3Y2161 HARNESS ASSEMBLY Part of 3Y3979 Road Lighting Group AN ATTACHMENT D6C TRACK-TYPE TRACTOR

ELECTRICAL AND STARTING SYSTEM

WIRING GP

0. 3Y-2161 HARNESS AS

POWER TRAIN

COOLER GP

1. 3P-2848 TORQUE CON

OPERATOR STATION

CONTROL GP-TRANSMISSION

2. 8M-6640 TRANSMISSI

POWER TRAIN

TORQUE DIVIDER GP

3. 5M-5800 TORQUE DIV
4. 5M-5800 TORQUE DIV

TORQUE CONVERTER GP

5. 1T-0930 TORQUE CON

SHAFT GP

6. 5M-7882 UNIVERSAL

PUMP GP

7. 5M-7864 PUMP GP-SC

HYDRAULIC SYSTEM

VALVE GP-RELIEF

8. 2P-3675 VALVE GP-R
9. 3P-8231 RELIEF VAL
0. INFORMATION

TRACK-TYPE TRACTOR D6C TRACK-TYPE TRACTOR 49W
D6C LGP TRACTOR / POWERSHIFT / 49W00001-UP (MACHINE) POWERED BY 3306 ENGINE XMBP9769 D6C 49W (1975)

ELECTRICAL AND STARTING SYSTEM

WIRING GP

3Y-2163 HARNESS ASSEMBLY

3Y-2158 HARNESS ASSEMBLY

3Y-2161 HARNESS ASSEMBLY

3Y-2016 HARNESS ASSEMBLY

#XMBP97690200

3Y-2161: HARNESS ASSEMBLY

HARNESS ASSEMBLY

3Y2161 HARNESS ASSEMBLY
Part of 3Y3979 Road Lighting Group
AN ATTACHMENT

j10137e XMBP9769

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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1S-7837	[1]	TERMINAL
2.	5A-3645	[2]	TERMINAL
3.	5A-3646	[2]	TERMINAL

#XMBP97690201

3P-2848: TORQUE CONVERTER COOLER LINES

TORQUE CONVERTER COOLER LINES

TORQUE CONVERTER COOLER LINES (3P2848 N/S)
Effective with Serial No. 49W1-UP

j11980e XMBP9769

3P2848 TORQUE CONVERTER COOLER LINES Parts scheme

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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8M-4986	[7]	SEAL
2.	1P-8733	[1]	TUBE ASSEM.
3.	0T-0768	[4]	BOLT
4.	3B-4507	[8]	LOCKWASHER
5.	0S-1591	[1]	BOLT
6.	3B-4506	[18]	LOCKWASHER
7.	1D-4717	[2]	NUT
8.	3P-2703	[1]	TUBE ASSEM.
9.	3P-4461	[1]	TUBE ASSEM.
10.	0S-1588	[25]	BOLT
11.	4B-4278	[23]	WASHER
12.	1P-4577	[10]	FLANGE
13.	8M-4987	[6]	SEAL
14.	2P-8089	[1]	PLATE
15.	3P-2699	[1]	BRACKET ASSEM.
	1F-0748	[1]	NUT (Weld)
16.	1A-2029	[2]	BOLT
17.	1P-8361	[1]	ADAPTER
18.	5M-6214	[3]	PLUG
19.	0T-0307	[4]	STUD
20.	1B-4204	[4]	NUT
21.	3K-6113	[4]	WASHER
22.	3P-2929	[1]	VALVE GROUP
	6P-3206	[1]	VALVE ASSEM.
	3P-0774	[1]	GASKET
23.	8F-4197	[4]	BOLT
	1D-4718	[4]	NUT
	4B-4279	[4]	WASHER
24.	0S-1594	[4]	BOLT
25.	3P-1080	[1]	HOSE ASSEM.
26.	1P-4578	[2]	FLANGE
27.	2P-8088	[1]	HOSE ASSEM.
28.	3P-5535	[1]	TUBE ASSEM.
29.	0S-1621	[1]	BOLT
30.	3B-4508	[1]	LOCKWASHER
31.	8S-0023	[1]	CLIP
	8S-0024	[1]	CLIP
32.	6K-4935	[1]	BRACKET
	6K-4934	[1]	CLIP
33.	3P-2698	[1]	HOSE ASSEM.
34.	2A-4639	[4]	BOLT
35.	2K-3019	[2]	CLIP
36.	5P-0597	[2]	CLAMP
37.	1P-4566	[1]	HOSE
38.	0S-1571	[2]	BOLT
39.	3P-1076	[1]	ADAPTER

#XMBP97690202

8M-6640: TRANSMISSION CONTROL LINKAGE

TRANSMISSION CONTROL LINKAGE

TRANSMISSION CONTROL LINKAGE (8M6640 N/S)
Effective with Serial No. 49W1-UP

j10584e XMBP9769

8M6640 TRANSMISSION CONTROL LINKAGE Parts scheme

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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5H-3895	[1]	BUSHING
2.	8B-2278	[1]	LOCK
3.	1A-1460	[1]	BOLT
4.	2M-7167	[1]	SPACER
5.	9M-1340	[1]	SHAFT ASSEM.
	2L-1699	[1]	PIN (Spring)
6.	9M-3526	[1]	LEVER
7.	4D-4064	[4]	END
8.	5B-9079	[4]	NUT
9.	6D-5974	[2]	BEARING
10.	9M-1926	[1]	ROD
11.	0S-1591	[1]	BOLT
12.	1D-4717	[2]	NUT
13.	3B-4506	[12]	LOCKWASHER
14.	2M-8908	[1]	KNOB
15.	4B-1290	[1]	SCREW
16.	1B-2578	[3]	NUT
17.	4M-0444	[1]	BRACKET
18.	4M-0459	[1]	LEVER ASSEM.
19.	7M-0706	[1]	KNOB
20.	4M-8799	[1]	SPRING
21.	9S-0552	[1]	GUARD ASSEM.
22.	9M-3528	[2]	SCREW
23.	9S-0597	[1]	GUIDE
24.	4B-1280	[4]	SCREW
25.	0L-1351	[3]	BOLT
26.	9M-1384	[1]	GUARD ASSEM.
27.	9F-6445	[4]	NUT (Weld)
28.	9S-0555	[1]	LUG
	5D-2643	[1]	LUG
29.	0S-1594	[4]	BOLT
30.	4M-0496	[3]	BOLT
	4M-0497	[3]	NUT
31.	9M-1924	[1]	ROD
32.	9M-1385	[1]	LEVER
33.	1B-8706	[3]	KEY
34.	0T-0924	[3]	BOLT
	1B-4203	[3]	NUT
35.	9M-1386	[1]	LEVER
36.	8B-4037	[3]	WASHER
37.	9M-1380	[1]	LEVER
38.	0S-1585	[3]	BOLT
	3B-4508	[3]	LOCKWASHER
39.	9S-9365	[1]	BRACKET

#XMBP97690203

5M-5800: TORQUE DIVIDER

TORQUE DIVIDER

TORQUE DIVIDER (5M5800 N/S)--Part 1 of 2
Effective with Serial No. 49W1-UP
1T930 Torque Converter Group, 5M7882 Universal Joint Assembly and 5M7864
Scavenge Pump Group parts are shown on Pages 100 and 101

j10235e XMBP9769

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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
9M-2008	[1]	SEAL RING
2H-3918	[1]	SEAL
8B-5964	[1]	RACE
3S-4388	[1]	WASHER
5M-7882 Y	[1]	JOINT ASSEM
		(See Separate Illustration)
0T-0627	[8]	BOLT
3B-4506	[8]	LOCKWASHER
8M-8628	[1]	FLANGE
6F-4718	[1]	SEAL
5M-7864 Y	[1]	PUMP GROUP
		(See Separate Illustration)
5M-5822	[1]	GEAR
1B-8705	[1]	KEY
3H-0449	[1]	LOCK
1B-4430	[1]	NUT
4M-5876	[1]	GASKET
5M-6604	[1]	GASKET
1T-0930 Y	[1]	CONVERTER GROUP
		(See Separate Illustration)
9M-1976	[1]	RING
5M-6208	[1]	GEAR (82 Teeth)
9M-2028	[1]	GEAR (66 Teeth)
5H-6480	[1]	RING
9H-8712	[1]	BEARING ASSEM
9M-2014	[1]	RACE
1M-4102	[1]	PLUG
		(Part of Shaft Assem.9S5265)
9S-5265	[1]	SHAFT ASSEM.
2D-1523	[1]	RING
5M-6181	[3]	GEAR (23 Teeth)
1K-7041	[3]	SPRING
7M-5734	[6]	WASHER
2A-3746	[3]	PLUG
		(Part of Shaft Assem.5M6199)
5M-6199	[3]	SHAFT ASSEM.
1K-6978	[3]	SET SCREW
5M-7877	[3]	LOCK
9S-5267	[1]	CARRIER ASSEM.
7M-8594	[5]	RIVET
5M-6178	[2]	WASHER
		(Parts of Carrier Assem.9S5267)
2S-0669	[3]	BEARING ASSEM.
5M-7878	[1]	RING
2K-5986	[2]	PIN
Y		SEPARATE ILLUSTRATION

#XMBP97690204

5M-5800: TORQUE DIVIDER

TORQUE DIVIDER

TORQUE DIVIDER (5M5800 N/S)--Part 2 of 2
Effective with Serial No. 49W1-UP
2P3675 and 3P8231 Relief Valve Group parts are shown on Page 102

j11459e XMBP9769

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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
0S-1619	[3]	BOLT
3B-4506	[3]	LOCKWASHER
2P-3675 Y	[1]	VALVE GROUP
		(See Separate Illustration)
0L-0139	[1]	BOLT
1A-2029	[8]	BOLT
3B-4506	[8]	LOCKWASHER
1A-2029	[6]	BOLT
3B-4506	[6]	LOCKWASHER
5M-5064	[1]	GASKET
5M-5071	[1]	COVER
7B-0533	[1]	STUD
8B-6599	[1]	PLUG
0L-1124	[1]	GASKET
0T-0573	[3]	BOLT
3B-4506	[3]	LOCKWSHER
3P-8231 Y	[1]	VALVE GROUP
		(See Separate Illustration)
3P-6273	[1]	COVER ASSEM.
5M-6214	[1]	PLUG
8M-5127	[1]	SEAL
5B-5812	[2]	DOWEL
		(Parts of 3P6273 Cover Assem.)
1D-4719	[12]	NUT
3B-4508	[12]	LOCKWASHER
4H-2978	[1]	SCREEN ASSEM.
3H-1846	[1]	SPACER
2F-8616	[1]	NUT
1A-2029	[5]	BOLT
3B-4506	[5]	LOCKWASHER
Y		SEPARATE ILLUSTRATION

#XMBP97690205

1T-0930: TORQUE CONVERTER GP

TORQUE CONVERTER GP

1T930 TORQUE CONVERTER ASSEMBLY
Effective with Serial No. 49W1-UP
Part of Torque Divider

c928179 XMBP9769

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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
1T-0051	[1]	WHEEL
1T-0064	[1]	CARRIER
3F-3727	[1]	RING
4H-1440	[6]	PIN
1T-0443	[1]	CARRIER ASSEM.
1K-6986	[1]	RING
1T-0069	[2]	RING
5H-1901	[1]	OUTER RACE AND ROLLER ASSEM
1T-0425	[1]	BEARING
1T-0448	[8]	BOLT
1T-0436	[1]	GEAR (64 TEETH)
4B-3388	[36]	BOLT
1T-0738	[36]	WASHER
1T-0052	[1]	WHEEL
1T-0937	[1]	WHEEL ASSEM
1T-0438	[1]	RETAINER
1T-0441	[1]	BEARING
1T-0902	[2]	BEARING
		(PART OF 1T421 ASSEM.)
1T-0447	[1]	CARRIER
1T-0097	[1]	RING
1T-0599	[1]	SPACER
1T-0446	[6]	BOLT
1T-0421	[1]	FLANGE ASSEM.
		(82 TEETH)
1T-0414	[8]	BOLT
1T-0437	[1]	HOUSING (66 TEETH)
1T-0675	[1]	PLATE
4B-4158	[2]	SCREW

#XMBP97690206

5M-7882: UNIVERSAL JOINT GP

UNIVERSAL JOINT GP

5M7882 UNIVERSAL JOINT ASSEMBLY
Effective with Serial No. 49W1-UP
Part of Torque Divider

j2659e XMBP9769

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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
3H-0122	[2]	FITTING
9H-2479	[8]	SEAL ASSEM.
		(4 IN EACH SPIDER AND BEARING ASSEM. 1S9670)
1S-9670	[2]	SPIDER AND BEARING ASSEM.
0L-0478	[8]	BOLT
3B-4506	[8]	LOCKWASHER
9M-2036	[1]	PLATE

#XMBP97690207

5M-7864: PUMP GP-SCAVENGE

PUMP GP-SCAVENGE

5M7864 SCAVENGE PUMP GROUP
Effective with Serial No. 49W1-UP
Part of Torque Divider

j10731e XMBP9769

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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5M-5013	[1]	COVER ASSEM.
2.	4H-9705	[2]	BEARING
3.	5M-4987	[2]	DOWEL
4.	4M-5857	[1]	BODY ASSEM.
5.	4H-9705	[2]	BEARING
6.	0L-0364	[4]	LOCK
7.	0S-1590	[2]	BOLT (50.8mm Long)
8.	1B-8705	[2]	KEY
9.	4M-5890	[1]	SHAFT
10.	4M-5889	[1]	SHAFT
11.	5M-9531	[4]	RING
12.	0S-1571	[2]	BOLT (44mm Long)
13.	4M-0410	[2]	GEAR (10 Teeth)

#XMBP97690208

2P-3675: VALVE GP-RELIEF

VALVE GP-RELIEF

2P3675 RELIEF VALVE GROUP
Effective with Serial No. 49W1-UP
Part of Torque Divider

j11531e XMBP9769

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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1594	[4]	BOLT
	3B-4506	[4]	LOCKWASHER
2.	4M-8239	[2]	COVER
3.	2S-1384	[1]	SPOOL ASSEM.
4.	8M-4409	[1]	RETAINER
5.	7M-8592	[1]	RING
6.	5M-9548	[1]	SPRING
7.	8M-2538	[1]	POPPET
8.	5M-6214	[1]	PLUG
9.	7B-3028	[1]	SCREW
10.		[1]	PLATE (Identification)
11.	4M-1751	[1]	SPACER (0.4mm Thick)
	5S-7001	[3]	SPACER (0.9mm Thick)
12.		[1]	HOUSING
13.	2S-1382	[1]	SPRING
14.	8M-4986	[3]	SEAL
15.	8M-8157	[1]	SEAL

#XMBP97690209

3P-8231: RELIEF VALVE GROUP

RELIEF VALVE GROUP

3P8231 RELIEF VALVE GROUP
Effective with Serial No. 49W1-UP
Part of Torque Divider

j10616e XMBP9769

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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4M-5912	[1]	SPRING
2.	7M-1397	[2]	SPACER (0.9mm Thick)
	5M-3492	[2]	SPACER (0.25mm Thick)
3.	8M-8627	[1]	SPRING
4.	9M-2058	[1]	STOP
5.	8M-5254	[6]	SEAL
6.	5M-9622	[1]	SPACER (1.6mm Thick)
	5M-9623	[1]	SPACER (0.9mm Thick)
	5M-9624	[1]	SPACER (0.25mm Thick)
7.	7M-1345	[1]	COVER
8.	0S-1591	[3]	BOLT
9.	3B-4506	[7]	LOCKWASHER
10.	2S-1415	[1]	SPRING
11.	2S-1413	[1]	SPRING
12.		[1]	PLATE
	7B-3028	[1]	SCREW
13.	1K-8362	[1]	SPOOL
14.	9S-4191	[3]	PLUG
	3J-1907	[3]	SEAL
	4S-5983	[1]	VALVE ASSEM.
15.	5M-9554	[1]	VALVE
16.	4S-5982	[1]	VALVE
17.	5M-9548	[1]	SPRING
18.	1L-3162	[1]	RING
19.	8M-2537	[1]	RETAINER
20.	3P-0362	[1]	HOUSING
21.	2M-1656	[2]	COVER
22.	0S-1594	[4]	BOLT
23.	7M-5814	[1]	SPACER
24.	4B-9782	[1]	BALL