137-8858 DIFFERENTIAL GP S/N BXY1-UP PART OF 137-8851 DIFFERENTIAL & BEVEL GEAR GP 988H WHEEL LOADER

POWER TRAIN

DIFFERENTIAL & BEVEL GEAR GP

0. 137-8858 DIFFERENTI
1. 146-4378 DIFFERENTI
2. 146-7271 DIFFERENTI
3. 146-7272 DIFFERENTI

AXLE GP

4. 137-8865 FASTENER G

FILTER GP

5. 170-4042 FILTER & M
6. 170-3843 FILTER GP-
7. 230-3633 FILTER GP-
8. 346-5571 FILTER GP-
9. 353-4688 FILTER GP-
0. INFORMATION

WHEEL LOADER 988H WHEEL LOADER BXY
988H Wheel Loader BXY00001-UP (MACHINE) POWERED BY C18 Engine SEBP3906 988H BXY (2004)

POWER TRAIN

DIFFERENTIAL & BEVEL GEAR GP

137-8851 DIFFERENTIAL & BEVEL GEAR GP

137-8858 DIFFERENTIAL GP

146-4378 DIFFERENTIAL GP-NOSPIN

146-7271 DIFFERENTIAL GP-NOSPIN

146-7272 DIFFERENTIAL GP-NOSPIN

#SEBP39060650

137-8858: DIFFERENTIAL GP

DIFFERENTIAL GP

137-8858 DIFFERENTIAL GP
S/N BXY1-UP
PART OF 137-8851 DIFFERENTIAL & BEVEL GEAR GP

i00952916 SEBP3906

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	137-8859	[1]	CASE AS-DIFFERENTIAL
2.	140-6554	[1]	SPIDER
3.	154-4383	[4]	SPACER-THRUST
4.	139-9391	[4]	PINION-DIFFERENTIAL BEVEL (13-TEETH)
5.	140-6555	[4]	BUSHING
6.	140-6553	[2]	WASHER-THRUST
7.	139-9392	[2]	GEAR-DIFFERENTIAL BEVEL (20-TEETH)
8.	5P-8247	[16]	WASHER-HARD (17X32X3.5-MM THK)
9.	8T-0650 M	[16]	BOLT (M16X2X160-MM)
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP39060651

146-4378: DIFFERENTIAL GP-NOSPIN

DIFFERENTIAL GP-NOSPIN

146-4378 DIFFERENTIAL GP-NOSPIN
S/N BXY1-UP
PART OF 146-7271 DIFFERENTIAL GP-NOSPIN

i00955835 SEBP3906

1464378 DIFFERENTIAL GP-NOSPIN Parts scheme

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	146-7274	[2]	GEAR-SIDE
2.	2G-3747	[2]	CLUTCH AS
3.	146-7275	[1]	SPIDER AS
4.	7D-4721	[2]	RETAINER
5.	7D-4719	[2]	SPRING

#SEBP39060652

146-7271: DIFFERENTIAL GP-NOSPIN

DIFFERENTIAL GP-NOSPIN

146-7271 DIFFERENTIAL GP-NOSPIN
S/N BXY1-UP
PART OF 146-7272 DIFFERENTIAL GP-NOSPIN

i00955842 SEBP3906

1467271 DIFFERENTIAL GP-NOSPIN Parts scheme

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	137-8859	[1]	CASE AS-DIFFERENTIAL
2.	146-4378 Y	[1]	DIFFERENTIAL GP-NOSPIN
3.	5P-8247	[16]	WASHER-HARD (17X32X3.5-MM THK)
4.	8T-0650 M	[16]	BOLT (M16X2X160-MM)
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP39060653

146-7272: DIFFERENTIAL GP-NOSPIN

DIFFERENTIAL GP-NOSPIN

146-7272 DIFFERENTIAL GP-NOSPIN
S/N BXY1-UP

i00955844 SEBP3906

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
	146-7271 Y	[1]	DIFFERENTIAL GP-NOSPIN
	Y		SEPARATE ILLUSTRATION

#SEBP39060654

137-8865: FASTENER GP-AXLE MOUNTING

FASTENER GP-AXLE MOUNTING

137-8865 FASTENER GP-AXLE MOUNTING
S/N BXY1-UP
PART OF 225-5455 POWER TRAIN AR

i00940069 SEBP3906

1378865 FASTENER GP-AXLE MOUNTING Parts scheme

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	139-5943 M	[12]	BOLT (M30X3.5X320-MM)(FRONT AXLE MTG)
2.	9X-8399	[36]	WASHER (33X56X6-MM THK)
3.	8T-1583 M	[12]	NUT (M30X3.5-THD)(FRONT AXLE MTG)
4.	334-6836	[8]	BOLT (M30X3.5X240-MM)(REAR TRUNNION SUPPORT MTG)
5.	178-2992 M	[4]	BOLT (M30X3.5X220-MM)(FRONT TRUNNION SUPPORT MTG)
	M		METRIC PART

#SEBP39060655

170-4042: FILTER & MTG GP-POWER TRAIN

FILTER & MTG GP-POWER TRAIN

170-4042 FILTER & MTG GP-POWER TRAIN
S/N BXY1-3999
PART OF 225-6709 LINES GP-POWER TRAIN OIL

i01051827 SEBP3906

1704042 FILTER & MTG GP-POWER TRAIN Parts scheme

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6V-0852	[1]	CAP-DUST
2.	8C-3447	[1]	CAP-DUST
3.	169-5862	[1]	ELBOW AS
	3J-1907	[1]	SEAL-O-RING
	8C-6712	[1]	ELBOW
4.	170-3843 Y	[1]	FILTER GP-OIL (POWER TRAIN)
5.	150-3065	[1]	ELBOW AS
	3J-1907	[1]	SEAL-O-RING
	6V-0484	[1]	ELBOW
6.	164-5567	[1]	COUPLER AS-QUICK DISCONNECT (MALE)(QUICK DISCONNECT)
	3J-1907	[1]	SEAL-O-RING
	6V-3965	[1]	FITTING (QUICK DISCONNECT)
7.	164-5590	[1]	VALVE AS-FLUID SAMPLING
	3J-7354	[1]	SEAL-O-RING
	8C-3446	[1]	VALVE-SAMPLING
	Y		SEPARATE ILLUSTRATION

#SEBP39060656

170-3843: FILTER GP-OIL

FILTER GP-OIL

170-3843 FILTER GP-OIL -POWER TRAIN
S/N BXY1-3999
PART OF 170-4042 FILTER & MTG GP-POWER TRAIN

i01135669 SEBP3906

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3J-1907	[2]	SEAL-O-RING
2.	7M-1297	[1]	SPRING
3.	7N-1228	[1]	SPRING
4.	9S-4191	[2]	PLUG (9/16-18-THD)
5.	006-8350	[1]	SEAL-O-RING
6.	133-2198	[1]	SPRING
7.	152-1130	[1]	RETAINER
8.	161-4511	[1]	SEAL-O-RING
9.	161-4515	[1]	COVER
10.	166-9367	[1]	SPOOL-BYPASS
11.	167-2009	[1]	FILTER ELEMENT AS-OIL (ULTRA HIGH EFFICIENCY)(POWER TRAIN)
12.	170-0050	[1]	BASE-OIL FILTER
13.	173-7760	[1]	HANDLE
14.	173-8278	[1]	HOUSING-FILTER
15.	208-8661	[1]	STUD
16.	3E-2338	[1]	PLUG-PIPE
17.	6V-4429 M	[6]	BOLT (M16X2X40-MM)
18.	6V-8212 M	[2]	BOLT (M10X1.5X16-MM)
19.	7M-8485	[1]	SEAL-O-RING
20.	8M-6393	[1]	RING-RETAINING
	154-9731 F	[1]	COMPOUND-THREAD LOCK
	F		NOT SHOWN
	M		METRIC PART

#SEBP39060657

230-3633: FILTER GP-OIL

FILTER GP-OIL

230-3633 FILTER GP-OIL -AXLE OIL COOLER
S/N BXY4000-4600
PART OF 257-7815 COOLER & FAN GP-AXLE OIL, 225-6716 LINES GP-HYDRAULIC FAN

i01972001 SEBP3906

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	164-6709	[1]	PLUG AS
	3J-1907	[1]	SEAL-O-RING
	5F-9144	[1]	SEAL-O-RING
2.	222-6713	[1]	FILTER-OIL (FIRE RESISTANT)(AXLE OIL COOLER)

#SEBP39060658

346-5571: FILTER GP-OIL

FILTER GP-OIL

346-5571 FILTER GP-OIL -POWER TRAIN
S/N BXY4000-UP
HYDRAULIC & TRANSMISSION, MEDIUM PRESSURE
PART OF 345-3936 LINES GP-POWER TRAIN OIL

i03754243 SEBP3906

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	353-4688 Y	[1]	FILTER GP-OIL (TRANSMISSION)
2.	440-0257 Y	[1]	SWITCH GP-PRESSURE (OIL FILTER BYPASS)
3.	346-5572	[1]	BASE AS-OIL FILTER
	5P-7701	[2]	SEAL-O-RING
	8L-2786	[2]	SEAL-O-RING
	9S-4181	[2]	PLUG (1-5/16-12-THD)
	9S-4185	[2]	PLUG (3/4-16-THD)
4.	337-5270	[1]	FILTER ELEMENT AS-OIL (TRANSMISSION)(TRANSMISSION)
4A.	095-1678	[1]	SEAL-O-RING
	Y		SEPARATE ILLUSTRATION

#SEBP39060659

353-4688: FILTER GP-OIL

FILTER GP-OIL

353-4688 FILTER GP-OIL
S/N BXY4000-UP
TRANSMISSION
PART OF 346-5571 FILTER GP-OIL

i03996773 SEBP3906

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Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9S-8005	[1]	PLUG (3/4-16-THD)
2.	337-5270	[1]	FILTER ELEMENT AS-OIL (TRANSMISSION)(POWER TRAIN)
2A.	095-1678	[1]	SEAL-O-RING
3.	347-7407	[1]	TUBE-CENTER
4.	8L-2786	[1]	SEAL-O-RING

			PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY

Information:

POWER TRAIN

DIFFERENTIAL & BEVEL GEAR GP

Operation and Maintenance Manual

Differential and Final Drive Oil Level - Check
988H Wheel Loader

Differential and Final Drive Oil - Change
988H Wheel Loader

Differential and Final Drive Oil Sample - Obtain
988H Wheel Loader

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR PREVENTIVE REPLACEMENT OF THE DIFFERENTIAL BEVEL GEAR BOLTS ON SOME 988H WHEEL LOADERS
PRODUCT SUPPORT PROGRAM FOR PREVENTIVE REPLACEMENT OF THE DIFFERENTIAL BEVEL GEAR BOLTS ON SOME 988H WHEEL LOADERS

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Specifications

NoSPIN Differential
988H Wheel Loader Power Train

Differential and Bevel Gear
988H Wheel Loader Power Train

Tool Operating Manual

226-2380 Adjustable C-Hook Extension{0374, 0599, 0632, 0727, 1122, 3258, 4050, 4084, 4208, 7561}
226-2380 Adjustable C-Hook Extension{0374, 0599, 0632, 0727, 1122, 3258, 4050, 4084, 4208, 7561}

Service Letter-China

Service Letter-Asia

Systems Operation

Differential
988H Wheel Loader Power Train

NoSPIN Differential
988H Wheel Loader Power Train

Reuse And Salvage Guidelines

Differential Housing Components for Wheel Loaders, Articulated Trucks, Wheel Tractors, Compactors, Integrated Toolcarriers, and Motor Graders {3258, 3284}
Differential Housing Components for Wheel Loaders, Articulated Trucks, Wheel Tractors, Compactors, Integrated Toolcarriers, and Motor Graders {3258, 3284}

Reusability of Drive Train Gears {3002, 3159, 3256, 4055}
Reusability of Drive Train Gears {3002, 3159, 3256, 4055}

Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}

Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}
Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}

Salvage of Differential Carriers {3258, 3284}
Salvage of Differential Carriers {3258, 3284}

Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}
Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}

Thermal Spray Procedures of Differential Carrier Assemblies for Wheel Loader, Wheel Dozer, Compactor, Integrated Toolcarrier, Articulated Truck, and Wheel Tractor Scraper (WTS) {0679, 3284}
Thermal Spray Procedures of Differential Carrier Assemblies for Wheel Loader, Wheel Dozer, Compactor, Integrated Toolcarrier, Articulated Truck, and Wheel Tractor Scraper (WTS) {0679, 3284}

Thermal Spray Procedures for Wheel Loaders, Off-Highway Trucks and Tractors, Articulated Trucks, Wheel Tractors, Compactors, and Integrated Toolcarriers Differential - Support Bearing Journal {0679, 3258, 3284}
Thermal Spray Procedures for Wheel Loaders, Off-Highway Trucks and Tractors, Articulated Trucks, Wheel Tractors, Compactors, and Integrated Toolcarriers Differential - Support Bearing Journal {0679, 3258, 3284}

Thermal Spray Procedures for Wheel Loaders, Articulated Trucks, Wheel Tractors, Compactors, and Integrated Toolcarriers Differential Case - Flange End {0679, 3258, 3284}
Thermal Spray Procedures for Wheel Loaders, Articulated Trucks, Wheel Tractors, Compactors, and Integrated Toolcarriers Differential Case - Flange End {0679, 3258, 3284}

Contamination Control Guidelines

Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}

Procedure for Filtering Final Drives, Rear Axles, and Differentials on Caterpillar Machines {0680, 0768, 3258, 3260, 4050}
Procedure for Filtering Final Drives, Rear Axles, and Differentials on Caterpillar Machines {0680, 0768, 3258, 3260, 4050}

Service Letter-APD

Testing and Adjusting

Differential Pinion Preload - Adjust
988H Wheel Loader Power Train

Differential Backlash and Bearings - Adjust
988H Wheel Loader Power Train

Troubleshooting

Differential and Final Drive Troubleshooting
988H Wheel Loader Power Train

Disassembly and Assembly

Differential and Bevel Gear - Remove - Rear
988H and 988K Wheel Loaders Power Train

Differential and Bevel Gear - Install - Rear
988H and 988K Wheel Loaders Power Train

NoSPIN Differential - Disassemble
988H and 988K Wheel Loaders Power Train

Differential and Bevel Gear - Disassemble
988H and 988K Wheel Loaders Power Train

Differential and Bevel Gear - Assemble
988H and 988K Wheel Loaders Power Train

NoSPIN Differential - Assemble
988H and 988K Wheel Loaders Power Train

Service Magazine

Use <NOBR> 1U-9891</NOBR> Hydraulic Oil Additive to Eliminate Brake Chatter and Reduce Noise in the Limited Slip Differential {3263, 5095}
Use 1U-9891 Hydraulic Oil Additive to Eliminate Brake Chatter and Reduce Noise in the Limited Slip Differential {3263, 5095}

New High Strength Bolts are Now Used for the Spiral Bevel Gears In Order To Improve Service Life in High Load Applications {3256, 3258}
2015/02/05

Caterpillar Parts SIS Catalog 988H :

137-8851 DIFFERENTIAL & BEVEL GEAR GP

232-0209 COVER GP-TRANSMISSION

342-4861 COVER GP-SHIPPING

257-7805 COOLER GP-AXLE OIL

259-8449 COOLER AR-AXLE OIL

146-4378 DIFFERENTIAL GP-NOSPIN

146-7271 DIFFERENTIAL GP-NOSPIN

146-7272 DIFFERENTIAL GP-NOSPIN

137-8865 FASTENER GP-AXLE MOUNTING

170-4042 FILTER & MTG GP-POWER TRAIN

170-3843 FILTER GP-OIL

230-3633 FILTER GP-OIL

346-5571 FILTER GP-OIL

Truck sale:

Caterpillar 988H
- Wheel Loaders
WESTERN STATES EQUIPMENT

Caterpillar 988H, Wheel Loaders, Construction
- Wheel Loaders
CGT - COMPAGNIA GENERALE TRATTORI

114,704

Caterpillar 988H, Wheel Loaders, Construction
- Wheel Loaders
CAVPOWER

1,008,026

Caterpillar 988H, Wheel Loaders, Construction
- Wheel Loaders
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