FINAL DRIVE AND WHEELS--33.50 x 39 Tubeless Tires 641 Tractor Serial No. 64F308-Up Note: Quantities shown are those required for both R.H. and L.H. sides 651

POWER TRAIN

WHEEL & FINAL DRIVE GP

0. FINAL DRIV
1. FINAL DRIV
2. FINAL DRIV

BRAKING SYSTEM

CONTROL GP

3. AIR AND BR
4. AIR AND BR
5. AIR AND BR
6. AIR AND BR
7. AIR AND BR
8. AIR AND BR
9. AIR AND BR
0. INFORMATION

WHEEL TRACTOR 651 WHEEL TRACTOR 33G
641 & 651 TRACTORS 33G00001-00155 (MACHINE) UE034675 651 33G (1962)

POWER TRAIN

WHEEL & FINAL DRIVE GP

FINAL DRIVE AND WHEELS

#UE0346750230

FINAL DRIVE AND WHEELS

FINAL DRIVE AND WHEELS--33.50 x 39 Tubeless Tires
641 Tractor Serial No. 64F308-Up
Note: Quantities shown are those required for both R.H. and L.H. sides

c128854 UE034675

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Parts for your 651 WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
3D-1965	[4]	FLANGE
2B-7409	[2]	PLUG
0S-0130	[8]	PIN
		(4 IN EACH RETAINER ASSEM. 4M734)
4B-9783	[2]	BALL
		(1 IN EACH HOUSING ASSEM. 5D657)
5M-7294	[2]	SEAL GROUP
4M-0736	[4]	SEAL (RUBBER)
		(2 IN EACH SEAL GROUP 5M7294)
2H-6340	[2]	SEAL
3D-6208	[2]	RETAINER
2D-0605	[16]	BOLT
8M-4867	[4 FEET]	OF LOCKWIRE
5D-6469	[1]	SHAFT (RIGHT HAND)
5D-6470	[1]	SHAFT (LEFT HAND)
3D-0295	[4]	CUP
3D-0294	[4]	CONE
5D-0657	[2]	HOUSING ASSEM
3D-8241	[2]	SEAL
2J-3507	[74]	NUT
5D-2779	[74]	WASHER
0S-0130	[8]	PIN
		(4 IN EACH RETAINER ASSEM 3D6215)
3D-6215	[2]	RETAINER ASSEM
4M-0734	[2]	RETAINER ASSEM
8F-9960	[2]	SEAL
3D-6213	[2]	RING
4D-4823	[54]	STUD
3D-1967	[2]	RING
3D-1964	[2]	SEAL
3D-6205	[2]	WHEEL ASSEM
3D-6206	[2]	HUB
2D-2510	[2]	VALVE
6F-3930	[2]	CORE
		(1 OF EACH IN EACH VALVE ASSEM 3D2239)
5D-4960	[2]	BAND
3D-8835	[2]	DRIVER
4D-0299	[2]	CARRIER
3D-3295	[2]	SEAL
4D-0334	[2]	GEAR (115 TEETH)
4D-0335	[6]	GEAR (48 TEETH)
4D-0454	[12]	WASHER
2D-8369	[68]	STUD
1B-4331	[68]	NUT
3B-4512	[68]	LOCKWASHER
4D-0449	[2]	SEAL
4D-0608	[6]	RING
3D-0224	[12]	ROLLER ASSEM
4D-0445	[6]	PIN
4D-0453	[12]	WASHER
3D-3292	[6]	SPACER
2D-0605	[16]	BOLT
8M-4867	[4 FEET]	LOCKWIRE
3D-4363	[2]	RING
2D-0604	[2]	BUTTON
4D-0149	[2]	COVER
4D-0336	[2]	GEAR (17 TEETH)
3D-6210	[2]	WASHER
2A-3852	[2]	PLUG (OIL)
9F-8553	[2]	GASKET
3D-6208	[2]	RETAINER
4D-5642	[2]	SHIM
2D-8153	[18]	STUD
1D-4719	[18]	NUT
3B-4508	[18]	LOCKWASHER
0S-1621	[16]	BOLT
4F-7356	[8]	LOCK
4D-3173	[8]	RETAINER
3H-6828	[2]	PLUG
2A-1913	[2]	GASKET
6F-6672	[2]	SEAL
3D-2239	[2]	VALVE ASSEM
6F-3931	[2]	CAP
		(1 IN EACH VALVE ASSEM 3D2239)

#UE0346750231

FINAL DRIVE AND WHEELS

FINAL DRIVE AND WHEELS--37.50 x 39 Tubeless Tires
651 Tractor Serial No. 33G1 to 33G149 inclusive
Note; Quantities shown are those required for both R.H. and L.H. sides. Refer also to Page 174A for special parts

c128536 UE034675

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Parts for your 651 WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
4D-6172	[4]	FLANGE
2B-7409	[2]	PLUG
0S-0130	[8]	PIN
		(4 IN EACH RETAINER ASSEM 4D4504 & 4D4506)
4D-4510	[2]	SEAL GROUP
4D-4472	[4]	RING (RUBBER)
		(2 IN EACH SEAL GROUP 4D4510)
4D-4508	[2]	SEAL
4D-4324	[4]	CONE
4D-4325	[4]	CUP
4D-4367	[2]	RETAINER
3D-4041	[20]	BOLT
1F-5364	[5 FEET]	LOCKWIRE
4D-5438	[1]	SHAFT (RIGHT HAND)
5D-0107	[1]	SHAFT (LEFT HAND)
4D-4365	[1]	FLANGE
0S-1587	[2]	BOLT
4L-3754	[2]	LOCK
4D-4363	[2]	HOUSING ASSEM
3D-8241	[2]	SEAL
2J-3505	[74]	NUT
4D-6419	[74]	WASHER
0S-0130	[8]	PIN
		(4 IN EACH RETAINER ASSEM 4D4504 & 4D4506)
4D-4506	[2]	RETAINER ASSEM
4D-4504	[2]	RETAINER ASSEM
4D-4503	[2]	SEAL
4D-6185	[2]	RING
4D-4823	[54]	STUD
3D-1967	[2]	RING
3D-1964	[2]	SEAL
4D-4569	[2]	WHEEL ASSEM
4D-4361	[2]	HUB
2D-2510	[2]	VALVE
6F-3930	[2]	CORE
		(1 OF EACH IN EACH VALVE ASSEM 3D2239)
3D-1966	[2]	BAND
3D-8835	[2]	DRIVER
4D-0299	[2]	CARRIER
3D-3295	[2]	SEAL
4D-0334	[2]	GEAR (115 TEETH)
4D-0335	[6]	GEAR (48 TEETH)
4D-0454	[12]	WASHER
2D-8369	[68]	STUD
1B-4331	[68]	NUT
3B-4512	[68]	LOCKWASHER
4D-0449	[2]	SEAL
4D-0608	[6]	RING
3D-0224	[12]	ROLLER ASSEM
4D-0445	[6]	PIN
4D-0453	[12]	WASHER
3D-3292	[6]	SPACER
3D-4041	[20]	BOLT
1F-5364	[5 FEET]	LOCKWIRE
3D-4363	[2]	RING
2D-0604	[2]	BUTTON
4D-0149	[2]	COVER
4D-0336	[2]	GEAR (17 TEETH)
3D-6210	[2]	WASHER
2A-3852	[2]	PLUG (OIL)
9F-8553	[2]	GASKET
4D-4367	[2]	RETAINER
4D-5738	[2]	SHIM
2D-8153	[18]	STUD
1D-4719	[18]	NUT
3B-4508	[18]	LOCKWASHER
0S-1621	[16]	BOLT
4F-7356	[8]	LOCK
4D-3173	[8]	RETAINER
3H-6828	[2]	PLUG
2A-1913	[2]	GASKET
6F-6672	[2]	SEAL
3D-2239	[2]	VALVE ASSEM
6F-3931	[2]	CAP
		(1 IN EACH VALVE ASSEM 3D2239)

#UE0346750232

FINAL DRIVE AND WHEELS

FINAL DRIVE AND WHEELS--37.50 x 39 Tubeless Tires
651 Tractor Serial No. 33G150-Up
Note: Quantities shown are those required for both R.H. and L.H. sides. Refer also to Page 174A for special parts

c128537 UE034675

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Parts for your 651 WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
4D-6172	[4]	FLANGE
2B-7409	[2]	PLUG
0S-0130	[8]	PIN
		(4 IN EACH RETAINER ASSEM 4D4504 AND 4D4506)
4D-4510	[2]	SEAL GROUP
4B-9783	[2]	BALL
		(1 IN EACH HOUSING ASSEM. 5D662)
4D-4472	[4]	RING (RUBBER)
		(2 IN EACH SEAL GROUP 4D4510)
4D-4508	[2]	SEAL
4D-4324	[4]	CONE
4D-4325	[4]	CUP
4D-4367	[2]	RETAINER
3D-4041	[20]	BOLT
1F-5364	[5 FEET]	LOCKWIRE
5D-6504	[1]	SHAFT (RIGHT HAND)
5D-6510	[1]	SHAFT (LEFT HAND)
4D-4365	[1]	FLANGE
0S-1587	[2]	BOLT
4L-3754	[2]	LOCK
5D-0662	[2]	HOUSING ASSEM.
3D-8241	[2]	SEAL
2J-3507	[74]	NUT
5D-2779	[74]	WASHER
0S-0130	[8]	PIN
		(4 IN EACH RETAINER ASSEM 4D4504 AND 4D4506)
4D-4506	[2]	RETAINER ASSEM.
4D-4504	[2]	RETAINER ASSEM
4D-4503	[2]	SEAL
4D-6185	[2]	RING
4D-4823	[54]	STUD
3D-1967	[2]	RING
3D-1964	[2]	SEAL
4D-4569	[2]	WHEEL ASSEM
4D-4361	[2]	HUB
2D-2510	[2]	VALVE
6F-3930	[2]	CORE
		(1 OF EACH IN EACH VALVE ASSEM 3D2239)
5D-4960	[2]	BAND
3D-8835	[2]	DRIVER
4D-0299	[2]	CARRIER
3D-3295	[2]	SEAL
4D-0334	[2]	GEAR (115 TEETH)
4D-0335	[6]	GEAR (48 TEETH)
4D-0454	[12]	WASHER
2D-8369	[68]	STUD
1B-4331	[68]	NUT
3B-4512	[68]	LOCKWASHER
4D-0449	[2]	SEAL
4D-0608	[6]	RING
3D-0224	[12]	ROLLER ASSEM
4D-0445	[6]	PIN
4D-0453	[12]	WASHER
3D-3292	[6]	SPACER
3D-4041	[20]	BOLT
1F-5364	[5 FEET]	LOCKWIRE
3D-4363	[2]	RING
2D-0604	[2]	BUTTON
4D-0149	[2]	COVER
6D-0595	[2]	GEAR (17 TEETH)
3D-6210	[2]	WASHER
2A-3852	[2]	PLUG (OIL)
9F-8553	[2]	GASKET
4D-4367	[2]	RETAINER
4D-5738	[2]	SHIM
2D-8153	[18]	STUD
1D-4719	[18]	NUT
3B-4508	[18]	LOCKWASHER
0S-1621	[16]	BOLT
4F-7356	[8]	LOCK
4D-3173	[8]	RETAINER
3H-6828	[2]	PLUG
2A-1913	[2]	GASKET
6F-6672	[2]	SEAL
3D-2239	[2]	VALVE ASSEM
6F-3931	[2]	CAP
		(1 IN EACH VALVE ASSEM 3D2239)

#UE0346750233

AIR AND BRAKE CONTROL

AIR AND BRAKE CONTROL--Right Hand Side View--Part 1 of 3
641 Tractor Serial No. 64F1 to 64F138 inclusive
3D2744 Rotochamber, 4F6941 Release Valve, 4D1084 Valve Group and 9F1996 Pneuphonic Horn parts are shown on Pages 122 through 125

c83159 UE034675

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Parts for your 651 WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
1B-4331	[6]	NUT
3B-4512	[6]	LOCKWASHER
4D-2501	[1]	BRACKET
		(RIGHT HAND)
4D-2502	[1]	BRACKET
		(LEFT HAND)
4D-6291	[1]	FITTING
5H-4778	[1]	UNION
2B-0858	[2]	PLUG
4B-6067	[2]	ELBOW
3B-7255	[2]	BUSHING
4H-6147	[1]	UNION
3H-0019	[1]	CLIP
5H-4778	[2]	UNION
3D-9129	[2]	COUPLING
4D-2836	[1]	HOSE (15.50" LONG)
4D-6290	[1]	ELBOW
3H-1831	[2]	NUT
3H-1832	[2]	SLEEVE
		(1 OF EACH IN EACH ELBOW 4D6290 AND FITTING 4D6291)
3D-2744 Y	[2]	ROTOCHAMBER
		(SEE SEPARATE ILLUSTRATION)
3F-2776	[2]	ELBOW
3D-6175	[1]	TUBE (RIGHT HAND)
3D-6176	[1]	TUBE (LEFT HAND)
1A-9136	[4]	BOLT
3B-4505	[4]	LOCKWASHER
2D-8910	[2]	UNION
2B-7409	[2]	PLUG
4F-6941 Y	[2]	RELEASE VALVE
		(SEE SEPARATE ILLUSTRATION)
6F-3083	[2]	ELBOW
0S-1585	[4]	BOLT
3B-4508	[4]	LOCKWASHER
0L-1351	[2]	BOLT
1D-4717	[2]	NUT
3B-4506	[2]	LOCKWASHER
5B-1345	[2]	CLIP
4D-4266	[2]	CLAMP
4D-1499	[1]	BRACKET
1F-8307	[2]	COCK
3B-7284	[2]	NIPPLE
3F-2868	[1]	CLAMP
0S-1591	[2]	BOLT
3B-4506	[2]	LOCKWASHER
3D-7587	[1]	UNION
2H-9091	[2]	UNION
4D-6291	[1]	FITTING
3H-1831	[1]	NUT
3H-1832	[1]	SLEEVE
		(PART OF FITTING 4D6291)
4D-6289	[1]	TUBE
4D-1084 Y	[1]	BRAKE VALVE GROUP
		(SEE SEPARATE ILLUSTRATION)
4D-6288	[1]	TUBE
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
4D-7173	[1]	BLOCK
4B-4845	[2]	PLUG
3D-6370	[1]	UNION
4D-3293	[1]	BOOT
4B-1229	[2]	SCREW
3B-4502	[2]	LOCKWASHER
2D-7325	[1]	TEE
9F-1996 Y	[1]	PNEUPHONIC HORN ASSEM
		(SEE SEPARATE ILLUSTRATION)
2H-9434	[1]	BRACKET
1B-7182	[1]	BOLT
1D-4716	[1]	NUT
3B-4505	[1]	LOCKWASHER
3B-8822	[1]	ELL
3B-7733	[1]	NIPPLE
3B-6487	[1]	COUPLING
9F-2848	[2]	ELBOW
4D-1406	[1]	HOSE (38" LONG)
5F-4380	[2]	TANK ASSEM
3D-9129	[2]	COUPLING
5H-4778	[1]	UNION
0S-1594	[2]	BOLT
9F-2978	[2]	NUT (WELD)
		(1 IN EACH CLAMP ASSEM 4D4259)
3B-4506	[2]	LOCKWASHER
4D-4259	[2]	CLAMP ASSEM.
2D-0190	[1]	HOSE ASSEM.
2D-0189	[1]	HOSE (45" LONG)
		(PART OF HOSE ASSEM. 2D190)
6B-9664	[1]	VALVE
2D-0296	[2]	COUPLING
		(PART OF HOSE ASSEM. 2D190)
4D-6314	[2]	UNION
0S-1585	[2]	BOLT
1D-4719	[2]	NUT
3B-4508	[2]	LOCKWASHER
2H-5202	[2]	BODY
1H-8306	[2]	SCREW
Y		SEPARATE ILLUSTRATION

#UE0346750234

AIR AND BRAKE CONTROL

AIR AND BRAKE CONTROL--Front View--Part 2 of 3
641 Tractor Serial No. 64F1 to 64F138 inclusive
4D1669 Valve Assembly and 3D9943 Horn Valve Assembly parts are shown on Pages 123 and 125

c82221 UE034675

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Parts for your 651 WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
2D-0296	[2]	COUPLING
2H-3940	[1]	UNION
3D-5369	[1]	HOSE ASSEM.
3D-5368	[1]	HOSE (40" LONG)
2D-0296	[2]	COUPLING
4D-3734	[1]	UNION
2H-3940	[1]	UNION
2H-9091	[1]	UNION
9F-2947	[1]	CLIP
0S-0509	[1]	BOLT
1D-4717	[1]	NUT
3B-4506	[1]	LOCKWASHER
3B-6553	[1]	ELBOW
4D-3278	[1]	VALVE
2B-7409	[1]	PLUG
4H-6147	[2]	UNION
3D-9129	[2]	COUPLING
3D-6379	[1]	HOSE (62" LONG)
6B-9938	[1]	CONNECTOR
3D-9129	[2]	COUPLING
4D-4232	[1]	TUBE
3F-2778	[1]	ELBOW
4D-3888	[1]	HOSE (42" LONG)
3D-9129	[2]	COUPLING
4F-2337	[1]	HOSE (59" LONG)
2D-1261	[2]	COUPLING
4D-6244	[1]	HOSE (71" LONG)
3B-7730	[1]	ELBOW
3D-7587	[1]	UNION
3D-9129	[2]	COUPLING
0T-0102	[2]	BOLT
1D-4717	[2]	NUT
3B-4506	[2]	LOCKWASHER
4D-1407	[1]	HOSE (29" LONG)
2D-0176	[1]	HOSE (36" LONG)
2H-3855	[1]	BOLT
3B-4508	[1]	LOCKWASHER
3D-7467	[1]	CLIP
4D-2831	[1]	HOSE (23" LONG)
2D-0296	[2]	COUPLING
2H-3940	[1]	UNION
4D-2832	[1]	HOSE (112" LONG)
3D-9129	[2]	COUPLING
4D-1544	[1]	CLIP
8H-7696	[1]	FITTING
5H-4778	[1]	UNION
4D-4236	[1]	BRACKET ASSEM.
0S-1618	[2]	BOLT
3B-4505	[2]	LOCKWASHER
4D-1669 Y	[1]	VALVE ASSEM.
		(SEE SEPARATE ILLUSTRATION)
4H-6147	[2]	UNION
3L-6521	[1]	TEE
3D-9129	[2]	COUPLING
4D-4808	[1]	HOSE (65" LONG)
6B-9940	[1]	CONNECTOR
3D-6437	[1]	CLIP
3D-5437	[1]	TUBE
6B-9938	[1]	CONNECTOR
0T-0284	[2]	BOLT
1B-4201	[2]	NUT
3B-4504	[2]	LOCKWASHER
3D-9943 Y	[1]	HORN VALVE ASSEM.
		(SEE SEPARATE ILLUSTRATION)
3D-5438	[1]	TUBE
4B-0418	[3]	CLIP
8F-2396	[3]	GROMMET
0S-1594	[1]	BOLT
1D-4717	[1]	NUT
3B-4506	[1]	LOCKWASHER
4B-4278	[1]	WASHER
1A-9136	[3]	BOLT
3B-4505	[3]	LOCKWASHER
4D-5980	[1]	GROMMET
4D-5915	[1]	HOSE (48" LONG)
2D-0296	[2]	COUPLING
4D-2837	[1]	HOSE (46.50" LONG)
3D-9428	[1]	CLIP
1H-5167	[2]	CLIP
3D-9129	[2]	COUPLING
2B-7409	[1]	PLUG
Y		SEPARATE ILLUSTRATION

#UE0346750235

AIR AND BRAKE CONTROL

AIR AND BRAKE CONTROL--Front View--Part 3 of 3
641 Tractor Serial No. 64F1 to 64F138 inclusive
4D4779 Retarder Valve Assembly parts are shown on Page 121

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Parts for your 651 WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
5H-4778	[1]	UNION
2D-1261	[2]	COUPLING
0S-1594	[2]	BOLT
1D-4717	[2]	NUT
3B-4506	[2]	LOCKWASHER
4B-4278	[2]	WASHER
3D-7467	[2]	CLIP
4D-2833	[1]	HOSE (82" LONG)
0S-1594	[1]	BOLT
1D-4717	[1]	NUT
3B-4506	[1]	LOCKWASHER
3D-7467	[1]	CLIP (FRONT)
8F-2394	[1]	CLIP (REAR)
4D-1392	[1]	HOSE (108" LONG)
3D-6377	[1]	HOSE (144" LONG)
5B-7314	[2]	CLIP
0S-0509	[2]	BOLT
3B-4506	[2]	LOCKWASHER
3D-7467	[1]	CLIP
0S-0509	[1]	BOLT
3B-4506	[1]	LOCKWASHER
4B-4278	[1]	WASHER
1H-1362	[1]	NIPPLE
3D-6371	[1]	PIPE ASSEM.
3B-6488	[1]	COUPLING
8B-2664	[1]	BUSHING
1B-5174	[1]	PLUG
2D-0296	[2]	COUPLING
3H-0019	[2]	CLIP
0S-1588	[2]	BOLT
3B-4506	[2]	LOCKWASHER
4D-5951	[1]	CLIP
5H-4778	[1]	UNION
2D-0296	[2]	COUPLING
2D-0296	[2]	COUPLING
4D-2841	[1]	HOSE (73" LONG)
2L-3622	[1]	UNION
4D-4267	[1]	UNION
0S-0509	[1]	BOLT
3B-4506	[1]	LOCKWASHER
3B-7741	[1]	NIPPLE
2H-9524	[1]	GROMMET
1B-2790	[2]	BOLT
1D-4716	[2]	NUT
3B-4505	[2]	LOCKWASHER
2H-9435	[2]	CLAMP
2H-9523	[1]	GROMMET
4D-0487	[1]	VALVE
4D-1179	[1]	VALVE
3K-5670	[1]	SPRING
4D-1178	[1]	SEAT
		(PARTS OF VALVE 4D487)
4D-4779 Y	[1]	VALVE
		(SEE SEPARATE ILLUSTRATION)
2D-8913	[3]	VALVE
	[1]	BODY
3D-4897	[1]	GUIDE
3D-4829	[1]	CAP
3D-4869	[1]	SHUTTLE
0S-1615	[2]	BOLT
3B-4504	[2]	LOCKWASHER
3D-4868	[1]	GASKET
4H-6147	[1]	UNION
5H-4778	[1]	UNION
4B-4845	[1]	PLUG
3B-6489	[1]	COUPLING
3B-7744	[1]	NIPPLE
4D-6457	[1]	VALVE
5H-4778	[1]	UNION
2D-8910	[1]	UNION
8B-1261	[1]	TEE
3B-7738	[1]	NIPPLE
6B-7639	[1]	TEE
4D-7174	[1]	TUBE
3B-7255	[1]	BUSHING
3B-7741	[1]	NIPPLE
2D-8935	[1]	ORIFICE
8B-4509	[2]	FITTING
5B-1309	[1]	COUPLING
2D-8910	[1]	UNION
2D-8910	[1]	UNION
5H-4778	[1]	UNION
Y		SEPARATE ILLUSTRATION

#UE0346750236

AIR AND BRAKE CONTROL

AIR AND BRAKE CONTROL--Right Hand Side View--Part 1 of 3
641 Tractor Serial No. 64F139 to 64F177 and 64F182 inclusive and 651 Tractor Serial No. 33G1 to 33G117, 33G119, 33G122 & 33G132 inclusive
3D2744 Rotochamber, 4F6941 Release Valve, 4D1084 Valve Group and 9F1996 Pneuphonic Horn parts are shown on Pages 122 through 125

c84253 UE034675

For full view, you need register

Parts for your 651 WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
1B-4331	[6]	NUT
3B-4512	[6]	LOCKWASHER
4D-2501	[1]	BRACKET
		(RIGHT HAND)
4D-2502	[1]	BRACKET
		(LEFT HAND)
4D-6291	[1]	FITTING
5H-4778	[1]	UNION
2B-0858	[2]	PLUG
4B-6067	[2]	ELBOW
3B-7255	[2]	BUSHING
4H-6147	[1]	UNION
3H-0019	[1]	CLIP
5H-4778	[2]	UNION
3D-9129	[2]	COUPLING
4D-2836	[1]	HOSE (15.50" LONG)
4D-6290	[1]	ELBOW
3H-1831	[2]	NUT
3H-1832	[2]	SLEEVE
		(1 OF EACH IN EACH ELBOW 4D6290 AND FITTING 4D6291)
3D-2744 Y	[2]	ROTOCHAMBER
		(SEE SEPARATE ILLUSTRATION)
3F-2776	[2]	ELBOW
3D-6175	[1]	TUBE (RIGHT HAND)
3D-6176	[1]	TUBE (LEFT HAND)
1A-9136	[4]	BOLT
3B-4505	[4]	LOCKWASHER
2D-8910	[2]	UNION
2B-7409	[2]	PLUG
4F-6941 Y	[2]	RELEASE VALVE
		(SEE SEPARATE ILLUSTRATION)
6F-3083	[2]	ELBOW
0S-1585	[4]	BOLT
3B-4508	[4]	LOCKWASHER
0L-1351	[2]	BOLT
1D-4717	[2]	NUT
3B-4506	[2]	LOCKWASHER
5B-1345	[2]	CLIP
4D-4266	[2]	CLAMP
4D-1499	[1]	BRACKET
1F-8307	[2]	COCK
3B-7284	[2]	NIPPLE
3F-2868	[1]	CLAMP
0S-1591	[2]	BOLT
3B-4506	[2]	LOCKWASHER
3D-7587	[1]	UNION
2H-9091	[2]	UNION
4D-6291	[1]	FITTING
3H-1831	[1]	NUT
3H-1832	[1]	SLEEVE
		(PART OF FITTING 4D6291)
4D-6289	[1]	TUBE
4D-1084 Y	[1]	BRAKE VALVE GROUP
		(SEE SEPARATE ILLUSTRATION)
4D-6288	[1]	TUBE
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
4D-7173	[1]	BLOCK
4B-4845	[2]	PLUG
3D-6370	[1]	UNION
4D-3293	[1]	BOOT
4B-1230	[2]	SCREW
3B-4502	[2]	LOCKWASHER
2D-7325	[1]	TEE
9F-1996 Y	[1]	PNEUPHONIC HORN ASSEM
		(SEE SEPARATE ILLUSTRATION)
2H-9434	[1]	BRACKET
1B-7182	[1]	BOLT
1D-4716	[1]	NUT
3B-4505	[1]	LOCKWASHER
3B-8822	[1]	ELL
3B-7733	[1]	NIPPLE
3B-6487	[1]	COUPLING
9F-2848	[2]	ELBOW
4D-1406	[1]	HOSE (38" LONG)
5F-4380	[2]	TANK ASSEM.
3D-9129	[2]	COUPLING
5H-4778	[1]	UNION
0S-1594	[2]	BOLT
9F-2978	[2]	NUT (WELD)
		(1 IN EACH CLAMP ASSEM. 4D4259)
3B-4506	[2]	LOCKWASHER
4D-4259	[2]	CLAMP ASSEM.
2D-0190	[1]	HOSE ASSEM.
2D-0189	[1]	HOSE (45" LONG)
		(PART OF HOSE ASSEM. 2D190)
6B-9664	[1]	VALVE
2D-0296	[2]	COUPLING
		(PART OF HOSE ASSEM. 2D190)
4D-6314	[2]	UNION
0S-1585	[2]	BOLT
1D-4719	[2]	NUT
3B-4508	[2]	LOCKWASHER
2H-5202	[2]	BODY
1H-8306	[2]	SCREW
Y		SEPARATE ILLUSTRATION

#UE0346750237

AIR AND BRAKE CONTROL

AIR AND BRAKE CONTROL--Front View--Part 2 of 3
641 Tractor Serial No. 64F139 to 64F177 and 64F182 inclusive and 651 Tractor Serial No. 33G1 to 33G117, 33G119, 33G122 & 33G132 inclusive
4D1669 Valve Assembly and 3D9943 Horn Valve Assembly parts are shown on Pages 123 and 125

c84254 UE034675

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Parts for your 651 WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
2D-0296	[2]	COUPLING
2H-3940	[1]	UNION
3D-5369	[1]	HOSE ASSEM.
3D-5368	[1]	HOSE (40" LONG)
2D-0296	[2]	COUPLING
4D-3734	[1]	UNION
2H-3940	[1]	UNION
2H-9091	[1]	UNION
9F-2947	[1]	CLIP
0S-0509	[1]	BOLT
1D-4717	[1]	NUT
3B-4506	[1]	LOCKWASHER
3H-5264	[1]	CLIP
3H-0019	[1]	CLIP
0S-1588	[1]	BOLT
3B-4506	[1]	LOCKWASHER
3B-6553	[1]	ELBOW
4D-3278	[1]	VALVE
2B-7409	[1]	PLUG
4H-6147	[2]	UNION
3D-9129	[2]	COUPLING
3D-6379	[1]	HOSE (62" LONG)
6B-9938	[1]	CONNECTOR
3D-9129	[2]	COUPLING
4D-4232	[1]	TUBE
3F-2778	[1]	ELBOW
4D-3888	[1]	HOSE (42" LONG)
3D-9129	[2]	COUPLING
4F-2337	[1]	HOSE (59" LONG)
2D-1261	[2]	COUPLING
4D-6244	[1]	HOSE (71" LONG)
3B-7730	[1]	ELBOW
3D-7587	[1]	UNION
3D-9129	[2]	COUPLING
0T-0102	[2]	BOLT
1D-4717	[2]	NUT
3B-4506	[2]	LOCKWASHER
4D-1407	[1]	HOSE (29" LONG)
2D-0176	[1]	HOSE (36" LONG)
2H-3855	[1]	BOLT
3B-4508	[1]	LOCKWASHER
3D-7467	[1]	CLIP
4D-2831	[1]	HOSE (23" LONG)
2D-0296	[2]	COUPLING
2H-3940	[1]	UNION
4D-2832	[1]	HOSE (112" LONG)
3D-9129	[2]	COUPLING
4D-1544	[1]	CLIP
8H-7696	[1]	FITTING
5H-4778	[1]	UNION
4D-4236	[1]	BRACKET ASSEM.
0S-1618	[2]	BOLT
3B-4505	[2]	LOCKWASHER
4D-1669 Y	[1]	VALVE ASSEM.
		(SEE SEPARATE ILLUSTRATION)
4H-6147	[2]	UNION
3L-6521	[1]	TEE
3D-9129	[2]	COUPLING
4D-4808	[1]	HOSE (65" LONG)
6B-9940	[1]	CONNECTOR
3D-6437	[1]	CLIP
3D-5437	[1]	TUBE
6B-9938	[1]	CONNECTOR
0T-0284	[2]	BOLT
1B-4201	[2]	NUT
3B-4504	[2]	LOCKWASHER
3D-9943 Y	[1]	HORN VALVE ASSEM.
		(SEE SEPARATE ILLUSTRATION)
3D-5438	[1]	TUBE
4B-0418	[3]	CLIP
8F-2396	[3]	GROMMET
0S-1594	[1]	BOLT
1D-4717	[1]	NUT
3B-4506	[1]	LOCKWASHER
4B-4278	[1]	WASHER
1A-9136	[3]	BOLT
3B-4505	[3]	LOCKWASHER
4D-5980	[1]	GROMMET
4D-5915	[1]	HOSE (48" LONG)
2D-0296	[2]	COUPLING
4D-2837	[1]	HOSE (46.50" LONG)
3D-9428	[1]	CLIP
1H-5167	[2]	CLIP
3D-9129	[2]	COUPLING
2B-7409	[1]	PLUG
3D-6891	[1]	HOSE (54" LONG)
3D-9129	[1]	COUPLING
Y		SEPARATE ILLUSTRATION

#UE0346750238

AIR AND BRAKE CONTROL

AIR AND BRAKE CONTROL--Front View--Part 3 of 3
641 Tractor Serial No. 64F139 to 64F177 and 64F182 inclusive and 651 Tractor Serial No. 33G1 to 33G117, 33G119, 33G122 & 33G132 inclusive
4D3279 Valve Assembly parts are shown on Page 121B

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Parts for your 651 WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
5H-4778	[1]	UNION
2D-1261	[2]	COUPLING
0S-1594	[2]	BOLT
1D-4717	[2]	NUT
3B-4506	[2]	LOCKWASHER
4B-4278	[2]	WASHER
3D-7467	[2]	CLIP
4D-2833	[1]	HOSE (82" LONG)
0S-1594	[1]	BOLT
1D-4717	[1]	NUT
3B-4506	[1]	LOCKWASHER
3D-7467	[1]	CLIP (FRONT)
8F-2394	[1]	CLIP (REAR)
4D-1392	[1]	HOSE (108" LONG)
3D-6377	[1]	HOSE (144" LONG)
5B-7314	[2]	CLIP
0S-0509	[2]	BOLT
3B-4506	[2]	LOCKWASHER
3D-7467	[1]	CLIP
0S-0509	[1]	BOLT
3B-4506	[1]	LOCKWASHER
4B-4278	[1]	WASHER
1H-1362	[1]	NIPPLE
3D-6371	[1]	PIPE ASSEM.
3B-6488	[1]	COUPLING
8B-2664	[1]	BUSHING
1B-5174	[1]	PLUG
2D-0296	[2]	COUPLING
0S-1588	[1]	BOLT
3B-4506	[1]	LOCKWASHER
4B-5271	[1]	WASHER
5H-7549	[1]	CLIP
5H-4778	[1]	UNION
2D-0296	[2]	COUPLING
2D-0296	[2]	COUPLING
4D-2841	[1]	HOSE (73" LONG)
2L-3622	[1]	UNION
4D-4267	[1]	UNION
0S-0509	[1]	BOLT
3B-4506	[1]	LOCKWASHER
3B-7741	[1]	NIPPLE
2H-9524	[1]	GROMMET
1B-2790	[2]	BOLT
1D-4716	[2]	NUT
3B-4505	[2]	LOCKWASHER
2H-9435	[2]	CLAMP
2H-9523	[1]	GROMMET
4D-0487	[1]	VALVE
4D-1179	[1]	VALVE
3K-5670	[1]	SPRING
4D-1178	[1]	SEAT
		(PARTS OF VALVE 4D487)
4D-3279 Y	[1]	VALVE
		(SEE SEPARATE ILLUSTRATION)
2D-8913	[3]	VALVE
	[1]	BODY
3D-4897	[1]	GUIDE
3D-4829	[1]	CAP
3D-4869	[1]	SHUTTLE
0S-1615	[2]	BOLT
3B-4504	[2]	LOCKWASHER
3D-4868	[1]	GASKET
4H-6147	[1]	UNION
5H-4778	[1]	UNION
4B-4845	[1]	PLUG
3B-6489	[1]	COUPLING
3B-7744	[1]	NIPPLE
4D-6457	[1]	VALVE
5H-4778	[1]	UNION
2D-8910	[1]	UNION
8B-1261	[1]	TEE
3B-7738	[1]	NIPPLE
6B-7639	[1]	TEE
4D-7174	[1]	TUBE
3B-7255	[1]	BUSHING
3B-7741	[1]	NIPPLE
2D-8935	[1]	ORIFICE
8B-4509	[2]	FITTING
5B-1309	[1]	COUPLING
2D-8910	[1]	UNION
2D-8910	[1]	UNION
5H-4778	[1]	UNION
Y		SEPARATE ILLUSTRATION

#UE0346750239

AIR AND BRAKE CONTROL

AIR AND BRAKE CONTROL--Right Hand Side View--Part 1 of 3
641 Tractor Serial No. 64F178 to 181 and 183 to 64F259 inclusive and 651 Tractor Serial No. 33G118, 120, 121, 123 to 131 and
133 to 33G143 inclusive. 3D2744 Rotochamber, 4F6941 Release Valve, 4D1084 Valve Group
and 9F1996 Pneuphonic Horn parts are shown on Pages 122 through 125

c84693 UE034675

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Parts for your 651 WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
1B-4331	[6]	NUT
3B-4512	[6]	LOCKWASHER
4D-2501	[1]	BRACKET
		(RIGHT HAND)
4D-2502	[1]	BRACKET
		(LEFT HAND)
4D-6291	[1]	FITTING
5H-4778	[1]	UNION
2B-0858	[2]	PLUG
4B-6067	[2]	ELBOW
3B-7255	[2]	BUSHING
4H-6147	[1]	UNION
3H-0019	[1]	CLIP
5H-4778	[2]	UNION
3D-9129	[2]	COUPLING
4D-2836	[1]	HOSE (15.50" LONG)
4D-6290	[1]	ELBOW
3H-1831	[2]	NUT
3H-1832	[2]	SLEEVE
		(1 OF EACH IN EACH ELBOW 4D6290 AND FITTING 4D6291)
3D-2744 Y	[2]	ROTOCHAMBER
		(SEE SEPARATE ILLUSTRATION)
3F-2776	[2]	ELBOW
3D-6175	[1]	TUBE (RIGHT HAND)
3D-6176	[1]	TUBE (LEFT HAND)
1A-9136	[4]	BOLT
3B-4505	[4]	LOCKWASHER
2D-8910	[2]	UNION
2B-7409	[2]	PLUG
4F-6941 Y	[2]	RELEASE VALVE
		(SEE SEPARATE ILLUSTRATION)
6F-3083	[2]	ELBOW
0S-1585	[4]	BOLT
3B-4508	[4]	LOCKWASHER
0L-1351	[2]	BOLT
1D-4717	[2]	NUT
3B-4506	[2]	LOCKWASHER
5B-1345	[2]	CLIP
4D-4266	[2]	CLAMP
4D-1499	[1]	BRACKET
1F-8307	[2]	COCK
3B-7284	[2]	NIPPLE
3F-2868	[1]	CLAMP
0S-1591	[2]	BOLT
3B-4506	[2]	LOCKWASHER
3D-7587	[1]	UNION
2H-9091	[2]	UNION
4D-6291	[1]	FITTING
3H-1831	[1]	NUT
3H-1832	[1]	SLEEVE
		(PART OF FITTING 4D6291)
4D-6289	[1]	TUBE
4D-1084 Y	[1]	BRAKE VALVE GROUP
		(SEE SEPARATE ILLUSTRATION)
4D-6288	[1]	TUBE
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
4D-7173	[1]	BLOCK
4B-4845	[2]	PLUG
3D-6370	[1]	UNION
4D-3293	[1]	BOOT
4B-1230	[2]	SCREW
3B-4502	[2]	LOCKWASHER
2D-7325	[1]	TEE
9F-1996 Y	[1]	PNEUPHONIC HORN ASSEM.
		(SEE SEPARATE ILLUSTRATION)
2H-9434	[1]	BRACKET
1B-7182	[1]	BOLT
1D-4716	[1]	NUT
3B-4505	[1]	LOCKWASHER
3B-8822	[1]	ELL
3B-7733	[1]	NIPPLE
3B-6487	[1]	COUPLING
9F-2848	[2]	ELBOW
4D-1406	[1]	HOSE (38" LONG)
5F-4380	[2]	TANK ASSEM.
3D-9129	[2]	COUPLING
5H-4778	[1]	UNION
0S-1594	[2]	BOLT
9F-2978	[2]	NUT (WELD)
		(1 IN EACH CLAMP ASSEM. 4D4259)
3B-4506	[2]	LOCKWASHER
4D-4259	[2]	CLAMP ASSEM.
2D-0190	[1]	HOSE ASSEM.
2D-0189	[1]	HOSE (45" LONG)
		(PART OF HOSE ASSEM. 2D190)
6B-9664	[1]	VALVE
2D-0296	[2]	COUPLING
		(PART OF HOSE ASSEM. 2D190)
4D-6314	[2]	UNION
0S-1585	[2]	BOLT
1D-4719	[2]	NUT
3B-4508	[2]	LOCKWASHER
2H-5202	[2]	BODY
1H-8306	[2]	SCREW
Y		SEPARATE ILLUSTRATION

Information:

POWER TRAIN

WHEEL & FINAL DRIVE GP

Special Instruction

Inspection of the Duo-cone Seal Gp{4050, 4051, 7561}
Inspection of the Duo-cone Seal Gp{4050, 4051, 7561}

Tool Operating Manual

149-7173 Bearing Handling Bracket Assembly {0374, 0599, 0629, 0632, 4006, 4008, 7551}
149-7173 Bearing Handling Bracket Assembly {0374, 0599, 0629, 0632, 4006, 4008, 7551}

193-4124 Rear Wheel Bearing Preload Adjuster for 793 Off-Highway Trucks{0374, 0599, 0700, 0722, 0727, 0731}
193-4124 Rear Wheel Bearing Preload Adjuster for 793 Off-Highway Trucks{0374, 0599, 0700, 0722, 0727, 0731}

Reuse And Salvage Guidelines

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}

Procedures to Salvage Thrust Faces on Planetary Carriers {3160, 4050, 4051, 4093}
Procedures to Salvage Thrust Faces on Planetary Carriers {3160, 4050, 4051, 4093}

Thermal Spray Procedures for WTS Front Spindle {0679, 4051, 4201, 4205, 4208}
Thermal Spray Procedures for WTS Front Spindle {0679, 4051, 4201, 4205, 4208}

Thermal Spray Procedures for Wheel Tractor Scraper (WTS) Axle, Spindle, and Shafts {0679, 4001, 4008, 4051, 4205}
Thermal Spray Procedures for Wheel Tractor Scraper (WTS) Axle, Spindle, and Shafts {0679, 4001, 4008, 4051, 4205}

Contamination Control Guidelines

Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}

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}

Service Magazine

Determining the Severity of a Leak of the Duo-cone Seal Gp {4050, 4051, 7561}
2010/02/25

Caterpillar Parts SIS Catalog 651 :

FINAL DRIVE AND WHEELS

DIFFERENTIAL CASE AND COVERS

BEVEL GEAR AND DIFFERENTIAL

4D-8592 DIFFERENTIAL CYLINDER ASSEMBLY

4D-9990 DIFFERENTIAL LOCK GROUP

FINAL DRIVE AND WHEELS

AIR AND BRAKE CONTROL

FINAL DRIVE AND WHEELS--33.50 x 39 Tubeless Tires 641 Tractor Serial No. 64F308-Up Note: Quantities shown are those required for both R.H. and L.H. sides 651

POWER TRAIN

FINAL DRIVE AND WHEELS

Parts for your 651 WHEEL TRACTOR:

FINAL DRIVE AND WHEELS

Parts for your 651 WHEEL TRACTOR:

FINAL DRIVE AND WHEELS

Parts for your 651 WHEEL TRACTOR:

AIR AND BRAKE CONTROL

Parts for your 651 WHEEL TRACTOR:

AIR AND BRAKE CONTROL

Parts for your 651 WHEEL TRACTOR:

AIR AND BRAKE CONTROL

Parts for your 651 WHEEL TRACTOR:

AIR AND BRAKE CONTROL

Parts for your 651 WHEEL TRACTOR:

AIR AND BRAKE CONTROL

Parts for your 651 WHEEL TRACTOR:

AIR AND BRAKE CONTROL

Parts for your 651 WHEEL TRACTOR:

AIR AND BRAKE CONTROL

Parts for your 651 WHEEL TRACTOR:

Information:

Caterpillar Parts SIS Catalog 651 :

Truck sale: