3G2834 CARTRIDGE GROUP--25 GPM Part of 9J5049 Vane Pump shown on Page 275 Serial No. 25U1839-Up 966C

HYDRAULIC SYSTEM

PUMP GP

0. 3G-2834 CARTRIDGE
1. 3G-2237 CARTRIDGE

KICKOUT & POSITIONER GP

2. 5K-3626 KICKOUT GP
3. 5K-3626 KICKOUT GP
4. 5K-3626 KICKOUT GP

BRAKING SYSTEM

CYLINDER GP

5. 5K-2783 MASTER CYL

HYDRAULIC SYSTEM

KICKOUT & POSITIONER GP

6. 5K-3626 KICKOUT GP

BRAKING SYSTEM

CYLINDER GP

7. 4V-7308 CYLINDER A

HYDRAULIC SYSTEM

KICKOUT & POSITIONER GP

8. 6K-1391 POSITIONER
9. 6K-1391 POSITIONER
0. INFORMATION

WHEEL LOADER 966C WHEEL LOADER 25U
966C WHEEL LOADER 25U01186-UP (MACHINE) POWERED BY 3306 ENGINE ZEBP0563 966C 25U (1980)

HYDRAULIC SYSTEM

PUMP GP

9K-4421 PUMP GP-HYDRAULIC

7J-0608 HYDRAULIC PUMP ASSEMBLY

9J-5049 PUMP GP-VANE

3G-2834 CARTRIDGE GP

3G-2237 CARTRIDGE GP

#ZEBP05630440

3G-2834: CARTRIDGE GP

CARTRIDGE GP

3G2834 CARTRIDGE GROUP--25 GPM
Part of 9J5049 Vane Pump shown on Page 275
Serial No. 25U1839-Up

c213346 ZEBP0563

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3G-1264	[4]	RETAINER
2.	3G-1265	[4]	SEAL
3.	2J-8163	[1]	SEAL
4.	3G-1820	[1]	SEAL
5.	4J-9225	[1]	RING
6.	1H-5728	[1]	SEAL

#ZEBP05630441

3G-2237: CARTRIDGE GP

CARTRIDGE GP

3G2237 CARTRIDGE GROUP--57 GPM
Part of 9J5049 Vane Pump shown on Page 275
Serial No. 25U1839-Up

c164932 ZEBP0563

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3G-2241	[4]	RETAINER
2.	3G-2240	[4]	SEAL
3.	2H-3935	[1]	SEAL
4.	3G-2242	[1]	RING
5.	1S-0668	[1]	RING
6.	6H-3977	[1]	SEAL

#ZEBP05630442

5K-3626: KICKOUT GP

KICKOUT GP

5K3626 KICKOUT GROUP
Serial No. 25U1186 to 25U1697 inclusive
5K2783 Cylinder parts are shown on Page 278

c102056 ZEBP0563

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
0S-1621	[3]	BOLT
038-4508	[3]	LOCKWASHER
5K-2668	[1]	BRACKET
2A-3223	[1]	BOLT
5B-2383	[1]	NUT
5K-3416	[1]	CAM
1A-2029	[4]	BOLT
3B-4506	[4]	LOCKWASHER
0T-0431	[4]	WASHER
5K-2664	[1]	BRACKET
5K-2783 Y	[1]	CYLINDER ASSEM
		(See Separate Illustration)
5K-2649	[1]	NUT
5K-2650	[1]	SLEEVE
		(Parts of Fitting 5K6186)
5K-6186	[1]	FITTING
4K-8599	[1]	WASHER
5K-3702	[1]	FITTING
1J-9671	[1]	SEAL
		(Part of Fitting 5K3702)
5K-4764	[1]	FITTING
5K-2651	[2]	NUT
5K-2650	[2]	SLEEVE
		(1 of each in each Fitting 5K4764 AND 5K3702)
5K-3688	[2]	SPRING
3S-2093	[1]	TIE
4K-0640	[1]	CLIP
5K-3025	[1]	TUBE (63" Long)
5K-8649	[4]	INSERT
5K-3025	[1]	TUBE (175" Long)
Y		SEPARATE ILLUSTRATION

#ZEBP05630443

5K-3626: KICKOUT GP

KICKOUT GP

5K3626 KICKOUT GROUP
Serial No. 25U1698 to 25U1884 inclusive
5K2783 Cylinder parts are shown on Page 278

c228378 ZEBP0563

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
0S-1621	[3]	BOLT
3B-4508	[3]	LOCKWASHER
5K-2668	[1]	BRACKET
2A-3223	[1]	BOLT
5B-2383	[1]	NUT
5K-3416	[1]	CAM
1A-2029	[4]	BOLT
3B-4506	[4]	LOCKWASHER
0T-0431	[4]	WASHER
5K-2664	[1]	BRACKET
5K-2783 Y	[1]	CYLINDER ASSEM.
		(See Separate Illustration)
1P-0266 C	[1]	NUT
1P-0267 C	[1]	SLEEVE
5P-5526 C	[1]	CONNECTOR
001-7025 C	[1]	CONNECTOR
3V-2053 C	[1]	HOSE ASSEM.
6K-9354 C	[1]	CONNECTOR
1J-9671 C	[1]	SEAL
1P-0268 C	[1]	CONNECTOR
1P-0266 C	[1]	NUT
1P-0267 C	[1]	SLEEVE
1J-9671 C	[1]	SEAL
5P-3917 C	[1]	ELBOW
6K-6967 C	[1]	ADAPTER
1P-0266 C	[1]	NUT
1P-0267 C	[1]	SLEEVE
5K-3688	[2]	SPRING
3S-2093	[1]	TIE
4K-0640	[1]	CLIP
5P-6015 HC		TUBE 1.6 m(63 in.)
5K-8649	[4]	INSERT
5P-6015 HC		TUBE 2.67 m(105 in.)
C		INDICATES CHANGE
Y		SEPARATE ILLUSTRATION
H		ORDER BY THE METER

#ZEBP05630444

5K-3626: KICKOUT GP

KICKOUT GP

5K3626 KICKOUT GROUP
Serial No. 25U1885 to 25U2627 inclusive
5K2783 Cylinder parts are shown on Page 278

c228379 ZEBP0563

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
0S-1621	[3]	BOLT
3B-4508	[3]	LOCKWASHER
5K-2668	[1]	BRACKET
2A-3223	[1]	BOLT
5B-2383	[1]	NUT
5K-3416	[1]	CAM
1A-2029	[4]	BOLT
3B-4506	[4]	LOCKWASHER
0T-0431	[4]	WASHER
5K-2664	[1]	BRACKET
5K-2783 Y	[1]	CYLINDER ASSEM.
		(See Separate Illustration)
1P-0266	[1]	NUT
1P-0267	[1]	SLEEVE
5P-5526	[1]	CONNECTOR
001-7025	[1]	CONNECTOR
3V-2053	[1]	HOSE ASSEM.
6K-9354	[1]	CONNECTOR
4K-8599	[1]	WASHER
5K-3702 C	[1]	FITTING
1J-9671	[1]	SEAL
		(Part of Fitting 5K3702)
5K-4764 C	[1]	FITTING
5K-2651	[2]	NUT
5K-2650	[2]	SLEEVE
		(1 of each in each Fitting 5K4764 AND 5K3702)
5K-4201	[2]	SPRING
3S-2093	[1]	TIE
4K-0640	[1]	CLIP
5P-6015 H		TUBE 1.6m(63 in.)
5K-8649	[4]	INSERT
5P-6015 HC		TUBE 2.67m(105in.)
C		INDICATES CHANGE
Y		SEPARATE ILLUSTRATION
H		ORDER BY THE METER

#ZEBP05630445

5K-2783: MASTER CYLINDER ASSEMBLY

MASTER CYLINDER ASSEMBLY

5K2783 MASTER CYLINDER ASSEMBLY
Serial No. 25U1186 to 25U2627 inclusive
Part of 5K3626 Kickout Group shown on Pages 277 & 278

c223158 ZEBP0563

5K2783 MASTER CYLINDER ASSEMBLY Parts scheme

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1615	[4]	BOLT
	3B-4504	[4]	LOCKWASHER
2.	5K-2444	[1]	PLUG
	3K-6906	[1]	GASKET
3.	5K-2671	[1]	VALVE
	5K-2670	[1]	GASKET
4.	5K-2438	[1]	COVER
	5K-4753	[1]	GASKET
5.	4K-2388	[1]	SPRING & RETAINER ASSEM
6.	3K-6879 H	[1]	CUP
7.	6F-4855 H	[1]	SEAL
8.	3K-6800	[1]	ROLLER
9.	4H-8380	[1]	PIN
10.	4K-2384	[1]	PISTON
11.	4K-2389 H	[1]	SEAL
12.	3K-6878	[1]	SCREW
	3K-6896	[1]	GASKET
			THE FOLLOWING REPAIR KIT IS AVAILABLE:
	1S-1838	[1]	KIT (Master Cylinder)
			(Consists of Parts Marked h)

#ZEBP05630446

5K-3626: KICKOUT GP

KICKOUT GP

5K3626 KICKOUT GROUP
Serial No. 25U2628-Up
4V7308 Cylinder parts are shown on Page 278B

c224053 ZEBP0563

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1621	[3]	BOLT
	3B-4508	[3]	LOCKWASHER
2.	5K-2668	[1]	BRACKET
3.	2A-3223	[1]	BOLT
	5B-2383	[1]	NUT
4.	5K-3416	[1]	CAM
5.	1A-2029	[4]	BOLT
	3B-4506	[4]	LOCKWASHER
	0T-0431	[4]	WASHER
6.	5K-2664	[1]	BRACKET
7.	4V-7308 YC	[1]	CYLINDER ASSEM.
			(Separate Illustration)
8.	5K-4764	[1]	FITTING
			(Includes)
	5P-9111 C	[1]	NUT ASSEM.
9.	5K-3702	[1]	FITTING
			(Includes)
	1J-9671	[1]	SEAL
	5P-9111	[1]	NUT ASSEM.
10.	5K-4201	[2]	SPRING
11.	3S-2093 C	[2]	STRAP
12.	4K-0640	[1]	CLIP
13.	5P-6015 CH		TUBE 2.44 m(96.07 in.)
	5K-8649	[4]	INSERT
14.	1P-0266	[1]	NUT
	1P-0267	[1]	SLEEVE
15.	5P-5526	[1]	CONNECTOR
16.	001-7025	[1]	CONNECTOR
17.	3V-2053	[1]	HOSE ASSEM. 178 cm(70 in.)
18.	6K-9354	[1]	CONNECTOR
	4K-8599 C	[1]	WASHER
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION
	H		ORDER BY THE METER

#ZEBP05630447

4V-7308: CYLINDER AS-MASTER

CYLINDER AS-MASTER

4V7308 MASTER CYLINDER ASSEMBLY
Serial No. 25U2628-Up
Part of 5K3626 Kickout Group shown on Page 278A

c223159 ZEBP0563

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1615	[4]	BOLT
	3B-4504	[4]	LOCKWASHER
2.	5K-2444	[1]	PLUG
	3K-6906	[1]	GASKET
3.	4V-7312	[1]	VALVE
	5K-2670	[1]	GASKET
4.	5K-2438	[1]	COVER
	5K-4753	[1]	GASKET
5.	4K-2388	[1]	SPRING & RETAINER ASSEM.
6.	3K-6879 H	[1]	CUP
7.	6F-4855 H	[1]	SEAL
8.	3K-6800	[1]	ROLLER
9.	4H-8380	[1]	PIN
10.	4V-7256	[1]	PISTON
11.	4K-2389 H	[1]	SEAL
12.	3K-6878	[1]	SCREW
	3K-6896	[1]	GASKET
			THE FOLLOWING REPAIR KIT IS AVAILABLE:
	1S-1838	[1]	KIT (Master Cylinder)
			(Includes Parts Marked h)

#ZEBP05630448

6K-1391: POSITIONER GP

POSITIONER GP

6K1391 BUCKET POSITIONER GROUP
5K2446 Cylinder parts are shown on Page 282
Serial No. 25U1186 to 25U1557

c157671 ZEBP0563

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
3S-2093	[2]	TIE
6K-7403	[1]	BRACKET
4K-6177	[1]	CLIP
3K-5574	[2]	SCREW
4K-4805	[2]	SPRING
8K-9509 C	[1]	SHAFT
8M-2772	[2]	CLIP
0S-0509	[2]	BOLT
3B-4506	[2]	LOCKWASHER
5K-2674	[1]	FITTING
4S-8766	[7 FEET]	TUBE
5K-8649	[6]	INSERT
5K-2649	[1]	NUT
5K-2650	[1]	SLEEVE
5K-2651	[2]	NUT
5K-2650	[2]	SLEEVE
		(PARTS OF FITTING 5K2674)
5K-2649	[1]	NUT
5K-2650	[1]	SLEEVE
		(PARTS OF FITTING 5K6186)
5K-6186	[1]	FITTING
4K-8599	[1]	WASHER
0S-1595	[1]	BOLT
3B-4508	[1]	LOCKWASHER
4K-6177	[1]	CLIP
0T-0102	[1]	BOLT
3B-4506	[1]	LOCKWASHER
1D-4669	[2]	BOLT
1B-4330	[2]	NUT
3B-4504	[2]	LOCKWASHER
4B-4276	[2]	WASHER
7K-1864 C	[1]	SEAL
4S-8766	[15 FEET]	TUBE
		(TO HYDRAULIC TANK)
4S-8766	[7 FEET]	TUBE
		(TO FITTING)
5K-5333	[1]	STRIP
5K-5334	[1]	PLATE ASSEM
5K-2649	[1]	NUT
5K-2650	[1]	SLEEVE
		(PARTS OF FITTING 6K6628)
6K-6628	[1]	FITTING
3K-8767	[1]	GASKET
5K-2446 Y	[1]	CYLINDER ASSEM
		(SEPARATE ILLUSTRATION)
5K-2708	[1]	FITTING
5K-2649	[1]	NUT
5K-2650	[1]	SLEEVE
		(PARTS OF FITTING 5K2708)
0S-1588	[2]	BOLT
3B-4506	[2]	LOCKWASHER
0T-0431	[1]	WASHER
1D-4669 C	[2]	BOLT
1B-4330	[2]	NUT
3B-4504	[2]	LOCKWASHER
8K-9506 C	[1]	BEARING
3K-1557	[1]	CAM
4K-4299	[1]	CAM
8K-9512	[1]	TUBE ASSEM
3K-1551	[1]	BOLT
6F-7059	[1]	WASHER
3B-8489	[1]	FITTING
8K-9507 C	[1]	BEARING
6K-0806	[10]	TIE
		(Use as Required)
C		INDICATES CHANGE
Y		SEPARATE ILLUSTRATION

#ZEBP05630449

6K-1391: POSITIONER GP

POSITIONER GP

6K1391 BUCKET POSITIONER GROUP
5K2446 Cylinder parts are shown on Page 282
Serial No. 25U1558 to 25U1697

c158222 ZEBP0563

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
3S-2093	[2]	TIE
6K-7403	[1]	BRACKET
4K-6177	[1]	CLIP
3K-5574	[2]	SCREW
4K-4805	[2]	SPRING
8K-9509	[1]	SHAFT
8M-2772	[2]	CLIP
0S-0509	[2]	BOLT
3B-4506	[2]	LOCKWASHER
5P-4252 C	[1]	TEE
4S-8766	[7FEET]	TUBE
5K-8649	[6]	INSERT
1P-0266 C	[1]	NUT
1P-0267 C	[1]	SLEEVE
1P-0266 C	[2]	NUT
1P-0267 C	[2]	SLEEVE
5K-2649	[1]	NUT
5K-2650	[1]	SLEEVE
		(PARTS OF FITTING 5K6186)
5K-6186	[1]	FITTING
4K-8599	[1]	WASHER
0S-1595	[1]	BOLT
3B-4508	[1]	LOCKWASHER
4K-6177	[1]	CLIP
0T-0102	[1]	BOLT
3B-4506	[1]	LOCKWASHER
1D-4669	[2]	BOLT
1B-4330	[2]	NUT
3B-4504	[2]	LOCKWASHER
4B-4276	[2]	WASHER
7K-1864	[1]	SEAL
4S-8766	[15 FEET]	TUBE
		(TO HYDRAULIC TANK)
4S-8766	[7 FEET]	TUBE
		(TO FITTING)
5K-5333	[1]	STRIP
5K-5334	[1]	PLATE ASSEM
5K-2649	[1]	NUT
5K-2650	[1]	SLEEVE
		(PARTS OF FITTING 6K6628)
6K-6628	[1]	FITTING
3K-8767	[1]	GASKET
5K-2446 Y	[1]	CYLINDER ASSEM
		(SEPARATE ILLUSTRATION)
5K-2708	[1]	FITTING
5K-2649	[1]	NUT
5K-2650	[1]	SLEEVE
		(PARTS OF FITTING 5K2708)
0S-1588	[2]	BOLT
3B-4506	[2]	LOCKWASHER
0T-0431	[1]	WASHER
1D-4669	[2]	BOLT
1B-4330	[2]	NUT
3B-4504	[2]	LOCKWASHER
8K-9506	[1]	BEARING
3K-1557	[1]	CAM
4K-4299	[1]	CAM
8K-9512	[1]	TUBE ASSEM
3K-1551	[1]	BOLT
6F-7059	[1]	WASHER
3B-8489	[1]	FITTING
8K-9507	[1]	BEARING
6K-0806	[10]	TIE
		(Use as Required)
C		INDICATES CHANGE
Y		SEPARATE ILLUSTRATION

Information:

HYDRAULIC SYSTEM

PUMP GP

Special Instruction

Installation Of 7V544 Hydraulic Pump Access Group{5055, 7255}
Installation Of 7V544 Hydraulic Pump Access Group{5055, 7255}

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Nexus Gear Pump Porting{5073}
Nexus Gear Pump Porting{5073}

Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}

Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}

Vane Type Hydraulic Pump Identification Guidelines {5055}
Vane Type Hydraulic Pump Identification Guidelines {5055}

Specifications

Hydraulic Pump<BR> (6J8826)
966 WHEEL LOADER STEERING SYSTEM

Hydraulic Pump<BR> (7J608)
966 WHEEL LOADER STEERING SYSTEM

Hydraulic Pump<BR> (6J8826)
966C WHEEL LOADER HYDRAULIC SYSTEM

Hydraulic Pump<BR> (7J608)
966C WHEEL LOADER HYDRAULIC SYSTEM

Tool Operating Manual

Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

Reuse And Salvage Guidelines

Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}

Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}

Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}

Vane Type Hydraulic Pump Identification Guidelines {5055}
Vane Type Hydraulic Pump Identification Guidelines {5055}

General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}

Thermal Spray Procedures for Tyrone Drive Shaft (Pump Gear){0679, 3066, 5073}
Thermal Spray Procedures for Tyrone Drive Shaft (Pump Gear){0679, 3066, 5073}

Bench Test Procedures

Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}

Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Vane Pumps {5055}

Disassembly and Assembly

Hydraulic Pump
966 WHEEL LOADER VEHICLE SYSTEMS

Service Magazine

Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25

Caterpillar Parts SIS Catalog 966C :

9J-5049 PUMP GP-VANE

7J-0608 HYDRAULIC PUMP ASSEMBLY

9K-4421 PUMP GP-HYDRAULIC

7K-8988 LINES GP-CYLINDER

3G-2237 CARTRIDGE GP

5K-3626 KICKOUT GP

5K-2783 MASTER CYLINDER ASSEMBLY

5K-3626 KICKOUT GP

4V-7308 CYLINDER AS-MASTER

6K-1391 POSITIONER GP

Truck sale:

Caterpillar 966C
- Wheel Loaders
PETERSON TRACTOR CO

30,547

Caterpillar 966C, Wheel Loaders, Construction
- Wheel Loaders
FINNING CANADA

31,209

Caterpillar 966C, Wheel Loaders, Construction

35,551

Caterpillar 966C, Wheel Loaders, Construction

FINNING CANADA

28.000

Caterpillar 966C, Wielladers, Bouw
- Wheel loaders
MICHIGAN CAT