7S9461 GEAR PUMP GROUP - Double Section Part of 8S5022 Oil Pump shown on Page 93 Serial No. 25U1 to 25U903 966C

LUBRICATION SYSTEM

PUMP GP-ENGINE OIL

0. 7S-9461 GEAR PUMP
1. 2P-1785 PUMP GP-EN

ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP

2. 2Y-1921 STARTING M

LIGHTING GP

3. 1M-3387 LAMP GP

STARTING MOTOR GP

4. 2Y-1920 STARTING M

ALTERNATOR GP-CHARGING

5. 8S-5152 ALTERNATOR
6. 2P-7836 ALTERNATOR
7. 2Y-1919 ALTERNATOR
8. 2Y-2962 ALTERNATOR
9. 2P-1204 ALTERNATOR
0. INFORMATION

WHEEL LOADER 966C WHEEL LOADER 25U
966C WHEEL LOADER 25U00001-01185 (MACHINE) POWERED BY 3306 ENGINE ZEBP0562 966C 25U (1980)

LUBRICATION SYSTEM

PUMP GP-ENGINE OIL

8S-5022 OIL PUMP

2P-1784 PUMP GP-ENGINE OIL

7S-9461 GEAR PUMP GROUP

2P-1785 PUMP GP-ENGINE OIL

#ZEBP05620110

7S-9461: GEAR PUMP GROUP

GEAR PUMP GROUP

7S9461 GEAR PUMP GROUP - Double Section
Part of 8S5022 Oil Pump shown on Page 93
Serial No. 25U1 to 25U903

c205667 ZEBP0562

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5B-9603	[ 1]	BOLT (5" long)
2.	0S-1619	[ 1]	BOLT (3" long)
3.	0L-0364	[ 2]	LOCK
4.	0L-1352	[ 2]	BOLT (3.25" long)
5.	8S-8871	[ 1]	LOCK
6.	8S-0486 C	[ 1]	SPACER
7.	1B-8709 C	[ 1]	KEY
8.	9S-3040	[ 1]	SHAFT ASSEM. (8 Teeth)
9.	8M-5599 C	[ 1]	KEY
10.	8S-0485	[ 1]	BODY ASSEM.
11.	1F-1006	[ 1]	DOWEL
12.	4B-9880	[ 1]	BALL
13.	8S-6511	[ 2]	BEARING
14.	7S-6309	[ 1]	SHAFT ASSEM.
15.	6F-7172	[ 1]	DOWEL
16.	8S-0497	[ 1]	GEAR (40 Teeth-Drive)
17.	6B-0863	[ 1]	WASHER
18.	3B-6734	[ 1]	NUT
19.	3B-4617	[ 1]	COTTER PIN
20.	9S-1179	[ 1]	GEAR ASSEM. (69 Teeth-Idler)
21.	9S-1160	[ 1]	BEARING
22.	8S-0493	[ 1]	SHAFT ASSEM. (8 Teeth)
23.	8S-0491	[ 2]	GEAR (8 Teeth)
24.	8S-0488	[ 1]	BODY ASSEM.
25.	8S-6511	[ 2]	BEARING
26.	1M-3735	[ 2]	DOWEL
27.	2S-9529	[ 1]	PLUNGER
28.	1S-3921	[ 1]	SPRING
29.	8S-0496	[ 1]	COVER
30.	2H-3755	[ 2]	BOLT
31.	2A-5328	[ 2]	LOCK
			INDICATES CHANGE

#ZEBP05620111

2P-1785: PUMP GP-ENGINE OIL

PUMP GP-ENGINE OIL

2P1785 OIL PUMP GROUP
Part of 2P1784 Oil Pump Group shown on Page 93

c205723 ZEBP0562

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2P-0685	[ 1]	BODY ASSEM.
2.	2P-1170	[ 1]	SHAFT ASSEM.
3.	6F-7172	[ 1]	DOWEL
4.	4B-9880	[ 1]	BALL
5.	1F-1006	[ 1]	DOWEL
6.	1M-3735	[ 2]	DOWEL
7.	8S-6511	[ 2]	BEARING
8.	4N-8385	[ 1]	VALVE ASSEM
9.	1B-9575	[ 1]	BOLT
10.	4N-3732	[ 1]	COVER
11.	6N-1036	[ 2]	GEAR (6 Teeth)
12.	0L-1352 C	[ 3]	BOLT
13.	8S-0493	[ 1]	SHAFT ASSEM
14.	2P-6245	[ 1]	SHAFT ASSEM
15.	4N-4055	[ 1]	BODY ASSEM.
16.	8S-6511	[ 2]	BEARING
17.	1B-8709	[ 1]	KEY
18.	2P-1781	[ 1]	SPACER
			INDICATES CHANGE

#ZEBP05620112

2Y-1921: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

2Y1921 STARTING ELECTRIC MOTOR
2Y1920 Motor parts are shown on Page 97

sp217 ZEBP0562

2Y1921 STARTING MOTOR GP-ELECTRIC Parts scheme

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4H-7869	[1]	GASKET
2.	2Y-1920 Y	[1]	MOTOR ASSEM.
			(Separate Illustration)
3.	3B-4510	[3]	LOCKWASHER
4.	8S-2332	[3]	BOLT
5.	2Y-2238	[1]	WIRE ASSEMBLY
	2L-8052	[2]	TERMINAL
	4S-8784 H	[4]	WIRE
	H		ORDER BY THE DECIMETRE
	Y		SEPARATE ILLUSTRATION

#ZEBP05620113

1M-3387: LAMP GP

LAMP GP

1M3387 DASH LAMP ASSEMBLY - 24 Volt
Part of Battery and Wiring shown on Pages 105 and 108

sp124 ZEBP0562

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
2M-1449	[1]	LENS
3H-2691	[1]	LAMP
2M-1446	[1]	NUT
7M-4870	[1]	COVER

#ZEBP05620114

2Y-1920: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

2Y1920 STARTING MOTOR ASSEMBLY
Part of 2Y1921 Starting Motor shown on Page 96

sp219 ZEBP0562

2Y1920 STARTING MOTOR GP-ELECTRIC Parts scheme

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2Y-2373	[1]	PINION
2.	2Y-2374	[1]	BAFFLE
3.	2Y-2375	[1]	SUPPORT ASSEM.
4.	2Y-2376	[1]	SEAL
5.	2Y-2377	[1]	BEARING
6.	2Y-2378	[1]	SLEEVE
7.	2Y-2379	[1]	BEARING
8.	2Y-2380	[1]	CLUTCH ASSEM.
9.	2Y-2384	[1]	ARMATURE ASSEM.
10.	2Y-2385	[1]	BEARING
11.	2Y-2386	[1]	COIL ASSEM.
12.	2Y-2387	[1]	ROD ASSEM.
13.	2Y-2390	[8]	BOLT
14.	2Y-2391	[1]	STUD
15.	2Y-2392	[1]	SUPPORT ASSEM.
16.	2Y-2393	[1]	TERMINAL (Pos.)
17.	2Y-2394	[1]	TERMINAL (Neg.)
18.	2Y-2396	[1]	COVER
19.	2Y-2397	[1]	SWITCH ASSEM.
20.	2Y-2398	[1]	SWITCH ASSEM.
21.	2Y-2399	[3]	STUD
22.	2Y-2382	[2]	BOLT
23.	2Y-2383	[1]	SEAT
24.	2Y-2858	[1]	BUSHING
			THE FOLLOWING REPAIR KITS ARE AVAILABLE
	2Y-2400		KIT
			(Includes Nuts, Bushings, Insulators, Lock and Washers)
	2Y-1799		KIT (4 Brushes)
	2Y-2402		(for Cover)
			Includes Bolt, Washer, Seal and "O" Ring)

#ZEBP05620115

8S-5152: ALTERNATOR

ALTERNATOR

8S5152 ALTERNATOR - 24 Volt, 19 Ampere
2P1204 Alternator parts are shown on Page 100
Serial No. 25U1 to 25U903

c113417 ZEBP0562

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2P-1204 Y	[1]	ALTERNATOR ASSEM.
			(See Separate Illustration)
2.	0S-1619	[1]	BOLT (3" long)
3.	1D-4574	[1]	BOLT (6" long)
4.	4D-0674	[1]	WIRE ASSEM.
	6B-2759	[1]	TERMINAL (.406" hole)
	1F-7240	[1]	TERMINAL (No. 10 Screw)
	7B-4826	[2]	INSULATOR
5.	8S-4183	[1]	STRAP
6.	0S-1585	[1]	BOLT (1.5" long)
7.	3B-4508	[2]	LOCKWASHER
8.	8M-4791	[3]	WASHER
9.	0S-1595	[1]	BOLT (1.25" long)
10.	9S-6129	[1]	PULLEY
11.	3B-4506	[2]	LOCKWASHER
12.	9S-1240	[1]	NUT ASSEM.
13.	7S-6723	[1]	BRACKET
14.	0S-1571	[1]	BOLT (1.75" long)
	Y		SEPARATE ILLUSTRATION

#ZEBP05620116

2P-7836: ALTERNATOR GP-CHARGING

ALTERNATOR GP-CHARGING

2P7836 ALTERNATOR GROUP - 24 Volt, 19 Ampere
2P1204 Alternator parts are shown on Page 100
Serial No. 25U904 to 25U918

c153722 ZEBP0562

2P7836 ALTERNATOR GP-CHARGING Parts scheme

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2P-1204 Y	[1]	ALTERNATOR ASSEM.
			(Separate Illustration)
2.	7S-6723	[1]	BRACKET
3.	1D-4574	[1]	BOLT 6 in.(15.24 cm) long
4.	9S-4146	[1]	WIRE ASSEM.
			(Includes)
	5P-0616 H		WIRE 1.65 cm(6.5 in.)
	2L-8069	[1]	TERMINAL (large)
	2L-8066	[1]	TERMINAL (small)
5.	2P-3205	[1]	BOLT
6.	2P-3210	[1]	BOLT
7.	9S-1240	[1]	NUT ASSEM.
			(Includes)
	1F-0748	[1]	NUT
8.	8M-4791	[1]	WASHER
	H		ORDER BY THE DECIMETRE
	Y		SEPARATE ILLUSTRATION

#ZEBP05620117

2Y-1919: ALTERNATOR GROUP

ALTERNATOR GROUP

2Y1919 ALTERNATOR GROUP
2Y1918 Alternator Group parts are shown on Page 101
Serial No. 25U919 - Up

sp516 ZEBP0562

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2P-3208	[ 2]	BOLT
2.	2Y-1951	[ 1]	BRACKET
3.	1B-2886	[ 1]	BOLT
4.	3B-4508	[ 2]	LOCKWASHER
5.	1D-4719	[ 2]	NUT
6.	2A-1531	[ 1]	BOLT
7.	8M-4791	[ 1]	WASHER
8.	2Y-1918 Y	[ 1]	ALTERNATOR GROUP
			(Separate Illustration)
			Separate Illustration

#ZEBP05620118

2Y-2962: ALTERNATOR GP-CHARGING

ALTERNATOR GP-CHARGING

2Y2962 ALTERNATOR GROUP
Field Conversion to 2Y1918 shown on Page 101
2Y2940 Alternator Group and 2Y2930 Regulator Assembly parts are shown on PAGES 102 AND 91

ZEBP05620118 ZEBP0562

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
2Y-2940 Y	[1]	ALTERNATOR GROUP BASIC
		(Separate Illustration)
2Y-2931	[1]	BRACKET
1A-5964	[1]	BOLT
3B-4506	[3]	LOCKWASHER
1D-4719	[1]	NUT
3B-4508	[2]	LOCKWASHER
1A-5822	[1]	BOLT
0S-1571	[2]	BOLT
2Y-2934	[1]	STRAP
0S-1585	[1]	BOLT
8M-4791	[1]	WASHER
1A-9579	[1]	BOLT
4B-4277	[2]	WASHER
1D-4716	[1]	NUT
3B-4505	[1]	LOCKWASHER
2Y-2939	[1]	HARNESS ASSEM.
2Y-2949	[3]	TERMINAL
5P-5629	[41 DM]	WIRE
2Y-2930 Y	[1]	REGULATOR ASSEM.
		(Separate Illustration)
2L-8076	[3]	TERMINAL
3S-2093	[10]	STRAP
2Y-3374	[3]	NIPPLE
Y		SEPARATE ILLUSTRATION

#ZEBP05620119

2P-1204: ALTERNATOR GP

ALTERNATOR GP

2P1204 ALTERNATOR GROUP
Part of 2P7836 and 8S5152 Alternator Group shown on Page 98
Serial No. 25U1 to 25U918

c149144 ZEBP0562

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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	031-0243	[3]	SCREW
2.	4N-5938 H	[1]	REGULATOR ASSEM.
	3K-6234	[1]	SCREW
	4B-4863	[1]	WASHER
3.	7S-7182	[2]	BOOT
4.	2L-8076	[1]	TERMINAL
5.	2L-8077	[1]	TERMINAL
6.	1P-1091 J		KIT (Reg Mounting Plate & Gasket)
7.	1P-1145	[1]	HOLDER ASSEM.
	1P-1137	[1]	HOLDER
8.	4B-2049	[4]	NUT
	3B-4502	[2]	LOCKWASHER
9.	1P-1138	[1]	FIELD TERMINAL & PLATE ASSEM.
10.	5S-4245	[2]	SCREW
	6B-4542	[2]	LOCKWASHER
11.	4B-4274	[1]	WASHER
12.	1P-1130 J	[1]	KIT (2 Brushes)
13.	032-4000	[4]	SCREW
14.	2P-1714 J	[1]	KIT (4 Gaskets)
15.	1P-1080 J	[1]	KIT (Retainer and Seals)
16.	2P-1712 J	[1]	KIT
			(Terminal Stud and Insulator)
17.	2P-1709	[1]	RECTIFIER & STATOR ASSEM.
18.	2P-1719	[1]	PLATE & RECTIFIER ASSEM.
			(Positive)
	2P-1720	[1]	PLATE & RECTIFIER ASSEM.
			(Negative)
19.	6N-1226	[1]	ROTOR ASSEM
20.	1B-8705	[1]	KEY
21.	3B-4502	[10]	LOCKWASHER
22.	2P-1710	[1]	HEAD ASSEM.
23.	6D-9953	[2]	PIN
24.	1B-5387	[1]	BEARING
25.	2P-1713 J	[1]	KIT (Retainer and Seal)
			(Retainer Seal, Spacer Washer)
26.	017-2311	[3]	SCREW
27.	9M-5520	[1]	SCREW
28.	3B-4511	[1]	LOCKWASHER
29.	1P-1131 J	[1]	KIT (Small Parts Nut & Lockwasher)
30.	2L-0611	[1]	BEARING
31.	1P-1134	[1]	RACE
32.	1P-1086 J	[1]	KIT (Frame Screw 4 Screws)
33.	2P-1711	[1]	HEAD ASSEM.
34.	3B-4507	[2]	LOCKWASHER (4375" I.D.)
	3B-4504	[2]	LOCKWASHER (25" I.D.)
35.	1D-4718	[2]	NUT (4375" I.D.)
	9M-1311	[2]	NUT (25" I.D.)
36.	2H-6139	[4]	LOCKWASHER
37.	1P-1088 J	[1]	KIT (2 Brush Springs)
38.	2P-6261	[1]	INSULATOR
			2P1698 ALTERNATOR ASSEM. CONSISTS OF ALL PARTS EXCEPT THOSE MARKED H. REPAIR KITS ARE AVAILABLE MARKED H