6J60 RELIEF VALVE GROUP Part of 9J831 Control Valve Group shown on Page 208 631D WHEEL TRACTOR

HYDRAULIC SYSTEM

VALVE GP

0. 6J-0060 VALVE GP

CYLINDER GP

1. 8J-9959 CYLINDER G

OPERATOR STATION

ROPS/FOPS GP

2. 2G-4270 ROPS GP
3. 2G-4270 ROPS GP
4. 2G-4270 ROPS GP
5. 2G-3010 ROPS GP
6. 2G-3010 ROPS GP
7. 2G-3010 ROPS GP
8. 2G-3010 ROPS GP
9. 2G-3010 ROPS GP
0. INFORMATION

WHEEL TRACTOR 631D WHEEL TRACTOR 24W
631D TRACTOR 24W00001-UP (MACHINE) POWERED BY 3408 ENGINE SEBP1062 631D 24W (1975)

HYDRAULIC SYSTEM

VALVE GP

9J-0816 VALVE GP-AIR CONTROL

9J-0825 VALVE GP

6J-0060 VALVE GP

#SEBP10621000

6J-0060: VALVE GP

VALVE GP

6J60 RELIEF VALVE GROUP
Part of 9J831 Control Valve Group shown on Page 208

c957820 SEBP1062

For full view, you need register

Parts for your 631D WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5S-7382	[2]	BOLT (3/8 X 16 X 1.375 IN)
2.	8T-4896	[2]	WASHER-HARD (2.5MM THK)
3.	5J-3233	[1]	SPRING
4.	4J-5351	[1]	SEAL-O-RING (17.12MM ID)
5.	9S-8002	[3]	PLUG-O-RING (7/16 - 20 THD)
6.	5J-2721 B	[12]	SHIM (0.13MM THK)
7.	3J-7354	[3]	SEAL-O-RING (8.92MM ID)
8.	5J-0916	[1]	SPRING
9.	5J-2722 B	[1]	SHIM (1.22MM THK)
10.	7X-0336	[1]	BOLT (1/2 - 13 X 5.50IN)
11.	5J-3237	[1]	STOP
12.	5J-0901	[1]	VALVE
13.	8T-4223	[2]	WASHER-HARD (3MM THK)
14.	6J-3134	[5]	SEAL (7.59MM ID)
15.	4J-0519	[1]	SEAL-O-RING (31.34MM ID)
16.	7X-0332	[1]	BOLT (1/2 - 13 X 4.50IN)
18.	4J-0523	[1]	SEAL-O-RING (44.04MM ID)
19.	2J-0075	[1]	SPRING
20.	4J-5573	[1]	SEAL-O-RING (40.87MM ID)
21.	4J-0522	[1]	SEAL-O-RING (37.69MM ID)
22.	6J-0040	[1]	BODY GP-VALVE
23.	8F-9206	[1]	SEAL-O-RING (12.37MM ID)
25.	9S-8004	[3]	PLUG-O-RING (9/16 - 18 THD)
26.	3J-1907	[1]	SEAL-O-RING (11.89MM ID)
27.	5J-3215	[1]	RETAINER
30.	3E-4354	[1]	BALL
	B		USE AS REQUIRED

#SEBP10621001

8J-9959: CYLINDER GP-LOAD

CYLINDER GP-LOAD

8J9959 LOAD CYLINDER GROUP--(Changes 3, 4 & 5)--6.50" Stroke x 9.80" Bore

c208307 SEBP1062

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Parts for your 631D WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2J-0564	[1]	NUT-SELF LOCKING
2.	5J-4991	[2]	SEAL AS
3.	3J-9703	[1]	RING-WEAR
4.	8J-9960	[1]	CYLINDER AS
5.	9J-1187	[1]	BEARING-SLEEVE
6.	9J-9391	[1]	HEAD
7.	1D-4626	[4]	BOLT
	3B-4514	[4]	LOCKWASHER
8.	9J-0508	[1]	ROD AS
9.	9J-1187	[1]	BEARING-SLEEVE
10.	1K-6982	[1]	SEAL-LIP TYPE
11.	5J-0964	[1]	SEAL-U-CUP
12.	5J-3620	[1]	SEAL-RING
13.	2K-4473	[1]	RING-BACK-UP
14.	2K-4472	[1]	SEAL-O-RING
15.	3J-9704	[1]	PISTON

#SEBP10621002

2G-4270: ROPS GP

ROPS GP

2G4270 ROLL-OVER PROTECTIVE STRUCTURE GROUP--Open
Serial No. 24W1 to 24W1566 inclusive

c208564 SEBP1062

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Parts for your 631D WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2G-4125	[1]	SUPPORT ASSEM.
2.	2G-5581	[1]	LINER
3.	2G-6087	[5]	BUTTON
4.	0T-0102	[3]	BOLT
	3B-4506	[3]	LOCKWASHER
5.	9D-7193	[1]	ANGLE
6.	5P-5642 H		SEAL .30 m(11.82 in.)
7.	2G-3204	[1]	GLASS
8.	5P-0815 H		SEAL .44 m(17.32 in.)
9.	6F-7036	[16]	BOLT
	9H-1031	[16]	WASHER
	H		ORDER BY THE METRE

#SEBP10621003

2G-4270: ROPS GP

ROPS GP

2G4270 ROLL-OVER PROTECTIVE STRUCTURE GROUP--Open
Serial No. 24W1567 to 24W2027 inclusive
2G9280 Windshield parts are shown on Page 216G

c227411 SEBP1062

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Parts for your 631D WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2G-4125	[1]	SUPPORT ASSEM.
			(Includes)
	2G-9265 C	[2]	BRACKET
2.	7D-5042 C	[2]	GRAB IRON
3.	2G-6087	[5]	BUTTON
4.	0T-0102	[3]	BOLT
	3B-4506	[3]	LOCKWASHER
5.	9D-7193	[1]	ANGLE
6.	2G-9485 C	[1]	SEAL
7.	2G-9280 YC	[1]	WINDSHIELD GROUP
			(Separate Illustration)
8.	5P-0815 H		SEAL .44 m(17.32 in.)
9.	6F-7036 C	[16]	BOLT
	9H-1031	[16]	WASHER
10.	0S-1615 C	[1]	BOLT
11.	1B-4330 C	[7]	NUT
12.	5P-0537 C	[8]	WASHER
13.	2G-9266 C	[1]	CLIP
14.	6G-0839 C	[1]	STRIP
15.	0S-1616 C	[6]	BOLT
16.	2G-5581	[1]	LINER
	H		ORDER BY THE METER
	Y		SEPARATE ILLUSTRATION
	C		INDICATES CHANGE

#SEBP10621004

2G-4270: ROPS GP

ROPS GP

2G4270 ROLL-OVER PROTECTIVE STRUCTURE GROUP--OPEN
Serial No. 24W2028-Up
2G9280--Page 216G

c324577 SEBP1062

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Parts for your 631D WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2G-4125	[1]	SUPPORT AS.
	2G-9265	[2]	BRACKET
2.	7D-5042 C	[1]	GRAB IRON
3.	7D-4533 C	[1]	GRAB IRON
4.	0T-0102	[3]	BOLT
	3B-4506	[3]	LOCKWASHER
5.	9D-7193	[1]	ANGLE
6.	2G-9485	[1]	SEAL
7.	2G-9280 Y	[1]	WINDSHIELD GROUP
8.	6V-5030 CBD		SEAL
9.	6F-7036 C	[16]	BOLT
	9H-1031	[16]	WASHER
10.	1H-3337 C	[7]	BOLT
11.	4L-6458 C	[7]	NUT
12.	4B-4276 C	[8]	WASHER
13.	2G-9266	[1]	CUP
14.	6G-0839	[1]	STRIP
15.	2G-6087	[5]	BUTTON
16.	2G-5581	[1]	LINER
	B		USE AS REQUIRED
	Y		SEPARATE ILLUSTRATION
	C		INDICATES CHANGE
	D		ORDER BY THE METER

#SEBP10621005

2G-3010: ROPS GP

ROPS GP

2G3010 ROLL-OVER PROTECTIVE STRUCTURE GROUP--Enclosed--Part 1 of 3--
Type 1
R.H. Side View. AN ATTACHMENT

c213399 SEBP1062

For full view, you need register

Parts for your 631D WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2G-4480 J	[1]	WINDOW GROUP (vent)
			(Includes)
	5P-5625 H		SEAL 1.91 m(75.20 in.)
2.	2G-4449	[1]	GLASS (tinted)
3.	5M-5845	[12]	SCREW
	4L-1250	[12]	NUT
4.	5P-5643 H		SEAL 3.74 m(147.04 in.)
5.	5P-5642 H		SEAL 2.18 m(85.75 in.)
6.	2G-3527	[1]	GLASS (tinted)
7.	5P-5642 H		SEAL 2.18 m(85.75 in.)
8.	2G-2959	[1]	GLASS (tinted)
9.	9D-1721	[1]	GLASS (tinted)
10.	5P-5642 H		SEAL 3.40 m(134 in.)
11.	8D-7253	[1]	STOP
12.	9D-9778	[2]	STRAP
13.	1H-8299	[2]	SCREW
14.	1B-4330	[6]	NUT
	3B-4504	[6]	LOCKWASHER
	4B-4276	[6]	WASHER
15.	5P-5637 H		SEAL 1.32 m(52.01 in.)
16.	5B-5620	[2]	BOLT
	1D-4716	[2]	NUT
	3B-4505	[2]	LOCKWASHER
	4B-4277	[4]	WASHER
17.	9D-8031	[6]	SHIM
18.	0L-1351	[2]	BOLT
	4B-4278	[2]	WASHER
19.	3B-4506	[4]	LOCKWASHER
20.	1H-2387 C	[4]	SCREW
	3B-4502	[4]	LOCKWASHER
21.	1D-4717	[2]	NUT
	1A-4784	[2]	WASHER
22.	2G-5564	[1]	LINER
23.	2G-6087	[3]	BUTTON
24.	6H-1717	[2]	BOLT
	1D-4719	[2]	NUT
	3B-4508	[2]	LOCKWASHER
25.	9D-4409	[1]	BRACKET ASSEM.
26.	9D-1508	[1]	HINGE
	4B-1282	[11]	SCREW
27.	6D-6581	[13]	RIVET
28.	9D-7955	[1]	PLATE
29.	9D-8848	[1]	LATCH
30.	9D-7369	[1]	CATCH

			AVAILABLE REPAIR KITS:

	220-3649 J	[1]	KIT-HANDLE (INCLUDES CATCH, LOCK, NUT, PLATE, & SCREWS)
	5T-9734 J	[1]	KIT-FRAME PIVOT (INCLUDES TIE BARS, PINS, & HARDWARE)
	C		INDICATES CHANGE
	H		ORDER BY THE METRE
	J		KITS MARKED J SERVICE PART MARKED J

#SEBP10621006

2G-3010: ROPS GP

ROPS GP

2G3010 ROLL-OVER PROTECTIVE STRUCTURE GROUP--Enclosed--Part 2 of 3--
Type 1
R.H. Side View. 9D1897 Window parts are shown on Page 217. AN ATTACHMENT

c237345 SEBP1062

For full view, you need register

Parts for your 631D WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1621	[4]	BOLT
	3B-4508	[4]	LOCKWASHER
2.	3D-7939	[1]	GRAB IRON
3.	6D-1093	[1]	GRAB IRON
4.	2G-2963	[1]	SUPPORT ASSEM.
			(Includes)
	7D-4322	[1]	GRAB IRON
5.	6B-6946	[4]	BOSS
6.	8F-9836 C	[3]	LUG
7.	3H-4776	[5]	BOSS
8.	9F-6445	[8]	NUT (weld)
9.	3P-3604	[5]	STUD
10.	6D-1064	[1]	SEAL
11.	9D-1494	[1]	GLASS (tinted)
12.	9D-8607	[1]	PLATE ASSEM.
	9D-8603	[1]	SEAL
13.	1D-4717	[18]	NUT
14.	3B-4506	[21]	LOCKWASHER
15.	4B-4278	[24]	WASHER
16.	2G-6087	[5]	BUTTON
17.	2G-5581	[1]	LINER
18.	0T-0102	[3]	BOLT
19.	9D-7193	[1]	ANGLE
20.	9D-8604	[1]	PLATE ASSEM.
	9D-8602	[1]	SEAL
21.	9D-1897 Y	[1]	WINDOW GROUP
			(Separate Illustration)
22.	6D-0735	[1]	SEAL
23.	5P-5641 H		SEAL 1.17 m(46.06 in.)
24.	9D-1737	[1]	SUPPORT
25.	9D-1743	[1]	SECTION ASSEM.
	5P-5934 H		SEAL 1.30 m(50.99 in.)
26.	6F-7036	[16]	BOLT
	9H-1031	[16]	WASHER
27.	2G-5567	[1]	LINER
	7J-8814 FC	[1]	PLUG (to horn)
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION
	F		NOT SHOWN
	H		ORDER BY THE METER

#SEBP10621007

2G-3010: ROPS GP

ROPS GP

2G3010 ROLL-OVER PROTECTIVE STRUCTURE GROUP--Enclosed--Part 3 of 3
Rear View--Type 1
AN ATTACHMENT

c208986 SEBP1062

For full view, you need register

Parts for your 631D WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5P-5642 H		SEAL 2.79 m(110 in.)
2.	2G-3204	[1]	GLASS (tinted)
3.	0S-0509	[6]	BOLT
	3B-4506	[6]	LOCKWASHER
	4B-4278	[6]	WASHER
4.	2G-2698	[1]	DOOR ASSEM.
			(Includes)
	1F-4910	[1]	GRAB IRON
5.	5B-8855	[2]	PLATE
6.	3H-4776	[1]	BOSS
7.	3K-6583	[2]	BEARING
8.	1F-6290	[3]	BOSS
9.	2D-6416	[1]	WASHER
10.	4B-4279	[1]	WASHER
11.	3B-4609	[5]	COTTER PIN
12.	4M-4943	[2]	LEVER
	3K-6583	[2]	BEARING
	3K-4897	[2]	PIN
13.	2G-2702	[1]	ARM
14.	5D-2751	[2]	WASHER (spring)
	4L-6499	[2]	WASHER (plain)
15.	2G-2592	[1]	PLATE
16.	9S-1303	[2]	PIN
	8D-0297	[2]	WASHER (spring)
	4B-4276	[6]	WASHER (plain)
17.	2G-2588	[1]	PIN
18.	2G-2700	[1]	HANDLE GROUP
			(Includes)
19.	2G-1674	[2]	KEY
20.	2G-2745	[1]	COVER ASSEM.
21.	2G-2704	[1]	ROD
22.	2G-2701	[1]	COVER
23.	5P-5934 H		SEAL .44 m(17.32 in.)
24.	2H-6120	[2]	SCREW
	H		ORDER BY THE METRE

#SEBP10621008

2G-3010: ROPS GP

ROPS GP

2G3010 ROLL-OVER PROTECTIVE STRUCTURE GROUP--Enclosed--
R.H. Side View--Part 1 of 3--Type 2
AN ATTACHMENT

c225981 SEBP1062

For full view, you need register

Parts for your 631D WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2G-4480 J	[1]	WINDOW GROUP (vent)
			(Includes)
	5P-5625 H		SEAL 1.91 m(75.20 in.)
2.	2G-4449	[1]	GLASS (tinted)
3.	5M-5845	[12]	SCREW
	4L-1250	[12]	NUT
4.	5P-5643 H		SEAL 3.74 m(147.04 in.)
5.	5P-5642 H		SEAL 2.18 m(85.75 in.)
6.	2G-3527	[1]	GLASS (tinted)
7.	5P-5642 H		SEAL 2.18 m(85.75 in.)
8.	2G-2959	[1]	GLASS (tinted)
9.	9D-1721	[1]	GLASS (tinted)
10.	5P-5642 H		SEAL 3.40 m(134 in.)
11.	8D-7253	[1]	STOP
12.	9D-9778	[2]	STRAP
13.	1H-8299	[2]	SCREW
14.	1B-4330	[6]	NUT
	3B-4504	[6]	LOCKWASHER
	4B-4276	[6]	WASHER
15.	5P-5637 H		SEAL 1.32 m(52.01 in.)
16.	5B-5620	[2]	BOLT
	1D-4716	[2]	NUT
	3B-4505	[2]	LOCKWASHER
	4B-4277	[4]	WASHER
17.	9D-8031	[6]	SHIM
18.	0L-1351	[2]	BOLT
	4B-4278	[2]	WASHER
19.	3B-4506 C	[2]	LOCKWASHER
20.	1H-2387	[4]	SCREW
	3B-4502	[4]	LOCKWASHER
21.	2K-4973 C	[2]	LOCKNUT
	9L-9132 C	[2]	WASHER
22.	2G-5564	[1]	LINER
23.	2G-6087	[3]	BUTTON
24.	6H-1717	[2]	BOLT
	1D-4719	[2]	NUT
	3B-4508	[2]	LOCKWASHER
25.	9D-4409	[1]	BRACKET ASSEM.
26.	9D-1508	[1]	HINGE
	4B-1282	[11]	SCREW
27.	6D-6581	[13]	RIVET
28.	9D-7955	[1]	PLATE
29.	9D-8848	[1]	LATCH
30.	9D-7369	[1]	CATCH

			AVAILABLE REPAIR KITS:

	220-3649 J	[1]	KIT-HANDLE (INCLUDES CATCH, LOCK, NUT, PLATE, & SCREWS)
	5T-9734 J	[1]	KIT-FRAME PIVOT (INCLUDES TIE BARS, PINS, & HARDWARE)
	C		INDICATES CHANGE
	H		ORDER BY THE METER
	J		KITS MARKED J SERVICE PART MARKED J

#SEBP10621009

2G-3010: ROPS GP

ROPS GP

2G3010 ROLL-OVER PROTECTIVE STRUCTURE GROUP--Enclosed--
R.H. Side View--Part 2 of 3--Type 2
9D1897 Window parts are shown on Page 217
AN ATTACHMENT

c237346 SEBP1062

For full view, you need register

Parts for your 631D WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1621	[4]	BOLT
	3B-4508	[4]	LOCKWASHER
2.	3D-7939	[1]	GRAB IRON
3.	6D-1093	[1]	GRAB IRON
4.	2G-2963	[1]	SUPPORT ASSEM.
			(Includes)
	7D-4322	[1]	GRAB IRON
5.	6B-6946	[4]	BOSS
6.	8F-9836 C	[3]	LUG
7.	3H-4776 C	[8]	BOSS
8.	9F-6445	[8]	NUT (weld)
9.	3P-3604	[5]	STUD
10.	6G-6541 C	[1]	VENT
11.	2G-9265 C	[2]	BRACKET
12.	9D-8607	[1]	PLATE ASSEM.
	9D-8603	[1]	SEAL
13.	1D-4717	[18]	NUT
14.	3B-4506	[21]	LOCKWASHER
15.	4B-4278	[24]	WASHER
16.	2G-6087	[5]	BUTTOM
17.	2G-5581	[1]	LINER
18.	0T-0102	[3]	BOLT
19.	9D-7193	[1]	ANGLE
20.	9D-8604	[1]	PLATE ASSEM.
	9D-8602	[1]	SEAL
21.	9D-1897 Y	[1]	WINDOW GROUP
			(Separate Illustration)
22.	6D-0735	[1]	SEAL
23.	5P-5641 H		SEAL 1.17m(46.06 in.)
24.	9D-1737	[1]	SUPPORT
25.	9D-1743	[1]	SECTION ASSEM.
	5P-5934 H		SEAL 1.30m(50.99 in.)
26.	6F-7036	[16]	BOLT
	9H-1031	[16]	WASHER
27.	2G-5567	[1]	LINER
28.	6D-1064	[1]	SEAL
29.	9D-1494	[1]	GLASS (tinted)
30.	7D-5042 C	[2]	GRAB IRON
	7J-8814 J	[1]	PLUG (to horn)
	C		INDICATES CHANGE
	J		NOT SHOWN
	H		ORDER BY THE METER
	Y		SEPARATE ILLUSTRATION