9J3929 UNLOADING VALVE GROUP Part of 9J3928 Pilot Operated Control Valve Group shown on Page 216 633D

HYDRAULIC SYSTEM

VALVE GP-UNLOADING

0. 9J-3929 VALVE GP-U

CYLINDER GP

1. 8J-9959 CYLINDER G

PUMP GP

2. 9D-2970 PUMP GP-VA
3. 9D-2965 VANE PUMP
4. 9D-2970 PUMP GP-VA
5. 9D-2965 VANE PUMP
6. 9D-2970 PUMP GP-VA
7. 6G-1610 PUMP GP-VA
8. 9D-2960 VANE PUMP
9. 6G-1615 PUMP GP-VA
0. INFORMATION

WHEEL TRACTOR 633D WHEEL TRACTOR 25W
633D TRACTOR 25W00001-UP (MACHINE) POWERED BY 3408 ENGINE SEBP1060 633D 25W (1975)

HYDRAULIC SYSTEM

VALVE GP-UNLOADING

9J-3929 VALVE GP-UNLOADING

#SEBP10601050

9J-3929: VALVE GP-UNLOADING

VALVE GP-UNLOADING

9J3929 UNLOADING VALVE GROUP
Part of 9J3928 Pilot Operated Control Valve Group shown on Page 216

c208322 SEBP1060

For full view, you need register

Parts for your 633D WHEEL TRACTOR:

Pos.	Part No	Qty	Parts name
1.	9J-3930	[1]	PLUG
	6F-6677	[1]	SPRING
2.	2S-4078	[2]	SEAL
3.	9S-6130	[1]	PLUG

#SEBP10601051

8J-9959: CYLINDER GP-LOAD

CYLINDER GP-LOAD

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

c208307 SEBP1060

For full view, you need register

Parts for your 633D WHEEL TRACTOR:

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

#SEBP10601052

9D-2970: PUMP GP-VANE

PUMP GP-VANE

9D2970 VANE PUMP GROUP -- Elevator-Scraper
Serial No. 25W1 to 25W638 inclusive
9J440 Pump parts are shown on Pages 223 and 223A

c208518 SEBP1060

For full view, you need register

Parts for your 633D WHEEL TRACTOR:

Pos.	Part No	Qty	Parts name
1.	9J-0440 Y	[1]	PUMP GROUP
			(Separate Illustration)
2.	5F-3999	[1]	SEAL
3.	0S-1566	[2]	BOLT
	3B-4510	[2]	LOCKWASHER
	Y		SEPARATE ILLUSTRATION

#SEBP10601053

9D-2965: VANE PUMP GROUP

VANE PUMP GROUP

9D2965 VANE PUMP GROUP -- Elevator-Elevator
Serial No. 25W1 to 25W635 inclusive
9J694 Pump parts are shown on Pages 224 & 224A

c208516 SEBP1060

For full view, you need register

Parts for your 633D WHEEL TRACTOR:

Pos.	Part No	Qty	Parts name
1.	9J-0694 Y	[1]	PUMP GROUP
			(Separate Illustration)
2.	5F-3999	[1]	SEAL
3.	8D-4347	[1]	COUPLING
	2D-6417	[1]	RING
4.	0S-1566	[2]	BOLT
	3B-4510	[2]	LOCKWASHER
	Y		SEPARATE ILLUSTRATION

#SEBP10601054

9D-2970: PUMP GP-VANE

PUMP GP-VANE

9D2970 VANE PUMP GROUP--Elevator-Scraper
Serial No. 25W639 to 25W713 inclusive
3G7632 Pump parts are shown on Page 223C

c178659 SEBP1060

For full view, you need register

Parts for your 633D WHEEL TRACTOR:

Pos.	Part No	Qty	Parts name
1.	3G-7632 YC	[1]	PUMP GROUP
			(Separate Illustration)
2.	5F-3999	[1]	SEAL
3.	0S-1566	[2]	BOLT
	3B-4510	[2]	LOCKWASHER
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION

#SEBP10601055

9D-2965: VANE PUMP GROUP

VANE PUMP GROUP

9D2965 VANE PUMP GROUP--Elevator-Elevator
Serial No. 25W636 to 25W702 inclusive
3G7633 Pump parts are shown on Page 224C

c179131 SEBP1060

For full view, you need register

Parts for your 633D WHEEL TRACTOR:

Pos.	Part No	Qty	Parts name
1.	3G-7633 CJ	[1]	PUMP GROUP
2.	5F-3999	[1]	SEAL
3.	8D-4347	[1]	COUPLING
	2D-6417	[1]	RING
4.	0S-1566	[2]	BOLT
	3B-4510	[2]	LOCKWASHER
	C		INDICATES CHANGE
	J		SEPARATE ILLUSTRATION

#SEBP10601056

9D-2970: PUMP GP-VANE

PUMP GP-VANE

9D2970 VANE PUMP GROUP--Elevator-Scraper
Serial No. 25W714-Up
1U422 Pump parts are shown on Page 223F

c179226 SEBP1060

For full view, you need register

Parts for your 633D WHEEL TRACTOR:

Pos.	Part No	Qty	Parts name
1.	1U-0422 Y	[1]	PUMP GROUP
			(Separate Illustration)
2.	5F-3999	[1]	SEAL
3.	0S-1566	[2]	BOLT
	3B-4510	[2]	LOCKWASHER
	Y		SEPARATE ILLUSTRATION

#SEBP10601057

6G-1610: PUMP GP-VANE

PUMP GP-VANE

6G1610 VANE PUMP GROUP--Elevator-Cushion Hitch
Serial No. 25W703-Up
3G6826 Pump parts are shown on Page 224E

c179032 SEBP1060

For full view, you need register

Parts for your 633D WHEEL TRACTOR:

Pos.	Part No	Qty	Parts name
1.	3G-6826 CY	[1]	PUMP GROUP
			(Separate Illustration)
2.	5F-3999	[1]	SEAL
3.	8D-4347	[1]	COUPLING
	2D-6417	[1]	RING
4.	030-7335	[2]	BOLT
	5P-8247	[2]	WASHER
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION