523-8693 KIT-HITCH S/N 1AB1640-UP REFER TO SPECIAL INSTRUCTIONS SEBF8487 FOR REUSE AND SALVAGE GUIDELINES FIELD INSTALLATION 631E

Part No	Qty	Parts name
3G-3346	[1]	BEARING (1.52-MM OS)
8W-2849	[1]	BEARING
8W-2852	[1]	BEARING (1.52-MM OS)
8W-2853	[1]	BEARING (1.52-MM OS)
8W-2855	[1]	BEARING (1.52-MM OS)
8W-2859	[1]	BEARING (1.52-MM OS)
8W-2861	[1]	BEARING (1.52-MM OS)
8W-3881	[2]	BEARING
9D-4094	[1]	BEARING
9J-0946	[1]	BEARING
7X-0347	[6]	BOLT (5/8-11X2.25-IN)
7X-0369	[4]	BOLT (3/4-10X3.25-IN)
7X-0370	[2]	BOLT (3/4-10X3.5-IN)
8C-4436	[20]	BOLT (1/2-13X1.375-IN)
8T-8917	[8]	BOLT (1/2-13X1.25-IN)
8T-8919	[20]	BOLT (1/2-13X1.75-IN)
8T-9393	[4]	BOLT (5/8-11X1.5-IN)
9D-3081	[6]	BOLT (5/8-11X1.5-IN)
5T-7888	[1]	BRACKET
105-2054	[1]	BRACKET AS
3G-3347	[1]	BUSHING
5J-6430	[1]	BUSHING
8W-2855 AB	[1]	BEARING (1.52-MM OS)
5J-8361	[1]	BUSHING
8W-2852 AB	[1]	BEARING (1.52-MM OS)
5J-8363	[1]	BUSHING
8W-2849 AB	[1]	BEARING
8W-2862	[1]	BUSHING
9J-0949	[1]	BUSHING
9J-0945	[1]	BUSHING-TERMINAL
9J-0948	[1]	BUSHING-TERMINAL
8W-8635	[1]	LEVER AS
9J-0952	[2]	LINK AS
		(EACH INCLUDES)
5P-0072	[4]	SEAL-LIP TYPE
7K-9208	[2]	SEAL-LIP TYPE
9J-0938	[1]	SPACER (2.875X3.125X0.67-IN THK)
9J-0951	[4]	BUSHING
9J-0953	[2]	LINK AS
8W-4772	[2]	LINK-FRONT STEERING
1K-6870	[2]	LOCKNUT (3/4-10-THD)
3H-5240	[1]	NUT (2-3/4-12-THD)
2J-5637	[1]	PIN
8X-1080	[4]	PIN
176-1401	[1]	PIN
263-6690	[1]	PIN
5T-3327	[1]	PIN AS
5T-3329	[1]	PIN AS
5T-8652	[2]	PIN AS
5T-8654	[4]	PIN AS
3B-4627	[1]	PIN-COTTER
5T-3353	[2]	PLATE
5T-8525	[4]	PLATE
8J-3298	[1]	RETAINER
8W-4759	[1]	RETAINER
8W-8633	[7]	RETAINER
263-6691	[1]	RETAINER
2J-5846	[2]	RING
5P-0075	[1]	SEAL-LIP TYPE
5P-3193	[1]	SEAL-LIP TYPE
7X-4764	[1]	SEAL-LIP TYPE
7X-4765	[1]	SEAL-LIP TYPE
7X-4766	[1]	SEAL-LIP TYPE
7X-4768	[1]	SEAL-LIP TYPE
8S-5767	[1]	SEAL-LIP TYPE
8W-9517	[1]	SPACER (71.5X120X3-MM THK)
5T-4649	[4]	SPACER-SPECIAL
5T-4648	[2]	STUD-TAPERLOCK (3/4-10-THD)
5J-8978	[1]	WASHER
5J-8979	[1]	WASHER (4.5X8.66X0.308-IN THK)
5J-8980	[1]	WASHER
9J-6095	[2]	WASHER (2.78X5.4X0.26-IN THK)
5P-8248	[2]	WASHER-HARD (20X36.5X3.5-MM THK)
8T-4122	[8]	WASHER-HARD (17X32X3.5-MM THK)
8T-4223	[28]	WASHER-HARD (13.5X25.5X3-MM THK)
8T-4994	[6]	WASHER-HARD (20X36.5X3.5-MM THK)
198-4778	[20]	WASHER-HARD (13.5X30X12-MM THK)
5J-3553	[1]	WASHER-THRUST
9J-0931	[8]	WASHER-THRUST
A		NOT PART OF THIS GROUP
B		USE AS REQUIRED

#SEBP24950551

5T-3156: LADDER GP

LADDER GP

5T-3156 LADDER GP
S/N 1AB1640-UP
PART OF 123-5057 CHASSIS AR

i00147705 SEBP2495

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	119-5083 C	[1]	LADDER AS
2.	8W-7785	[1]	SUPPORT AS
	4M-7347	[1]	LUG
3.	5C-6565	[5]	BOLT (1/2-13X1.125-IN)
4.	5P-1076	[13]	WASHER-HARD (13.5X30X4-MM THK)
5.	4L-6454	[4]	BOLT (3/8-16X1-IN)
6.	8T-2561	[4]	WASHER-HARD (10.5X28.5X5-MM THK)
7.	8T-8919 C	[6]	BOLT (1/2-13X1.75-IN)
8.	8X-9558 C	[2]	PLATE AS
9.	6V-8188 C	[2]	NUT (1/2-13-THD)
	C		CHANGE FROM PREVIOUS TYPE

#SEBP24950552

8W-9841: LINES GP-CENTRAL LUBRICATION

LINES GP-CENTRAL LUBRICATION

8W-9841 LINES GP-CENTRAL LUBRICATION
S/N 1AB1640-UP
HITCH
PART OF 123-5060 HITCH & STEERING AR

i00148000 SEBP2495

8W9841 LINES GP-CENTRAL LUBRICATION Parts scheme

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3G-6657	[2]	HOSE AS
2.	3G-0575	[2]	HOSE AS
3.	5T-4789	[3]	HOSE AS
4.	5T-3817	[1]	HOSE AS
5.	7S-4244 C	[4]	CLIP
6.	6D-4246	[2]	CLIP (LOOP)
7.	5D-0269 C	[2]	ELBOW
	3B-7733 C	[2]	FITTING
8.	7K-1181	[2]	STRAP-CABLE
9.	4K-8302 C	[1]	CLIP (LOOP)
10.	4L-6454	[1]	BOLT (3/8-16X1-IN)
11.	3G-7875	[1]	HOSE AS
12.	6G-9931	[3]	HOSE AS
13.	4D-8948 C	[1]	CLIP
14.	6G-9932	[2]	HOSE AS
15.	5P-9299	[2]	CLIP (LOOP)
16.	5T-9771	[1]	HOSE AS
17.	5T-3818	[2]	HOSE AS
18.	3G-0572	[1]	HOSE AS
19.	2R-1922 C	[10]	CONNECTOR
20.	3B-8489	[19]	FITTING-GREASE (1/8-27 PTF)(CENTRAL LUBRICATION)
21.	5P-1075	[6]	WASHER-HARD (10.2X22.5X3-MM THK)
22.	5S-7379	[3]	BOLT (3/8-16X0.875-IN)
23.	3S-2093	[14]	STRAP-CABLE
24.	4D-6475 C	[16]	ELBOW
25.	5T-9773	[1]	HOSE AS
26.	8L-5008	[4]	ELBOW-PIPE
27.	3D-9253 C	[1]	CONNECTOR-PIPE
28.	5H-7826 C	[1]	NIPPLE-PIPE
29.	3H-0120 C	[7]	ELBOW
30.	6V-8801	[3]	NUT (3/8-16-THD)
	C		CHANGE FROM PREVIOUS TYPE

#SEBP24950553

8W-6395: STEP GP

STEP GP

8W-6395 STEP GP
S/N 1AB1640-UP
FIELD INSTALLATION

i00147975 SEBP2495

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8W-3430	[1]	STEP AS
2.	4B-6221	[2]	LUG
3.	031-9253	[2]	BOLT-LOCKING (3/4-10X1.5-IN)

#SEBP24950554

145-8825: ACTUATOR GP-BRAKE

ACTUATOR GP-BRAKE

145-8825 ACTUATOR GP-BRAKE
S/N 1AB1727-1904
PART OF 123-5069 CONTROL GP-SERVICE BRAKE

i00705586 SEBP2495

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6G-1336	[1]	SPRING
2.	5T-2972	[1]	PISTON
3.	5T-3288	[1]	YOKE
4.	3B-5301	[1]	PIN-COTTER
5.	8F-7263	[1]	PIN-YOKE
6.	1D-5120	[1]	NUT-JAM (3/4-16-THD)
7.	5T-1324	[1]	BOOT
8.	3S-2093	[1]	STRAP-CABLE
9.	2K-0337	[2]	LOCKNUT (3/4-16-THD)
10.	5P-6652	[2]	WASHER (20X44.5X6-MM THK)
11.	5T-2973	[1]	PISTON-SECONDARY
12.	8W-5655	[1]	PLUG
13.	8W-5656	[1]	CYLINDER
14.	6G-1341	[1]	SPRING
15.	6G-1338	[1]	SPRING
16.	8W-4105	[1]	CYLINDER AS
17.	8W-7198	[1]	BULKHEAD
18.	033-4121	[20]	BOLT (5/16-18X0.625-IN)(5/16-18X.625IN)
19.	8T-1363	[2]	FILM-WARNING (COMPRESSED SPRING, READ OMM)
20.	8W-5491	[1]	KIT-COVER

			AVAILABLE REPAIR KIT(S):
	145-8826	[1]	KIT-MAINTENANCE

#SEBP24950555

189-2331: ACTUATOR GP-BRAKE

ACTUATOR GP-BRAKE

189-2331 ACTUATOR GP-BRAKE
S/N 1AB1905-UP
PART OF 123-5069 CONTROL GP-SERVICE BRAKE

i01365353 SEBP2495

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5T-2972	[1]	PISTON
2.	5T-3288	[1]	YOKE
3.	3B-5301	[1]	PIN-COTTER
4.	8F-7263	[1]	PIN-YOKE
5.	1D-5120	[1]	NUT-JAM (3/4-16-THD)
6.	5T-1324	[1]	BOOT
7.	3S-2093	[1]	STRAP-CABLE
8.	2K-0337	[2]	LOCKNUT (3/4-16-THD)
9.	5P-6652	[2]	WASHER (20X44.5X6-MM THK)
10.	214-7169	[1]	PISTON AS
11.	8W-5655	[1]	PLUG
12.	8W-5656	[1]	CYLINDER
13.	6G-1341	[1]	SPRING (INNER)
14.	6G-1338	[1]	SPRING (OUTER)
15.	8W-4105	[1]	CYLINDER AS
16.	8W-7198	[1]	BULKHEAD
17.	033-4121	[20]	BOLT (5/16-18X0.625-IN)
18.	8T-1363	[2]	FILM-WARNING (COMPRESSED SPRING, READ OMM)(PARKING BRAKE)
19.	8W-5491	[1]	KIT-COVER (PARKING BRAKE)
			(INCLUDES COVER & SCREW)
20.	6G-1336	[1]	SPRING

			AVAILABLE REPAIR KIT(S):
	189-2332	[1]	KIT-MAINTENANCE (PARKING BRAKE)
			(INCLUDES SEALS, BEARINGS, O-RINGS, RINGS, PLUGS, & BUSHINGS)

#SEBP24950556

8W-3956: ACTUATOR GP-BRAKE

ACTUATOR GP-BRAKE

8W-3956 ACTUATOR GP-BRAKE
S/N 1AB1640-1726
PART OF 123-5069 CONTROL GP-SERVICE BRAKE

i00147945 SEBP2495

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6G-1336	[1]	SPRING
2.	5T-2972	[1]	PISTON
3.	5T-3288	[1]	YOKE
4.	3B-5301	[1]	PIN-COTTER
5.	8F-7263	[1]	PIN-YOKE
6.	1D-5120	[1]	NUT-JAM (3/4-16-THD)
7.	5T-1324	[1]	BOOT
8.	3S-2093	[1]	STRAP-CABLE
9.	2K-0337	[2]	LOCKNUT (3/4-16-THD)
10.	5P-6652	[2]	WASHER (20X44.5X6-MM THK)
11.	5T-2973	[1]	PISTON-SECONDARY
12.	8W-5655	[1]	PLUG
13.	8W-5656	[1]	CYLINDER
14.	6G-1341	[1]	SPRING
15.	6G-1338	[1]	SPRING
16.	8W-4105	[1]	CYLINDER AS
17.	8W-7198	[1]	BULKHEAD
18.	033-4121	[20]	BOLT (5/16-18X0.625-IN)
21.	8T-1363	[2]	FILM-WARNING (COMPRESSED SPRING, READ OMM)

			AVAILABLE REPAIR KIT(S):
	8W-3753	[1]	KIT-MAINTENANCE
			(INCLUDES SEALS, RING SCREWS, PLUG & ETC.)
	8W-5491 C	[1]	KIT-COVER
			(INCLUDES COVER & SCREWS)
	C		CHANGE FROM PREVIOUS TYPE

#SEBP24950557

5T-0754: AIR DRYER GP

AIR DRYER GP

5T-0754 AIR DRYER GP
S/N 1AB1640-UP
PART OF 123-5057 CHASSIS AR
ALSO AN ATTACHMENT

i00147680 SEBP2495

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9M-7958	[1]	CLAMP-HOSE
2.	5K-5338 C	[7]	CLIP (LOOP)(DOUBLE HOSE)
3.	5M-3062 C	[11]	BOLT (3/8-16X0.75-IN)
4.	8T-4896 C	[12]	WASHER-HARD (10.2X18.5X2.5-MM THK)
5.	7J-0703 I	[1]	HOSE AS
6.	5H-4778 C	[1]	ELBOW
7.	8W-6641 C	[1]	HOSE AS
8.	4H-6147	[1]	CONNECTOR
9.	5T-9692 I	[1]	HOSE AS
10.	4D-2560	[1]	CONNECTOR-PIPE
11.	6K-8178	[1]	CLIP (LOOP)(SINGLE HOSE)
	5D-0353	[1]	BOLT-LOCKING (3/8-16X1-IN)
12.	9M-8406 C	[9]	CLIP (LOOP)
13.	5P-1251 BE		HOSE
14.	2H-3940 C	[4]	ELBOW
15.	2G-2159	[1]	AIR DRYER GP
15A.	118-5635	[1]	VALVE-CHECK
15B.	124-8851	[1]	RING
16.	143-2677	[1]	VALVE-AIR RELIEF
17.	8W-6583 C	[1]	COVER AS-END

			AVAILABLE REPAIR KIT(S):
	2G-7181	[1]	KIT-CHECK VALVE
			(INCLUDES BALL, RINGS, SPRING, WASHER, LUBRICATION, & INSTRUCTIONS)
	2G-7182	[1]	KIT-CARTRIDGE (REPLACEMENT)
			(INCLUDES CARTRIDGE, BALL, RINGS, LUBRICATION, & INSTRUCTIONS)
	2G-7183	[1]	KIT-REFILL
			(INCLUDES PLATE, FILTER, BALL, LOCKNUT, RINGS, LUBRICATION, & INSTRUCTIONS)
	2G-7184	[1]	KIT-PURGE VALVE
			(INCLUDES VALVE, BOOT, SPRING, RINGS, LUBRICATION, & INSTRUCTIONS)
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE
	E		ORDER BY THE CENTIMETER
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP24950558

5T-8469: BRAKE GP-SERVICE

BRAKE GP-SERVICE

5T-8469 BRAKE GP-SERVICE
S/N 1AB1640-1890
PART OF 125-7139 POWER TRAIN AR

i00147722 SEBP2495

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	175-4157	[2]	DRUM AS-BRAKE
2.	5T-5157	[1]	CAMSHAFT (LH)
3.	5T-5158	[1]	CAMSHAFT (RH)
4.	8S-9092	[84]	BOLT (5/8-11X2.25-IN)
5.	9D-6134	[84]	SPACER (16.66X30.18X12.7-MM THK)
6.	3B-8485	[2]	ELBOW
7.	8W-8552	[4]	SHOE AS
			(EACH INCLUDES)
	8W-8551	[2]	LINING-BRAKE
	7F-7772	[2]	BEARING
	3J-9377	[1]	PIN
	7D-7301	[48]	RIVET
8.	131-3218	[2]	GUARD-GREASE
9.	2J-2664	[4]	SPRING
10.	5M-3062	[12]	BOLT (3/8-16X0.75-IN)
11.	7X-0772	[12]	WASHER-HARD (10.2X25.5X2.5-MM THK)
12.	7F-7781	[8]	WASHER-FELT (38.1X50.8X4.8-MM THK)
13.	7F-7782	[8]	RETAINER
14.	7F-7783	[8]	SPRING-LOCK
15.	7F-7780	[4]	PIN-ANCHOR
16.	6D-6813	[4]	BOLT (3/8-16X1-IN)
17.	5P-6628 BD		LOCKWIRE
18.	8X-8371 C	[2]	SHIELD AS
19.	8W-2808 C	[2]	SHIELD AS
			(EACH INCLUDES)
	3H-5366	[2]	STUD-WELD (1/4-20X0.625-IN)
20.	7B-5868	[4]	LINK-PANEL
21.	8T-4205	[8]	WASHER-HARD (7.2X14.5X2-MM THK)
22.	2D-6235	[8]	LOCKNUT (1/4-20-THD)
23.	2D-0626	[4]	SEAL
24.	5F-2830	[2]	BEARING AS-NEEDLE
25.	4J-0805	[2]	WASHER (1.781X2.5X0.12-IN THK)
26.	2F-6066	[2]	RING-RETAINING
27.	3D-4654	[2]	WASHER (1.781X2.74X0.06-IN THK)
28.	3J-9173	[8]	BOLT-SPECIAL
29.	9D-5444	[4]	PIN
30.	5D-7969	[8]	ROLLER
31.	2H-3822	[2]	BEARING AS-NEEDLE
32.	5D-5755 Y	[1]	SLACK ADJUSTER GP (RH)(RH)
33.	5D-5754 Y	[1]	SLACK ADJUSTER GP (LH)(LH)
34.	2D-0627	[2]	SEAL-LIP TYPE
35.	4B-8440	[2]	FITTING-GREASE
36.	3B-8822	[2]	ELBOW
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE
	D		ORDER BY THE METER
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP24950559

5T-8469: BRAKE GP-SERVICE

BRAKE GP-SERVICE

5T-8469 BRAKE GP-SERVICE
S/N 1AB1891-UP
PART OF 125-7139 POWER TRAIN AR

i01239400 SEBP2495

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2H-3822	[2]	BEARING AS-NEEDLE
2.	2J-2664	[4]	SPRING
3.	3B-8485	[2]	ELBOW
4.	3B-8822	[2]	ELBOW
5.	4B-8440	[2]	FITTING-GREASE
6.	4J-0805	[2]	WASHER (1.781X2.5X0.12-IN THK)
7.	5T-5157	[1]	CAMSHAFT (LH)
8.	5T-5158	[1]	CAMSHAFT (RH)
9.	7F-7782	[8]	RETAINER
10.	7F-7783	[8]	SPRING-LOCK
11.	8W-2808	[2]	SHIELD AS
			(EACH INCLUDES)
	3H-5366	[2]	STUD-WELD (1/4-20X0.625-IN)
12.	8X-8371	[2]	SHIELD AS
			(EACH INCLUDES)
	3H-5366	[2]	STUD-WELD (1/4-20X0.625-IN)
13.	9D-6134	[84]	SPACER (16.66X30.18X12.7-MM THK)
14.	131-3218	[2]	GUARD-GREASE
15.	169-2902 CY	[1]	SLACK ADJUSTER GP (LH)
16.	169-2903 CY	[1]	SLACK ADJUSTER GP (RH)
17.	175-4157	[2]	DRUM AS-BRAKE
18.	250-2939	[4]	SHOE GP-BRAKE
	3J-9173	[2]	BOLT-SPECIAL
	8W-8552	[1]	SHOE AS
	9D-5444	[1]	PIN
	240-4681	[2]	ROLLER
19.	2D-0626	[4]	SEAL
20.	2D-0627	[2]	SEAL-LIP TYPE
21.	2D-6235	[8]	LOCKNUT (1/4-20-THD)
22.	2F-6066	[2]	RING-RETAINING
23.	3D-4654	[2]	WASHER (1.781X2.74X0.06-IN THK)
24.	5F-2830	[2]	BEARING AS-NEEDLE
25.	5M-3062	[12]	BOLT (3/8-16X0.75-IN)
26.	6D-6813	[4]	BOLT (3/8-16X1-IN)
27.	7B-5868	[4]	LINK-PANEL
28.	7F-7780	[4]	PIN-ANCHOR
29.	7F-7781	[8]	WASHER-FELT (38.1X50.8X4.8-MM THK)
30.	7X-0772	[12]	WASHER-HARD (10.2X25.5X2.5-MM THK)
31.	8S-9092	[84]	BOLT (5/8-11X2.25-IN)
32.	8T-4205	[8]	WASHER-HARD (7.2X14.5X2-MM THK)
33.	5P-6628 D		LOCKWIRE (1-M)
	C		CHANGE FROM PREVIOUS TYPE
	D		ORDER BY THE METER
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

Information:

FRAME AND BODY

HITCH GP

Operation and Maintenance Manual

Hitch - Inspect
631E Series II Wheel Tractor-Scrapers

Hitch - Lubricate
631E Series II Wheel Tractor-Scrapers

Special Instruction

Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{6207, 6245, 7051, 7106, 7107}
Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{6207, 6245, 7051, 7106, 7107}

Specifications

Cushion-Hitch
631E & 637E WHEEL TRACTOR-SCRAPERS CUSHION-HITCH

Introduction
631E SERIES II WHEEL TRACTOR-SCRAPER, 631E SERIES II TRACTOR

Cushion-Hitch<BR> 6G9600
631E SERIES II WHEEL TRACTOR-SCRAPER, 631E SERIES II TRACTOR

Cushion-Hitch
631E Series II, 633E Series II and 637E Series II Wheel Tractor-Scrapers Cushion-Hitch Hydraulic System

Systems Operation

System Operation
631E & 637E WHEEL TRACTOR-SCRAPERS CUSHION-HITCH

Systems Operation
631E SERIES II WHEEL TRACTOR-SCRAPER, 631E SERIES II TRACTOR

Cushion-Hitch Hydraulic System
631E Series II, 633E Series II and 637E Series II Wheel Tractor-Scrapers Cushion-Hitch Hydraulic System

General Information
631E Series II, 633E Series II and 637E Series II Wheel Tractor-Scrapers Cushion-Hitch Hydraulic System

Reuse And Salvage Guidelines

Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{6207, 6245, 7051, 7107}
Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{6207, 6245, 7051, 7107}

Testing and Adjusting

Testing And Adjusting
631E & 637E WHEEL TRACTOR-SCRAPERS CUSHION-HITCH

Testing and Adjusting
631E SERIES II WHEEL TRACTOR-SCRAPER, 631E SERIES II TRACTOR

Machine Preparation for Troubleshooting
631E Series II, 633E Series II and 637E Series II Wheel Tractor-Scrapers Cushion-Hitch Hydraulic System

General Troubleshooting Information
631E Series II, 633E Series II and 637E Series II Wheel Tractor-Scrapers Cushion-Hitch Hydraulic System

Visual Inspection
631E Series II, 633E Series II and 637E Series II Wheel Tractor-Scrapers Cushion-Hitch Hydraulic System

Performance Checks
631E Series II, 633E Series II and 637E Series II Wheel Tractor-Scrapers Cushion-Hitch Hydraulic System

Disassembly and Assembly

Cushion Hitch Selector Valve
631E & 637E WHEEL TRACTOR-SCRAPER VEHICLE SYSTEMS

Accumulators (Cushion Hitch)
631E & 637E WHEEL TRACTOR-SCRAPER VEHICLE SYSTEMS

Cushion Hitch Leveling Valve
631E & 637E WHEEL TRACTOR-SCRAPER VEHICLE SYSTEMS

Cushion Hitch Hydraulic Pump
631E & 637E WHEEL TRACTOR-SCRAPER VEHICLE SYSTEMS

Cushion Hitch Load Cylinder
631E & 637E WHEEL TRACTOR-SCRAPER VEHICLE SYSTEMS

Cushion Hitch
631E & 637E WHEEL TRACTOR-SCRAPER VEHICLE SYSTEMS

Cushion Hitch "H" Link Bearings
631E & 637E WHEEL TRACTOR-SCRAPER VEHICLE SYSTEMS

Steering Link Bearings
631E & 637E WHEEL TRACTOR-SCRAPER VEHICLE SYSTEMS

Tractor Scraper
631E & 637E WHEEL TRACTOR-SCRAPER VEHICLE SYSTEMS

Accumulators (Cushion Hitch)
631E SERIES II & 637E SERIES II WHEEL TRACTOR-SCRAPER MACHIN

Cushion Hitch Leveling (Control) Valve
631E SERIES II & 637E SERIES II WHEEL TRACTOR-SCRAPER MACHIN

Cushion Hitch Hydraulic Pump
631E SERIES II & 637E SERIES II WHEEL TRACTOR-SCRAPER MACHIN

Cushion Hitch Load Cylinder
631E SERIES II & 637E SERIES II WHEEL TRACTOR-SCRAPER MACHIN

Cushion Hitch
631E SERIES II & 637E SERIES II WHEEL TRACTOR-SCRAPER MACHIN

Cushion Hitch "H" Link Bearings
631E SERIES II & 637E SERIES II WHEEL TRACTOR-SCRAPER MACHIN

Horizontal Cushion Hitch Bearings
631E SERIES II & 637E SERIES II WHEEL TRACTOR-SCRAPER MACHIN

Service Magazine

Oversize Bearings Available For Cushion-Hitch Repair {7107,7109,7110}
1987/01/26

Jam Nut Added To Linkage Of Cushion-Hitch Leveling Valves{5313}
1987/04/06

Additional Clips Prevent Rubbing Of Cushion-Hitch Selector Valve Lines{5057}
1987/06/08

Improved Bracket Assembly Used For Cushion-Hitch Selector Lever{5319}
1987/11/02

New Pin Assembly And Bearing Used In Cushion-Hitch{7107}
1988/02/22

Hose Assembly Replaces Tube Assembly In Cushion-Hitch Lines{5313,5051}
1989/01/30

Oversize Seals Available For Cushion-Hitch Repair{7107,7109,7110}
1989/02/27

Oversize Bearings And Seals Available For Cushion-Hitch Repair {7110}
1989/05/01

New Cylinder Head and Seals Extend Seal Life On Cushion-Hitch Load Cylinder {5317}
1989/08/07

New Single Lip Seal Used In Cushion-Hitch Cylinder Groups{5317,7555}
1991/02/25

Retraction Plate Kit Is Available For Making Repairs To The Cushion Hitch Pumps In Water/Glycol Hydraulic Fluid Applications {5070}
1994/08/29

Procedure To Relocate Cushion Hitch And Bail Switch {5308,5319}
1996/10/14

Cushion Hitch Pump Check Valve Reduces Shaft Seal Leakage {5316,5067,7107}
1996/12/02

New Solenoid Manifold Group With Larger O-Ring Prevents Leakage Between Manifold Housing And Valve Body Of Cushion-Hitch Valve Group{5313}
1997/10/13

Foam Rubber Tube On Valve Stem Of Cushion Hitch Valve Prevents Valve From Shifting To Lockdown Position {5312}
1998/02/09

Piston Pump For Use With Fire Resistant Fluid (Water Glycol) Available For Cushion-Hitch And Brake Systems {4268,5070,5316}
1998/04/27

New Hitch Pins have Improved Service Life {7116}
2000/05/08

Correction to Service Magazine , "Inspection Procedure for Pin and Bushing Wear in Hitch Components and Steering Linkage for Wheel Tractor-Scrapers" {4305, 7106, 7107, 7108, 7109}
2008/07/21

Correction to the Service Magazine, "Oversize Bearings and Seals are Available for the Cushion Hitch Links Allow Rework of the Steering Links Without Welding" {7051, 7106, 7107}
2001/07/09

Oversize Bearings and Seals are Available for the Steering Links {7106, 7107}
2004/11/08

Shims Available To Compensate for Wear In Oscillating Hitch for Certain Wheel Tractor-Scrapers {7106, 7107}
2011/03/18

Cushion Hitch Rebuild Kits for Wheel Tractor-Scrapers are Available in the Service Information System (SIS) {6207, 6245, 7051, 7100, 7107}
Cushion Hitch Rebuild Kits for Wheel Tractor-Scrapers are Available in the Service Information System (SIS) {6207, 6245, 7051, 7100, 7107}

Caterpillar Parts SIS Catalog 631E :

8X-1294 HOOD GP-TRACTOR

6G-9600 HITCH GP-CUSHION

123-5060 HITCH & STEERING AR

123-5085 GUARD GP-RADIATOR

8X-7420 GUARD GP-POWER TRAIN

8W-8060 GUARD GP-CRANKCASE

8W-8023 GUARD GP-CRANKCASE

6G-8213 FENDER GP

5T-3156 LADDER GP

8W-9841 LINES GP-CENTRAL LUBRICATION

8W-6395 STEP GP

145-8825 ACTUATOR GP-BRAKE

189-2331 ACTUATOR GP-BRAKE

8W-3956 ACTUATOR GP-BRAKE

5T-0754 AIR DRYER GP

5T-8469 BRAKE GP-SERVICE

Truck sale:

Caterpillar 631E
- Scrapers
TRACTOR & EQUIPMENT CO.

65.000

Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
- Scrapers
CASHMAN EQUIPMENT CO.

65.000

Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
- Scrapers
CASHMAN EQUIPMENT CO.

65.000

Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
- Scrapers
CASHMAN EQUIPMENT CO.

65.000

Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
- Scrapers
CASHMAN EQUIPMENT CO.