month Warranty || Condition:New || Kindly provide us with your Appliance Model Number and we will check if it's the right part you need. If not, we will sell you the correct one.
$79.65

08 Oct 2025

US: WITHOUTHAMHEP
Replacement for fits Fits Caterpillar BEARING-MAIN 3178766 NEW
wujiapi Replacement for fits Fits Caterpillar BEARING-MAIN 3178766 NEW || Guaranteed Compatibility - parts fit and function exactly like the original components, ensuring a perfect match || 6 Month Warranty || Condition:New || Kindly provide us with your Appliance Model Number and we will check if it's the right part you need. If not, we will sell you the correct one.
$31.88

29 Aug 2025

US: KMP BRAND
317-8766 BEARING PAIR, MAIN - STD Suitable For Caterpillar® 3178766
KMP BRAND Suitable for Caterpillar
Number on catalog scheme: 1
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Compatible equipment models: 3178766:

ARTICULATED TRUCK  735   735B   740   740B   D350E   D400E  
CHALLENGER  MTC835  
EJECTOR TRUCK  740   740B   D400E II  
FRONT SHOVEL  385C   5080   5090B  
LANDFILL COMPACTOR  826C   826G   826G II   826H   826K   836   836G   836H   836K  
LOAD HAUL DUMP  R2900G   R3000H  
MARINE AUXILIARY  C32  
MINING EXCAVATOR  5110B  
MOBILE HYD POWER UNIT  365C L   385C   385C L  
MOTOR GRADER  16G   16H NA   24H   24M  
PETROLEUM ENGINE  3412E   C-15   C15   C18   C27   C32  
PETROLEUM GEN SET  C15   C18   C27   C32  
PETROLEUM TRANSMISSION  TH48-E70  
POWER MODULE  C32   PM3412   PM3456  
QUARRY TRUCK  771C   771D   775B   775D  
RECLAIMER MIXER  RM-250C   RM-350B   RM-500  
ROAD RECLAIMER  RM-350B   RR-250   RR-250B  
SOIL COMPACTOR  825G   825G II   825H   825K  
SOIL STABILIZER  SS-250  
STABILIZER MIXER  SM-350  
UNDERGROUND ART TRUCK  AD30   AD45B   AD55   AD55B   AD60  
WHEEL SCRAPER  623E   623F   627E   631G   657B   657E   657G  

Information:

Adjustto conform and correspond to specifications.Checkto observe for satisfactory conditions, accuracy, safety or performance.Exchangeto trade a worn or failing component for a remanufactured or rebuilt component.Inspectto examine closely, in critical appraisal, while testing or evaluating components or systems.Inspect/Rebuilt or Exchangeto examine closely; then making the decision on repair option (Rebuild or Exchange).Lubricateto apply a lubricant (oil, grease, etc.) as specified for reducing friction, heat and wear between solid surfaces.Protective Devicesindicators such as gauges, lights, emergency shutoffs, etc., that alert an operator that a potential problem may exist. Failure to respond to these indicators in a timely manner could result in serious engine damage.Rebuildto repair a worn or failing component with new parts, components and/or remanufactured components.Replaceto install something new, remanufactured or rebuilt in place of an existing worn or failing component.Service Hours (Electrical)records the time (clock hours) the engine is actually running but does not reflect variations in speed, load, etc. The Maintenance Schedule is developed for calendar time or distance intervals. However, Caterpillar recommends that fuel consumption be used as the preferred method of establishing intervals rather than time or distance.Maintenance Intervals
The Maintenance Schedule requires all previous interval maintenance items to be performed first. For instance, if the Every Three Month maintenance is being done, then the Every Week and Daily maintenance items must be completed BEFORE performing the Every Three Month maintenance.Engines may be equipped with various optional components and the charts may recommend maintenance for items not installed on your engine. Simply disregard reference to any extraneous items. If unsure of any item, consult your Caterpillar dealer.Top End Interval
This interval is labeled TOP END because it involves removal, inspection and rework of the cylinder head components. This interval is dependent on load-sensitive items/total amount of fuel consumed.Overhaul Interval
The last interval in each chart lists the components inspected, rebuilt, exchanged or replaced at overhaul. OVERHAUL is defined as the interval at which the major wear items in the engine should be replaced. The Overhaul interval represents overhaul of a non-failed engine. In other words, the engine is being rebuilt with certain new parts replacing worn parts such as piston rings, engine rod and main bearings, valves and valve seats., etc.Incidental to the replacement of these relatively few parts is the complete inspection of all other parts that are visible during the overhaul of the engine. The disassembly required to do an overhaul means that disturbed seals and gaskets, etc., will be replaced, and the internal passages of the engine and block be cleaned.* The TOP END and OVERHAUL intervals assume that regular maintenance recommendations in the rest of the chart have been carefully followed.* Some users may obtain significantly longer or shorter life than the chart recommends between overhauls, but if the recommended intervals are followed, OVERHAULS will occur BEFORE actual FAILURE, and the total COST of operation will be minimized.Although most users will obtain more life between overhauls than the chart recommends, Caterpillar has determined that these limits are the best (least cost) for

Cat SIS web machinery list:

Caterpillar parts catalog
C18 Marine Generator Set SSM00001-UP
C18 Marine Generator Set SSW00001-UP
3412 Generator Set DK600001-UP
3412 Generator Set XJ500001-UP
XQ570 Retail Power Module X5F00001-UP POWERED BY C18
C15 Generator Set NR600001-UP
C18 Generator Set NR700001-UP
C32 Locomotive Engine WJD00001-UP
XQP500 Generator Set XP500001-UP POWERED BY C15
XQP500 Rental Generator Set XP800001-UP POWERED BY C15
C32 Generator Set FLX00001-UP
C27 Generator Set 2A300001-UP
C32 Locomotive Engine WJE00001-UP
C32 Rental Generator Set Engine Only AL600001-UP
C32 Marine Engine ZP300001-UP
C32 Marine Engine ZP200001-UP
C32 Marine Engine AX300001-UP
C32 Marine Engine AX200001-UP
C32 Marine Generator Set GM200001-UP
C32 Marine Generator Set GM300001-UP
C32 Marine Engine PWT00001-UP
C32 Marine Generator Set MG400001-UP
C32 Generator Set JTW00001-UP
C15 I6 Generator Set T3300001-UP
C13 Generator Set T3200001-UP
XQP1100 Power System JK400001-UP POWERED BY C32 Engine
CX38-P892-C18I Petroleum Power Train Package A3X00001-UP POWERED BY C18 Industrial Engine
XQ500 Power System GG500001-UP POWERED BY C15 Engine
390F L Excavator HNG00001-UP (MACHINE) POWERED BY C18 Engine
C18 Generator Set C2M00001-UP
C15 Generator Set C2F00001-UP
C18 Generator Set BG400001-UP
C32 Generator Set PAE00001-UP
PM620 Cold Planer 8RF00001-UP POWERED BY C18 Engine
C32 Generator Set for LRC NRC00001-UP
C15 Generator Set NSR00001-UP
C18 Generator Set AN200001-UP
TH48-E70-C27I Petroleum Power Train Package AT400001-UP POWERED BY C27 Industrial Engine
3412B Marine Engine 60M00001-05160
G3408 Engine 6NB00001-UP
3408B Generator Set 78Z01144-04866
3408B Marine Engine 99U04604-07598
G3412 Engine 7DB00001-UP
3408/3408B Truck Engine 28V04750-UP
3408B Industrial Engine 67U11092-UP
3406B Truck (PEEC) Engine 8TC01413-UP
G3406 Industrial Engine Natural Gas 4FD00001-UP
3406B Generator Set 4RG00001-01501
3406 Industrial Engine 90U19731-UP
3412 Industrial Engine 9XF00001-UP
G3406 Engine 1RK00001-UP
3406B Truck Engine(PEEC) 5YG00001-UP
3406B Truck Engine 5KJ00001-07799
3406B Truck Engine(PEEC) 2EK00001-UP
3406B Truck Engine 3ZJ00001-16181
G3412 ENGINE 3NK00001-UP
G3408 Low Emission Engine 6RJ00001-UP
3406B Generator Set Engine 4JK00001-00098
3406C Truck Engine 3ZJ16182-60112
3408B High Performance Marine Engine 8RG00001-00107
3412B Marine Engine 3JK00001-00145
3406C Truck Engine 5KJ07800-UP
3406E Truck Engine 5EK00001-01820
3412 Marine Engine 7BL00001-UP
3412 Generator Set Engine 2WJ00001-UP
G3412 Engine 6ZM00001-UP
3408C Industrial Engine 9XM00001-UP
3406C Truck Engine 3ZJ60113-UP
3406E Truck Engine 5EK01821-UP
3412 Generator Set 81Z05000-14500
3406E Industrial Engine 6BR00001-UP
3406C Industrial Engine 3ER00001-UP
3408C Industrial Engine 9ER00001-UP
3412C Industrial Engine 8AR00001-UP
G3408 Industrial/Generator Set Engine 8YR00001-UP
G3412C Generator Set Engine 9RR00001-UP
3408E Industrial Engine 7PR00001-UP
3412E Industrial Engine 4CR00001-UP
PR-1000C Cold Planer 5XC00138-UP (MACHINE) POWERED BY 3208 Engine
PR-450C Cold Planer 7PJ00001-UP (MACHINE) POWERED BY 3408 Engine
PM-565 Cold Planer 3TK00001-00112 (MACHINE) POWERED BY 3408 Engine
RM-350, SM-350 Reclaimer, Stabilizer Mixer 1RM00001-00059 (MACHINE) POWERED BY 3406C Engine
RR-250 Road Reclaimer 6ED00363-00440 (MACHINE) POWERED BY 3054 Engine
SS-250 Soil Stabilizer 6DD00324-00389 (MACHINE) POWERED BY 3406 Engine
SS-250B Soil Stabilizer RR-250B Road Reclaimer 3RR00001-UP (MACHINE) POWERED BY 3406C Engine
PM-565 Cold Planer 3TK00113-UP (MACHINE) POWERED BY 3408 Engine
RM-350 SM-350 Reclaimer, Stabilizer Mixer 1RM00060-UP (MACHINE) POWERED BY 3406C Engine
PM-465 Cold Planer 5ZS00001-UP (MACHINE) POWERED BY 3406 Engine
RM-250C Reclaimer Mixer AWG00001-UP (MACHINE) POWERED BY 3406C Engine
RM-350B Reclaimer Mixer AXW00001-UP (MACHINE) POWERED BY 3406C Engine
RM-500 Reclaimer Mixer ASW00001-UP (MACHINE) POWERED BY C15 Engine
PM-201 Cold Planer PNM00001-UP (MACHINE) POWERED BY C18 Engine
PM-200 Cold Planer P1C00001-UP (MACHINE) POWERED BY C18 Engine
C-18 Caterpillar Engine For PM200 Cold Planer P1M00001-UP (MACHINE) POWERED BY C-18 Engine
PM-565B Cold Planer 8GS00001-UP (MACHINE) POWERED BY 3408C Engine
RM-350B Reclaimer Mixer 7FS00001-UP (MACHINE) POWERED BY 3406C Engine
RM500B Rotary Mixer MB900001-UP (MACHINE) POWERED BY C15 Engine
PM622 Cold Planer JFC00001-UP (MACHINE) POWERED BY C18 Engine
PM620 Cold Planer JB900001-UP (MACHINE) POWERED BY C18 Engine
R2900G Load Haul Dump NLK00001-UP (MACHINE) POWERED BY C15 Engine
777E Off-Highway Truck KDP00001-UP (MACHINE) POWERED BY C32 Engine
R3000H Load Haul Dump RCY00001-UP (MACHINE) POWERED BY C15 Engine
773E Off-Highway Truck PRB00001-UP (MACHINE) POWERED BY 3412E Engine
773E Off-Highway Truck DJS00001-UP (MACHINE) POWERED BY 3412E Engine
MH3295 Material Handler PA900001-UP (MACHINE) POWERED BY C18 Engine
PM622 Cold Planer JCF00001-UP (MACHINE) POWERED BY C18 Engine
PM620 Cold Planer LH900001-UP (MACHINE) POWERED BY C18 Engine
C32 Engine Emissions Retrofit Repower FKR00001-UP (MACHINE) POWERED BY Tier II for 777D Truck FKR00001-UP (MACHINE)
745 Articulated Truck 3T600001-UP (MACHINE) POWERED BY C18 Engine
740EJ Articulated Truck 3T700001-UP (MACHINE) POWERED BY C18 Engine
745 Articulated Truck 3F600001-UP (MACHINE) POWERED BY C18 Engine
740 EJ Articulated Truck 3F700001-UP (MACHINE) POWERED BY C18 Engine
777E Off-Highway Truck KDZ00001-UP (MACHINE) POWERED BY C32 Engine
PM822 Cold Planer SL800001-UP (MACHINE) POWERED BY C18 Engine
PM820 Cold Planer TLZ00001-UP (MACHINE) POWERED BY C18 Engine
PM825 Cold Planer ESE00001-UP (MACHINE) POWERED BY C18 Engine
740 Articulated Truck 3T800001-UP (MACHINE) POWERED BY C15 Engine
740 Articulated Truck 3F800001-UP (MACHINE) POWERED BY C15 Engine
XQ570 Power System ME500001-UP POWERED BY C18 Engine
836K Landfill Compactor T6X00001-UP (MACHINE) POWERED BY C27 Engine
990K Wheel Loader L6Z00001-UP (MACHINE) POWERED BY C27 Engine
C18 Generator Set T3500001-UP
C18 Generator Set T3400001-UP
824K Wheel Dozer 2T200001-UP (MACHINE) POWERED BY C15 Engine
824K Wheel Dozer 2L400001-UP (MACHINE) POWERED BY C15 Engine
24 Motor Grader N9Z00001-UP (MACHINE) POWERED BY C27 Engine
24 Motor Grader E9Z00001-UP (MACHINE) POWERED BY C27 Engine
770G Off-Highway Truck KD200001-UP (MACHINE) POWERED BY C15 Engine
772G Off-Highway Truck KE300001-UP (MACHINE) POWERED BY C18 Engine
986K Wheel Loader NL800001-UP (MACHINE) POWERED BY C15 Engine
MD6200 Rotary Drill RKP00001-UP (MACHINE) POWERED BY C18 Engine
MD6200 Rotary Drill D9A00001-UP (MACHINE) POWERED BY C18 Engine
PM620 Cold Planer LB800001-UP (MACHINE) POWERED BY C18 Engine
PM622 Cold Planer TPH00001-UP (MACHINE) POWERED BY C18 Engine
PM820 Cold Planer AK500001-UP (MACHINE) POWERED BY C18 Engine
PM822 Cold Planer EE200001-UP (MACHINE) POWERED BY C18 Engine
PM825 Cold Planer 3C600001-UP (MACHINE) POWERED BY C18 Engine
PM620 Cold Planer FG400001-UP (MACHINE) POWERED BY C18 Engine
PM622 Cold Planer XS600001-UP (MACHINE) POWERED BY C18 Engine
PM820 Cold Planer RL300001-UP (MACHINE) POWERED BY C18 Engine
PM820 Cold Planer AN800001-UP (MACHINE) POWERED BY C18 Engine
PM822 Cold Planer H6S00001-UP (MACHINE) POWERED BY C18 Engine
PM822 Cold Planer E8S00001-UP (MACHINE) POWERED BY C18 Engine
PM825 Cold Planer 62600001-UP (MACHINE) POWERED BY C18 Engine
PM825 Cold Planer 62700001-UP (MACHINE) POWERED BY C18 Engine
3408B Industrial Engine 67U11092-UP
589 Track-Type Pipelayer Power Shift 31Z00001-UP (MACHINE) POWERED BY 3408 Engine
826C Landfill Compactor 87X00587-UP (MACHINE)
16G Motor Grader 93U02679-UP (MACHINE) POWERED BY 3406 Engine
578 Pipelayer 8HB00001-UP (MACHINE) POWERED BY 3406 Engine
775B Truck 7XJ00200-UP (MACHINE) POWERED BY 3412 Engine
773B Off-Highway Truck 63W04200-UP (MACHINE) POWERED BY 3412 Engine
769C Truck 01X06600-UP (MACHINE) POWERED BY 3408 Engine
771C Truck 3BJ00200-UP (MACHINE) POWERED BY 3408 Engine
825G Soil Compactor 6RN00001-UP (MACHINE) POWERED BY 3406 Engine
826G Landfill Compactor 7LN00001-UP (MACHINE) POWERED BY 3406 Engine
16H Motor Grader 6ZJ00001-UP (MACHINE) POWERED BY 3406C Engine
D400E Articulated Truck 2YR00001-UP (MACHINE) POWERED BY 3406 Engine
24H Motor Grader 7KK00001-UP (MACHINE) POWERED BY 3412E Engine
769D Off-Highway Truck 5TR00001-00504 (MACHINE) POWERED BY 3408E Engine
771D Truck 6JR00001-00134 (MACHINE) POWERED BY 3408E Engine
773D Off-Highway Truck 7ER00001-00380 (MACHINE) POWERED BY 3412E Engine
775D Truck 6KR00001-00123 (MACHINE) POWERED BY 3412E Engine
D350E Articulated Truck 9LR00001-UP (MACHINE) POWERED BY 3406 Engine


Parts bearing Caterpillar catalog:

1650002 BEARING AS
14G, 14H, 14H NA, 16G, 16H, 16H NA
8D7685 BEARING
120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 135H, 135H NA, 14G, 14H, 14H NA, 14M, 16G
8W4167 BEARING-SLEEVE
14G, 14H, 14H NA, 14M, 16G, 16H, 16H NA, 16M
3G2582 BEARING
14G, 14H, 14H NA, 14M, 16G, 16H, 16H NA, 16M, 24H, 24M
8D8704 BEARING
16G, 16H, 16H NA, 16M
8D8888 BEARING
16G, 16H, 16H NA, 16M
8J5654 BEARING-SLEEVE
16G, 16H, 16H NA, 16M
8D3311 BEARING-SLEEVE
16G, 16H, 16H NA, 16M
8D3309 BEARING-SLEEVE
16G, 16H, 16H NA, 16M
8D9507 BEARING-SLEEVE
16G, 16H, 16H NA, 16M
9D3313 BEARING-SLEEVE
16G, 16H, 16H NA, 16M
1531727 BEARING-SLEEVE
365B, 365B II, 365B L, 365C, 365C L, 365C L MH, S365B, VHS-60/3
1N8062 BEARING AS-NEEDLE
120K, 120K 2, 12K, 12M, 140K 2, 140M, 160K, 160M, 3126E, 324D, 324D FM, 324D FM LL, 324D L, 324D LN, 325D, 325D FM, 325D FM LL, 325D L, 325D MH, 326D L, 328D LCR, 329D, 329D L, 329D LN, 330C, 330C L, ...
1608194 BEARING
12H, 140M, 140M 2, 160M, 160M 2, 2290, 2390, 2391, 2491, 2590, 330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2, 336D2 L, 340D L, 340D2 L, 511, 521...
2133190 BEARING
12H, 140M, 140M 2, 160M, 160M 2, 2290, 2390, 2391, 2491, 2590, 330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2, 336D2 L, 340D L, 340D2 L, 511, 521...
2002282 BEARING AS
3116, 3126, 3126B, 3126E, 570B, AP-755, C-12, C-9, C13, C7, C9, CX31-C9I, MTC735, TH31-E61, TH35-C13T
6I9235 BEARING AS-ROLLER
3114, 3116, 3126, 3126B, 3126E, 570B, 580B, C-9, C7, C9, MTC735
2036090 BEARING-SLEEVE
12H, 12M 2, 12M 3, 12M 3 AWD, 140M, 140M 2, 140M 3, 140M 3 AWD, 160M, 160M 2, 160M 3, 160M 3 AWD, 2290, 2390, 2391, 2491, 2590, 2864C, 330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D LN, 3...
2170752 BEARING-SLEEVE
24M, 3406E, 3456, 365C, 365C L, 365C L MH, 374D L, 374F L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 390F L, 5090B, 583T, 587T, 621B, 621G, 623G, 627F, 627G, 631D, 631E, 631G, 633E II, 637...
2170751 BEARING-SLEEVE
24M, 3406E, 3456, 365C, 365C L, 365C L MH, 374D L, 374F L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 390F L, 5090B, 583T, 587T, 621B, 621G, 623G, 627F, 627G, 631D, 631E, 631G, 633E II, 637...
2165582 BEARING-SLEEVE
24M, 3406E, 3456, 365C, 365C L, 365C L MH, 374D L, 374F L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 390F L, 5090B, 583T, 587T, 621B, 621G, 623G, 627F, 627G, 631D, 631E, 631G, 633E II, 637...
4W5701 BEARING-MAIN
16G, 16H NA, 245, 245B, 24H, 24M, 3406, 3406B, 3406C, 3406E, 3408, 3408B, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, 3456, 365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C FS, 385C ...
4W5700 BEARING-MAIN
16G, 16H NA, 245, 245B, 24H, 24M, 3406, 3406B, 3406C, 3406E, 3408, 3408B, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, 3456, 365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C FS, 385C ...
4W5699 BEARING-MAIN
16G, 16H NA, 245, 245B, 24H, 24M, 3406, 3406B, 3406C, 3406E, 3408, 3408B, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, 3456, 365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C FS, 385C ...
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