TRANSMISSION (3Y4274 N/S)--Part 1 of 2 Effective with Serial No. 78G2871~78G3562 Part of 3Y4273 Powershift Transmission Arrangement Planetary Transmission 3S6860 Valve Group and Hydraulic Control parts are shown on Pages 160 thru 165 966C

TRANSMISSION (3Y4274 N/S)--Part 1 of 2
Effective with Serial No. 78G2871~78G3562
Part of 3Y4273 Powershift Transmission Arrangement
Planetary Transmission 3S6860 Valve Group and
Hydraulic Control parts are shown on Pages 160
thru 165

j13689e XMBP9669

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Parts for your 966C WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	Y	[1]	PLANETARY TRANSMISSION
			(See Separate Illustration)
2.	7S-4623	[1]	GASKET
3.	6P-0278	[1]	COVER ASSEM.
	5M-9621	[4]	STUD
4.	0S-1594	[22]	BOLT
5.	3B-4506	[46]	LOCKWASHER
6.	8S-5820	[1]	BREATHER
7.	Y	[1]	TRANSMISSION HYD. CONTROL
			(See Separate Illustration)
8.	0S-1619	[4]	BOLT
9.	3S-6860 Y	[1]	VALVE GROUP
			(See Separate Illustration)
10.	8M-8514	[1]	SEAL
11.	8M-4389	[2]	SEAL
12.	1A-2029	[16]	BOLT
13.	9S-8822	[1]	PLUG
	8M-4435	[1]	SEAL
14.	8M-1027	[1]	BUSHING
15.	0L-0827	[1]	PLUG
	0L-1124	[1]	GASKET
16.	1D-4717	[4]	NUT
17.	4H-5440	[1]	COVER
	3S-7781	[1]	GASKET
	Y		SEPARATE ILLUSTRATION

#XMBP96690271

3Y-4274: TRANSMISSION

TRANSMISSION (3Y4274 N/S)--Part 2 of 2
Effective with Serial No. 78G2871~78G3562
Part of 3Y4273 Powershift Transmission Arrangement

j13690e XMBP9669

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Parts for your 966C WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	1P-3188	[1]	GEAR ASSEM. (48 Teeth)
	9M-2001	[1]	DOWEL
2.	8M-5007	[1]	SEAL
3.	7S-4632	[1]	SPACER
4.	0L-2070	[8]	BOLT
5.	3B-4506	[8]	LOCKWASHER
6.	7S-6961	[1]	RETAINER
7.	4K-7463	[2]	SEAL
8.	3P-3450	[1]	YOKE
9.	5A-9268	[1]	GEAR
10.	7B-3642	[1]	RACE & ROLLER
11.	2D-8341	[1]	RACE
12.	7S-4638	[1]	CAGE
13.	5M-6200	[1]	SEAL
14.	3P-3453	[1]	GEAR (72 Teeth)
15.	3P-3449	[1]	SHAFT
16.	2A-4576	[2]	CUP
17.	1H-4203	[2]	CONE
18.	2H-9247	[1]	SEAL
19.	1P-5262	[1]	CAGE
20.	4H-9105	[1]	SEAL
21.	7S-4612	[1]	RETAINER
22.	3K-0196	[2]	GUARD
23.	2V-7083	[1]	YOKE
24.	2H-3088	[2]	SEAL
25.	4S-5824	[2]	RETAINER
26.	0L-1558	[2]	BOLT

#XMBP96690272

3Y-4274: TRANSMISSION

TRANSMISSION (3Y4274 N/S)--Part 1 of 2
Effective with Serial No. 78G3563~78G4710
Part of 3Y4273 Transmission Arrangement
Planetary Transmission, 3S6860 Valve Group and Hydraulic
Control parts are shown on Pages 160 thru 165

j17433e XMBP9669

For full view, you need register

Parts for your 966C WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	Y	[1]	PLANETARY TRANSMISSION
			(See Separate Illustration)
2.	7S-4623	[1]	GASKET
3.	6P-0278	[1]	COVER ASSEM.
	5M-9621	[4]	STUD
4.	0S-1594	[22]	BOLT
5.	3B-4506	[46]	LOCKWASHER
6.	5M-6213 C	[1]	PLUG
7.	Y	[1]	TRANSMISSION HYD. CONTROL
			(See Separate Illustration)
8.	0S-1619	[4]	BOLT
9.	3S-6860 Y	[1]	VALVE GROUP
			(See Separate Illustration)
10.	8M-8514	[1]	SEAL
11.	8M-4389	[2]	SEAL
12.	1A-2029	[16]	BOLT
13.	9S-8822	[1]	PLUG
	8M-4435	[1]	SEAL
14.	8M-1027	[1]	BUSHING
15.	0L-0827	[1]	PLUG
	0L-1124	[1]	GASKET
16.	1D-4717	[4]	NUT
17.	4H-5440	[1]	COVER
	3S-7781	[1]	GASKET
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION

#XMBP96690273

3Y-4274: TRANSMISSION

TRANSMISSION (3Y4274 N/S)--Part 2 of 2
Effective with Serial No. 78G3563~78G4710
Part of 3Y4273 Transmission Arrangement

j13690e XMBP9669

For full view, you need register

Parts for your 966C WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	1P-3188	[1]	GEAR ASSEM. (48 Teeth)
	9M-2001	[1]	DOWEL
2.	8M-5007	[1]	SEAL
3.	7S-4632	[1]	SPACER
4.	0L-2070	[8]	BOLT
5.	3B-4506	[8]	LOCKWASHER
6.	7S-6961	[1]	RETAINER
7.	4K-7463	[2]	SEAL
8.	3P-3450	[1]	YOKE
9.	5A-9268	[1]	GEAR
10.	7B-3642	[1]	RACE & ROLLER
11.	2D-8341	[1]	RACE
12.	7S-4638	[1]	CAGE
13.	5M-6200	[1]	SEAL
14.	3P-3453	[1]	GEAR (72 Teeth)
15.	3P-3449	[1]	SHAFT
16.	2A-4576	[2]	CUP
17.	1H-4203	[2]	CONE
18.	2H-9247	[1]	SEAL
19.	1P-5262	[1]	CAGE
20.	4H-9105	[1]	SEAL
21.	7S-4612	[1]	RETAINER
22.	3K-0196	[2]	GUARD
23.	2V-7083	[1]	YOKE
24.	2H-3088	[2]	SEAL
25.	4S-5824	[2]	RETAINER
26.	0L-1558	[2]	BOLT

#XMBP96690274

3Y-4274: TRANSMISSION

TRANSMISSION (3Y4274 N/S)--Part 1 of 2
Effective with Serial No. 78G4711--UP
Part of 3Y4273 Transmission Arrangement
Planetary Transmission, 3S6860 Valve and Hydraulic
Control parts are shown on Pages 160 thru 165

j20114e XMBP9669

For full view, you need register

Parts for your 966C WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	Y	[1]	PLANETARY TRANSMISSION
			(See Separate Illustration)
2.	7S-4623	[1]	GASKET
3.	6P-0278	[1]	COVER ASSEM.
	5M-9621	[4]	STUD
4.	0S-1594	[22]	BOLT
5.	3B-4506	[46]	LOCKWASHER
6.	5M-6213	[1]	PLUG
7.	Y	[1]	TRANSMISSION HYD. CONTROL
			(See Separate Illustration)
8.	0S-1619	[4]	BOLT
9.	3S-6860 Y	[1]	VALVE GROUP
			(See Separate Illustration)
10.	8M-8514	[1]	SEAL
11.	8M-4389	[2]	SEAL
12.	1A-2029	[16]	BOLT
13.	9S-8822	[1]	PLUG
	8M-4435	[1]	SEAL
14.	8M-1027	[1]	BUSHING
15.	5P-4483 C	[1]	PLUG
	7M-8485 C	[1]	SEAL
16.	1D-4717	[4]	NUT
	4H-5440	[1]	COVER
17.	3S-7781	[1]	GASKET
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION

#XMBP96690275

3Y-4274: TRANSMISSION

TRANSMISSION (3Y4274 N/S)--Part 2 of 2
Effective with Serial No. 78G4711-UP
Part of 3Y4273 Transmission Arrangement

j20115e XMBP9669

For full view, you need register

Parts for your 966C WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	1P-3188	[1]	GEAR ASSEM. (48 Teeth)
	9M-2001	[1]	DOWEL
2.	8M-5007	[1]	SEAL
3.	7S-4632	[1]	SPACER
4.	0L-2070	[8]	BOLT
5.	3B-4506	[8]	LOCKWASHER
6.	7S-6961	[1]	RETAINER
7.	4K-7463	[2]	SEAL
8.	3P-3450	[1]	YOKE
9.	5A-9268	[1]	GEAR
10.	7B-3642	[1]	RACE & ROLLER
11.	2D-8341	[1]	RACE
12.	7S-4638	[1]	CAGE
13.	5M-6200	[1]	SEAL
14.	3P-3453	[1]	GEAR (72 Teeth)
15.	3P-3449	[1]	SHAFT
16.	2A-4576	[2]	CUP
17.	1H-4203	[2]	CONE
18.	2H-9247	[1]	SEAL
19.	1P-5262	[1]	CAGE
20.	4H-9105	[1]	SEAL
21.	7S-4612	[1]	RETAINER
22.	3K-0196	[2]	GUARD
23.	2V-7083	[1]	YOKE
24.	2H-3088	[2]	SEAL
25.	4S-5824	[2]	RETAINER
26.	0L-1558	[2]	BOLT

#XMBP96690276

1P-5263: PLANETARY GP

PLANETARY TRANSMISSION (1P5263 N/S)--Part 1 of 3
Effective with Serial No. 78G2871~78G4710
Part of Transmission

j14340e XMBP9669

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Parts for your 966C WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	7S-3037	[1]	MANIFOLD
2.	1A-2029	[7]	BOLT
3.	3B-4506	[12]	LOCKWASHER
4.	8M-4390	[1]	SEAL
5.	7F-6848	[1]	INNER RACE
6.	7S-3027	[1]	RING
7.	7S-3002	[1]	BEARING
8.	4S-5891	[3]	PLATE
9.	2S-4983	[4]	DISC ASSEM.
10.	5S-4309	[1]	RETAINER
11.	0L-1143	[10]	BOLT
12.	1M-4093	[1]	RING
13.	6H-3977	[1]	SEAL
14.	7S-3033	[1]	HUB
15.	1T-0649	[1]	RING
16.	7S-3034	[1]	HOUSING
17.	2H-3928	[1]	SEAL
18.	4S-5816	[1]	SEAL
19.	0T-0102	[8]	BOLT
	5S-0962	[4]	LOCK
20.	7S-4494	[1]	PISTON
21.	7S-3032	[1]	COUPLING
22.	7S-2980	[1]	PLATE
23.	0S-1590	[16]	BOLT
24.	5L-6923	[1]	BEARING
25.	7S-3004	[1]	RING
26.	1P-2568	[1]	MANIFOLD
27.	1H-8128	[1]	SEAL
28.	0S-1594	[5]	BOLT
29.	8P-1438	[1]	COVER
	8M-1280	[1]	GASKET
30.	0S-1595 C	[2]	BOLT
	3B-4508	[2]	LOCKWASHER
31.	7H-3171	[1]	PLUG
32.	2K-9092	[2]	SEAL
33.	8S-6249	[1]	RING
34.	9H-5537	[10]	SPRING
35.	8M-4987	[2]	SEAL
36.	8S-3371	[1]	SEAL
37.	7S-3056	[1]	TUBE ASSEM.
38.	8P-5240	[1]	CASE ASSEM.
39.	9H-3249	[2]	BEARING
41.	4D-8148	[2]	DOWEL
42.	1P-8173	[1]	BAFFLE ASSEM.
43.	0S-1594	[10]	BOLT
44.	5M-2894	[10]	WASHER
	C		INDICATES CHANGE

#XMBP96690277

1P-5263: PLANETARY GP

PLANETARY TRANSMISSION (1P5263 N/S)--Part 2 of 3
Effective with Serial No. 78G2871~78G4710
Part of Transmission

j14341e XMBP9669

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Parts for your 966C WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	7S-4493	[1]	CARRIER ASSEM.
	4S-8537	[1]	DOWEL
2.	3S-1259	[4]	RING
3.	2K-5986	[7]	PIN
4.	4S-5981	[1]	GEAR (82 Teeth)
5.	4S-5937	[1]	HOUSING
6.	3S-1188	[16]	DISC ASSEM.
7.	8S-3522 R	[11]	PLATE
8.	4S-5972	[1]	HOUSING ASSEM.
	5M-7937	[4]	DOWEL
9.	8S-3373	[1]	SEAL
10.	3S-0988	[1]	PISTON
11.	4S-5948	[1]	GEAR (84 Teeth)
12.	9M-4355	[11]	DAMPER
13.	4S-5932	[1]	HOUSING
14.	4S-5974	[1]	HOUSING ASSEM.
	5M-7937	[4]	DOWEL
	5B-9318	[2]	BALL
15.	4S-5943	[4]	PISTON
16.	5S-7009	[1]	PLATE ASSEM.
	4B-9880	[1]	BALL
17.	9H-5546	[5]	PIN
18.	9H-5537	[20]	SPRING
19.	2S-0669	[9]	BEARING
20.	3S-2670	[3]	GEAR (22 Teeth)
21.	4S-8534	[3]	SHAFT ASSEM.
22.	3S-0036	[1]	PLUG
23.	5M-7878	[2]	RING
24.	3S-2644	[3]	GEAR (18 Teeth)
25.	8S-3553 C	[1]	PLATE (Identification)
26.	7B-3028	[2]	SCREW
27.	4S-8531	[3]	SHAFT ASSEM.
28.	3S-0036	[1]	PLUG
29.	6F-0155	[1]	RING
30.	4S-8538	[1]	BEARING
31.	7S-3036	[2]	SEAL RING
32.	1P-2598	[1]	SHAFT
33.	2H-6338	[1]	SEAL
34.	1S-3781	[2]	RING
35.	1S-8868	[1]	RING
36.	2S-0613	[1]	RING
	C		INDICATES CHANGE
	R		REMFG PART MAY BE AVAILABLE

#XMBP96690278

1P-5263: PLANETARY GP

PLANETARY TRANSMISSION (1P5263 N/S)--Part 3 of 3
Effective with Serial No. 78G2871~78G4710
Part of Transmission

j14342e XMBP9669

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Parts for your 966C WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	8S-3371	[4]	SEAL
2.	8S-3372	[5]	RING
3.	4S-5947	[1]	GEAR (81 Teeth)
4.	4S-5940	[1]	CARRIER ASSEM.
	4S-8537	[1]	DOWEL
5.	4S-8546	[1]	BEARING
6.	5S-1041	[1]	RING
7.	2P-2887 C	[18]	WASHER
8.	3S-1167	[3]	GEAR (32 Teeth)
9.	4L-9825	[1]	BEARING
10.	5S-6979	[1]	RING
11.	7S-8572	[1]	GEAR (81 Teeth)
12.	5S-7013	[1]	GEAR (83 Teeth)
13.	8S-0556	[1]	GEAR (90 & 101 Teeth)
14.	9H-6530	[8]	BOLT
15.	4M-4924	[3]	BOLT
16.	2M-0849	[11]	WASHER
17.	5S-7017	[6]	GEAR (28 Teeth)
18.	3S-2708	[9]	PIN
19.	5S-6978	[3]	SHAFT
20.	5S-7010	[3]	SHAFT
21.	5M-2051	[9]	BEARING
22.	5H-6199	[1]	RING
23.	1M-3937	[1]	RING
24.	5S-4491	[1]	CAGE
25.	7F-2742	[1]	BEARING
26.	0L-1143	[3]	BOLT
27.	5M-2894	[3]	WASHER
28.	5S-4493	[1]	CARRIER
29.	5S-6972	[1]	GEAR (27 & 25 Teeth)
30.	5S-7023	[1]	CARRIER
31.	4L-9564	[1]	SEAL
32.	2S-8939	[1]	RING
33.	9F-7104	[1]	RING
34.	2S-1419	[12]	WASHER
35.	4M-9592	[30]	SPRING
36.	3K-2510	[5]	PIN
37.	4S-5945	[1]	GEAR (38 Teeth)
38.	4S-5944	[1]	GEAR (45 Teeth)
39.	4S-5973	[1]	HOUSING
	5M-7937	[2]	DOWEL
	4B-9782	[2]	BALL
40.	5S-6975	[1]	RETAINER
41.	5S-6981	[1]	RETAINER
	5S-6980	[1]	RING
42.	0S-1591	[1]	BOLT
43.	7S-4651	[1]	SHAFT
	C		INDICATES CHANGE

#XMBP96690279

1P-5263: PLANETARY GP

PLANETARY TRANSMISSION (1P5263 N/S)--Part 1 of 3
Effective with Serial No. 78G4711-UP
Part of Transmission

j20109e XMBP9669

For full view, you need register

Parts for your 966C WHEEL LOADER: