TRANSMISSION CASE AND COVERS (3P2868 N/S) Part of 3P3022 Transmission Arrangement shown on Page 47 D8K

POWER TRAIN

TRANSMISSION GP

0. 3P-2868 CASE & COV

CONTROL GP-TRANSMISSION HYD

1. 2M-7009 CONTROL GP

VALVE GP-SELECTOR

2. 1P-4107 VALVE GP-S
3. 8M-2502 VALVE GP-S

VALVE GP-PRESSURE CONTROL

4. 1P-4145 VALVE GP-P
5. 1P-4145 VALVE GP-P
6. 1P-4145 VALVE GP-P

OPERATOR STATION

CONTROL GP-TRANSMISSION

7. 6P-5431 CONTROL GP
8. 6P-5431 CONTROL GP
9. 6P-5431 CONTROL GP
0. INFORMATION

TRACK-TYPE TRACTOR D8K TRACK-TYPE TRACTOR 77V
D8K TRACTOR / POWERSHIFT / 77V00001-05005 (MACHINE) UEG0891S D8K 77V (1974)

POWER TRAIN

TRANSMISSION GP

3P-3022 TRANSMISSION AR-RANGE

3P-1689 PLANETARY GP

3P-2868 CASE & COVERS GP-TMSN

#UEG0891S0080

3P-2868: CASE & COVERS GP-TMSN

CASE & COVERS GP-TMSN

TRANSMISSION CASE AND COVERS (3P2868 N/S)
Part of 3P3022 Transmission Arrangement shown on Page 47

c146971 UEG0891S

3P2868 CASE & COVERS GP-TMSN Parts scheme

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Parts for your D8K TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1B-4203	[24]	NUT
2.	3B-4506	[48]	LOCKWASHER
3.	1D-4717	[8]	NUT
4.	8B-9777	[1]	GASKET
5.	7M-1151	[1]	COVER ASSEM.
6.	5M-9621	[4]	STUD
7.	7M-7794	[4]	STUD
8.	2S-6548	[1]	FITTING
9.	2B-8460	[1]	COVER
	2S-1439	[1]	GASKET
10.	7M-8543	[1]	COVER
	2D-0092	[1]	GASKET
11.	9S-4191	[2]	PLUG
	3J-1907	[2]	SEAL
12.	4S-8651	[1]	MANIFOLD
13.	1M-6420	[1]	GASKET
14.	3P-6581	[2]	COVER
	9S-8848	[2]	GASKET
15.	8M-4432	[4]	SEAL
16.	8M-5661	[1]	SEAL
17.	8M-4986	[2]	SEAL
18.	0S-1594	[8]	BOLT
19.	2S-4965	[1]	SLEEVE
20.	8M-4435	[3]	SEAL
21.	7H-3051	[4]	STUD
22.	4S-5881	[1]	GASKET
23.	2S-4958	[1]	SLEEVE
24.	2S-4954	[1]	SLEEVE
25.	3B-1915	[8]	BOLT
26.	2S-4959	[1]	SLEEVE
27.	0L-1351	[6]	BOLT
28.	1M-6455	[1]	GASKET
29.	9S-8847	[1]	CASE ASSEM.
			(Includes)
30.	9S-8833	[1]	TUBE
31.	1F-0929	[2]	BUSHING
32.	1M-6422	[10]	STUD
33.	9S-2836	[2]	BUSHING
34.	1M-6423	[2]	STUD
35.	9H-2403	[4]	STUD (1.437 in. long)
	1M-6421	[16]	STUD (1.32 in. long)
36.	4H-9303	[2]	STUD
37.	5M-9653	[1]	COVER
	5M-9654	[1]	GASKET
38.	0S-1608	[2]	BOLT (3.75 in. long)
	0S-1588	[1]	BOLT (1.25 in. long)
	0S-1619	[1]	BOLT (3 in. long)

#UEG0891S0081

2M-7009: CONTROL GP-TRANSMISSION HYD

CONTROL GP-TRANSMISSION HYD

TRANSMISSION HYDRAULIC CONTROL (2M7009 N/S)
Part of 3P3022 Transmission Arrangement shown on Page 47
1P4107, 8M2502 and 1P4145 Valve parts are shown on Pages 53 and 54

c204270 UEG0891S

2M7009 CONTROL GP-TRANSMISSION HYD Parts scheme

For full view, you need register

Parts for your D8K TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
1B-8704	[2]	KEY
2M-7068	[1]	LEVER
7F-0192	[1]	BOLT
1M-3862	[1]	DETENT ASSEM.
1M-3833	[1]	DOWEL
		(PART OF DETENT ASSEM 1M3862)
0L-1352	[1]	BOLT
5M-2894	[1]	WASHER
2S-4962	[5]	SLEEVE
8M-8283	[10]	SEAL
8M-2502 Y	[1]	HOUSING AND VALVE GROUP
		(SEPARATE ILLUSTRATION)
0S-1619	[1]	BOLT
5M-2894	[1]	WASHER
7M-1298	[1]	ROD
0L-1143	[1]	BOLT
5M-2894	[1]	WASHER
8M-4432	[2]	SEAL
7B-2501	[1]	RING
2S-4964	[1]	SLEEVE
0L-1143	[3]	BOLT
5M-2894	[3]	WASHER
1M-3926	[1]	SPRING
1M-3897	[1]	LEVER
7F-0192	[1]	BOLT
1M-3917	[2]	SHAFT
9H-0858	[2]	SEAL
8M-4447 C	[1]	SEAL
1M-3863	[1]	DETENT ASSEM
1M-3833	[1]	DOWEL
		(PART OF DETENT ASSEM.1M3863)
0V-0375	[2]	BOLT
1D-4719	[2]	NUT
3B-4508	[2]	LOCKWASHER
0V-0531	[2]	WASHER
1M-3850	[2]	SPACER
1M-3836	[2]	LINK
1P-4107 YC	[1]	VALVE GROUP
		(DIRECTIONAL)
		(SEPARATE ILLUSTRATION)
0S-1619	[1]	BOLT
5M-2894	[1]	WASHER
9H-6673	[2]	PIN
3B-4610 C	[2]	COTTER PIN
9H-6673	[2]	PIN
3B-4615 C	[2]	COTTER PIN
0S-1571	[2]	BOLT
5M-2894	[2]	WASHER
1P-4145 YC	[1]	VALVE CONTROL GROUP
		(Separate Illustration)
8M-5254	[3]	SEAL
C		INDICATES CHANGE
Y		SEPARATE ILLUSTRATION

#UEG0891S0082

1P-4107: VALVE GP-SELECTOR

VALVE GP-SELECTOR

1P4107 SELECTOR VALVE GROUP
Part of Transmission Hydraulic Control

c202502 UEG0891S

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Parts for your D8K TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9H-0297	[1]	BOLT (eye)
2.	2S-5717	[1]	NUT
3.	1P-3594	[1]	SPOOL
4.	8M-8627 C	[1]	SPRING
5.	9S-2792	[1]	COVER
6.	1A-2029	[2]	BOLT
	5M-2894	[2]	WASHER
7.	8M-2764	[1]	VALVE
	7M-1397	[2]	SPACER (.036 in. thick)
	5M-3492	[2]	SPACER (.010 in. thick)
8.	2M-1660	[1]	BOLT (eye)
	2S-5717	[1]	NUT
9.	2M-7057	[1]	VALVE
	C		INDICATES CHANGE

#UEG0891S0083

8M-2502: VALVE GP-SELECTOR

VALVE GP-SELECTOR

8M2502 SELECTOR HOUSING AND VALVE GROUP
Part of Transmission Hydraulic Control

c116654 UEG0891S

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Parts for your D8K TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
8M-2503	[ 1]	HOUSING
8M-4437	[ 1]	SEAL
1H-1200	[ 1]	PIN
1M-3781	[ 1]	PLUG
8M-2504	[ 1]	VALVE
3D-2824 C	[ 1]	SEAL
9S-8008 C	[ 1]	PLUG
9H-0297	[ 1]	BOLT
2S-5717	[ 1]	NUT
		INDICATES CHANGE

#UEG0891S0084

1P-4145: VALVE GP-PRESSURE CONTROL

VALVE GP-PRESSURE CONTROL

1P4145 PRESSURE CONTROL VALVE GROUP
Serial No. 77V1 to 77V642 inclusive and Test No. 1 to 286 inclusive
Part of 2M7009 Transmission Hydraulic Control Group shown on Page 52

c203761 UEG0891S

1P4145 VALVE GP-PRESSURE CONTROL Parts scheme

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Parts for your D8K TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1594	[7]	BOLT
2.	6P-4605 C	[1]	SPOOL ASSEM.
			(Includes)
	6P-4606	[1]	SPOOL
3.	6P-4604	[1]	SLEEVE
	1L-3162	[1]	RING
4.	4M-2381	[1]	SPRING
5.	1S-2121	[1]	PLUNGER
6.		[1]	BODY
7.	5M-6214	[2]	PLUG
8.	4M-5923	[1]	SPRING
9.	1P-8617	[1]	RETAINER
10.	8S-9195	[1]	VALVE
11.	8M-5254	[2]	SEAL
12.	8S-9192	[1]	COVER
13.	8M-4992	[1]	SEAL
14.	5M-9622	[1]	SPACER .062 in.(1.57 mm) thick
	5M-9623	[2]	SPACER .036 in.(.91 mm) thick
	5M-9624	[4]	SPACER .010 in.(.25 mm) thick
15.	9S-2802	[1]	PISTON
16.	2M-3469	[1]	SPRING
17.	5S-4437	[1]	SPOOL ASSEM.
18.	1S-2121	[1]	PLUNGER
19.	4M-2381	[1]	SPRING
20.	8M-1013	[1]	RETAINER
	3D-8317	[1]	RING
			(Parts of 5S4437 Assem.)
21.	2M-7041	[1]	SLUG
22.	1P-3593	[1]	COVER
23.	6H-2948	[2]	DOWEL
	C		INDICATES CHANGE

#UEG0891S0085

1P-4145: VALVE GP-PRESSURE CONTROL

VALVE GP-PRESSURE CONTROL

1P4145 PRESSURE CONTROL VALVE GROUP
Serial No. 77V643 to 77V4917 inclusive and Test No. 287 to 6043 inclusive
Part of 2M7009 Transmission Hydraulic Control Group shown on Page 52

c204865 UEG0891S

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Parts for your D8K TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1594	[7]	BOLT
2.	6P-4605 C	[1]	SPOOL ASSEM.
			(Includes)
3.	6P-8847 C	[1]	SLEEVE
	2M-8191	[1]	RING
4.	9H-2367 C	[1]	SPRING
5.	6P-8848 C	[1]	PLUNGER
6.		[1]	BODY
7.	5M-6214	[2]	PLUG
8.	4M-5923	[1]	SPRING
9.	1P-8617	[1]	RETAINER
10.	8S-9195	[1]	VALVE
11.	8M-5254	[2]	SEAL
12.	8S-9192	[1]	COVER
13.	8M-4992	[1]	SEAL
14.	5M-9622	[1]	SPACER .062 in.(1.57 mm) thick
	5M-9623	[2]	SPACER .036 in.(.91 mm) thick
	5M-9624	[4]	SPACER .010 in.(.25 mm) thick
15.	9S-2802	[1]	PISTON
16.	2M-3469	[1]	SPRING
17.	5S-4437	[1]	SPOOL ASSEM.
18.	1S-2121	[1]	PLUNGER
19.	4M-2381	[1]	SPRING
20.	8M-1013	[1]	RETAINER
	3D-8317	[1]	RING
			(Parts of 5S4437 Assem.)
21.	2M-7041	[1]	SLUG
22.	1P-3593	[1]	COVER
23.	6H-2948	[2]	DOWEL
	C		INDICATES CHANGE

#UEG0891S0086

1P-4145: VALVE GP-PRESSURE CONTROL

VALVE GP-PRESSURE CONTROL

1P4145 PRESSURE CONTROL VALVE GROUP
Serial No. 77V4918-Up and Test No. 6044-Up
Part of 2M7009 Transmission Hydraulic Control shown on Page 52

c211310 UEG0891S

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Parts for your D8K TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1594	[ 7]	BOLT
2.	5S-4437	[ 1]	SPOOL ASSEM.
			(Includes)
3.	1S-2121	[ 1]	PLUNGER
4.	4M-2381	[ 1]	SPRING
5.	8M-1013	[ 1]	RETAINER
6.	3D-8317	[ 1]	RING
7.	5M-6214	[ 2]	PLUG
8.	4M-5923	[ 1]	SPRING
9.	1P-8617	[ 1]	RETAINER
10.	8S-9195	[ 1]	VALVE
11.	8M-5254	[ 2]	SEAL
12.	8S-9192	[ 1]	COVER
13.	8M-4992	[ 1]	SEAL
14.	5M-9622	[ 1]	SPACER 1.57 mm(.062 in.) thick
	5M-9623	[ 2]	SPACER .91 mm(.036 in.) thick
	5M-9624	[ 4]	SPACER .25 mm(.010 in.) thick
15.	9S-2802	[ 1]	PISTON
16.	2M-3469	[ 1]	SPRING
17.	2M-7041	[ 1]	SLUG
18.	1P-3593	[ 1]	COVER
19.	8P-7279 C	[ 1]	SPOOL
20.	6H-2948	[ 2]	DOWEL
			INDICATES CHANGE

#UEG0891S0087

6P-5431: CONTROL GP-TRANSMISSION

CONTROL GP-TRANSMISSION

6P5431 TRANSMISSION CONTROL GROUP--Type 1
Part of 6P5181 Roll-Over Protective Structure Arrangement listed on Page 114
AN ATTACHMENT

c153705 UEG0891S

6P5431 CONTROL GP-TRANSMISSION Parts scheme

For full view, you need register

Parts for your D8K TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4M-0496	[4]	BOLT
	4M-0497	[4]	NUT (jam)
	1D-4717	[4]	NUT
2.	3B-4506	[16]	LOCKWASHER
3.	6P-5997	[1]	BRACKET ASSEM.
4.	0L-1351	[4]	BOLT .875 in.(2.22 cm) long
5.	0L-1143	[2]	BOLT 2.5 in.(6.35 cm) long
6.	6P-5999	[1]	SUPPORT
7.	6D-5974	[2]	BEARING
8.	9S-1385	[1]	SPACER
9.	6P-5996	[1]	SHAFT ASSEM.
10.	6P-6004	[1]	LEVER ASSEM.
			(Includes)
11.	5H-3895	[1]	BUSHING
12.	6P-5505	[1]	LEVER
13.	4D-9483	[2]	SCREW
14.	4M-8799	[1]	SPRING
15.	4B-1280	[4]	SCREW
16.	1P-0927	[1]	GUIDE
17.	3P-2716	[1]	GUARD
18.	7M-0706	[1]	KNOB
19.	6P-6000	[1]	ROD
	2A-3211	[2]	WASHER
	3B-4604	[2]	COTTER PIN
20.	6P-6003	[1]	LEVER ASSEM.
21.	6P-6002	[1]	SEAL
22.	0L-0478	[2]	BOLT
23.	2M-7167	[1]	SPACER
24.	1A-1460	[1]	BOLT
	1D-4719	[1]	NUT
25.	0V-0114	[2]	LOCK
26.	4M-0495 C	[1]	END
27.	1B-2578 C	[1]	NUT
28.	8D-2584 C	[1]	ROD
29.	2M-8900	[2]	CLAMP
30.	0S-1594 C	[4]	BOLT
31.	4M-0443	[1]	LEVER
32.	1B-8704	[3]	KEY
33.	0T-0924	[3]	BOLT
	1B-4203	[3]	NUT
34.	8F-9320	[2]	WASHER
35.	6P-5508	[1]	LEVER
36.	4M-0494	[1]	END
37.	3S-0718	[1]	LEVER
38.	1K-4706	[1]	WASHER
39.	4D-4064 C	[2]	ROD END
40.	5B-9079 C	[2]	NUT
41.	5P-4829 CH		TUBE .77 dm(3 in.)
	C		INDICATES CHANGE
	H		ORDER BY THE DECIMETRE

#UEG0891S0088

6P-5431: CONTROL GP-TRANSMISSION

CONTROL GP-TRANSMISSION

6P5431 TRANSMISSION CONTROL GROUP--Type 2
Part of 6P5181 and 8P5521 Roll-Over Protective Structure Arrangement listed on Pages 114
and 114B. AN ATTACHMENT

c210630 UEG0891S

For full view, you need register

Parts for your D8K TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4M-0496	[4]	BOLT
	4M-0497	[4]	NUT (jam)
	1D-4717	[4]	NUT
2.	3B-4506	[16]	LOCKWASHER
3.	6P-5997	[1]	BRACKET ASSEM.
4.	0L-1351	[4]	BOLT .875 in. (2.22 cm) long
5.	0L-1143	[2]	BOLT 2.5 in.(6.35 cm) long
6.	6P-5999	[1]	SUPPORT
7.	6D-5974	[2]	BEARING
8.	9S-1385	[1]	SPACER
9.	6P-5996	[1]	SHAFT ASSEM.
10.	6P-6004	[1]	LEVER ASSEM.
			(Includes)
11.	5H-3895	[1]	BUSHING
12.	6P-5505	[1]	LEVER
13.	4D-9483	[2]	SCREW
14.	4M-8799	[1]	SPRING
15.	4B-1282 C	[4]	SCREW
16.	6P-0236 C	[1]	GUIDE
17.	3P-2716	[1]	GUARD
18.	7M-0706	[1]	KNOB
19.	6P-6000	[1]	ROD
	2A-3211	[2]	WASHER
	3B-4604	[2]	COTTER PIN
20.	6P-6003	[1]	LEVER ASSEM.
21.	6P-6002	[1]	SEAL
22.	0L-0478	[2]	BOLT
23.	2M-7167	[1]	SPACER
24.	1A-1460	[1]	BOLT
25.	1K-6872 C	[1]	LOCKNUT
26.	4M-0495	[1]	END
27.	1B-2578	[1]	NUT
28.	8D-2584	[1]	ROD
29.	2M-8900	[2]	CLAMP
30.	0S-1594	[4]	BOLT
31.	4M-0443	[1]	LEVER
32.	1B-8704	[3]	KEY
33.	0T-0924	[3]	BOLT
	1B-4203	[3]	NUT
34.	8F-9320	[2]	WASHER
35.	6P-5508	[1]	LEVER
36.	4M-0494	[1]	END
37.	3S-0718	[1]	LEVER
38.	1K-4706	[1]	WASHER
39.	4D-4064	[2]	ROD END
40.	5B-9079	[2]	NUT
41.	1H-8456 C	[8]	SCREW
	031-0249	[8]	NUT
42.	3P-6693 C	[2]	STRIP
43.	3P-6981 C	[2]	LINER
44.	3P-6694 C	[2]	STRIP
	C		INDICATES CHANGE

#UEG0891S0089

6P-5431: CONTROL GP-TRANSMISSION

CONTROL GP-TRANSMISSION

6P5431 TRANSMISSION CONTROL GROUP--Part 1 of 2--Type 3
Part of 6P5181 and 8P5521 Roll-Over Protective Structure Arrangements listed on
Pages 114 & 114B. AN ATTACHMENT

c167443 UEG0891S

For full view, you need register

Parts for your D8K TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4D-9483 C	[2]	SCREW
	1B-2578 C	[2]	NUT
	5M-2894 C	[2]	WASHER
	8P-4923 C	[2]	BEARING
2.	7H-8909 C	[1]	NUT
	8P-2289 C	[1]	RETAINER
3.	8P-4029 C	[1]	BUMPER
	8P-7845 C	[1]	BUSHING
4.	8M-7758 C	[2]	RIVET
5.	4B-1280 C	[4]	SCREW
6.	9P-4608 C	[1]	SWITCH ASSEM.
			(Includes)
	5P-5628 H		TUBE .114 m(4.5 in.)
	5P-5610	[2]	CONNECTOR
	3S-2093	[2]	STRAP
8.		[1]	GUARD
9.	6P-0236	[1]	GUIDE
10.	1H-8456	[8]	SCREW
11.	031-0249 C	[9]	NUT
12.	5P-5582 C	[1]	SCREW
	4B-4274 C	[1]	WASHER
13.	9P-4609 C	[1]	ACTUATOR (magnetic)
14.	3P-6693	[2]	STRIP
15.	8P-4925 C	[1]	LEVER ASSEM.
	033-7291 C	[2]	RIVET
	8P-2290 C	[1]	SPRING
16.	3P-6981	[2]	LINER
17.	3P-6694	[2]	STRIP
18.	2A-4639 C	[2]	BOLT
	1D-4717 C	[2]	NUT
19.	3B-4506	[2]	LOCKWASHER
20.	4D-7794 C	[2]	CLIP
21.	9P-5253 C	[1]	WIRE ASSEM.
			(Includes)
	5P-5624 H		WIRE 1.24 m(48.82 in.)
	5P-5995 H		TUBE .51 m(20.08 in.)
	6N-9587	[2]	CONNECTOR
22.	5P-5610	[2]	CONNECTOR
23.	3K-8107 C	[1]	GROMMET
	C		INDICATES CHANGE
	H		ORDER BY THE METRE

Information:

POWER TRAIN

TRANSMISSION GP

Special Instruction

Installation Of Additional Studs To Hold Transmission In Position{3150, 3159, 4059}
Installation Of Additional Studs To Hold Transmission In Position{3150, 3159, 4059}

Valve Installation for Scheduled Oil Sampling of Engine, Transmission, Hydraulics, and Steering{1000, 7000, 7542, 7542}
Valve Installation for Scheduled Oil Sampling of Engine, Transmission, Hydraulics, and Steering{1000, 7000, 7542, 7542}

Procedure to Salvage the Slots for the Pin and Holes for the Reaction Dowel in Transmission Clutch Plates, Pistons, and Housings {3030, 3050, 3169, 3170, 3190}
Procedure to Salvage the Slots for the Pin and Holes for the Reaction Dowel in Transmission Clutch Plates, Pistons, and Housings {3030, 3050, 3169, 3170, 3190}

Technical Information Bulletin

Transmission Charge Pump Centerbodies Can Be Modified To Improve The Life Of Pumps With 8-Tooth, Powder Metal Gears
Transmission Charge Pump Centerbodies Can Be Modified To Improve The Life Of Pumps With 8-Tooth, Powder Metal Gears

Specifications

Power Shift Transmission
D8K TRACTOR POWER TRAIN

Transmission Oil Pump<BR> (Power Shift) (3P4855)
D8K TRACTOR POWER TRAIN

Transmission Hydraulic Controls<BR> (Power Shift)
D8K TRACTOR POWER TRAIN

Direct Drive Transmission
D8K TRACTOR POWER TRAIN

Oil Pump For Direct Drive Transmission<BR> (3P6293)
D8K TRACTOR POWER TRAIN

Tool Operating Manual

396-6461 Tube Assembly{0374, 0599, 0632, 3030, 3258}
396-6461 Tube Assembly{0374, 0599, 0632, 3030, 3258}

M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}
M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}

Reuse And Salvage Guidelines

Reusability of Drive Train Gears {3002, 3159, 3256, 4055}
Reusability of Drive Train Gears {3002, 3159, 3256, 4055}

Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}
Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}

Identification of Non-Metallic Discs that are Used in Power Shift Transmissions {3030, 3155}
Identification of Non-Metallic Discs that are Used in Power Shift Transmissions {3030, 3155}

Transmission Clutch Plates and Disc Assemblies with Cellulose Friction Material {3030, 3155, 3190}
Transmission Clutch Plates and Disc Assemblies with Cellulose Friction Material {3030, 3155, 3190}

Transmission Clutch Plates and Disc Assemblies with Sintered Bronze Friction Material {3030, 3155, 3190}
Transmission Clutch Plates and Disc Assemblies with Sintered Bronze Friction Material {3030, 3155, 3190}

Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}

Identification and Applications of Transmission Clutch Plates and Specifications to Machine Reaction Faces for Power Shift Transmissions {3054, 3155, 3160, 3190}
Identification and Applications of Transmission Clutch Plates and Specifications to Machine Reaction Faces for Power Shift Transmissions {3054, 3155, 3160, 3190}

Transmission Reuse and Salvage Manual Contents {0374, 3030}
Transmission Reuse and Salvage Manual Contents {0374, 3030}

Clutch Ring Gears For All Power Shift Transmissions {3030, 3155}
Clutch Ring Gears For All Power Shift Transmissions {3030, 3155}

Procedure to Salvage Tang Slots on Transmission and Brake Pistons {0679, 3160, 4011, 4251}
Procedure to Salvage Tang Slots on Transmission and Brake Pistons {0679, 3160, 4011, 4251}

Repair of Transmission, Torque Converter, and Torque Divider Shafts {3000, 3063, 3100}
Repair of Transmission, Torque Converter, and Torque Divider Shafts {3000, 3063, 3100}

Transmission Bevel Pinion and Transfer Gear for D5, D6, D7, D8, and D9 Tractors with Oval Tracks{1164, 3030, 3159, 3254}
Transmission Bevel Pinion and Transfer Gear for D5, D6, D7, D8, and D9 Tractors with Oval Tracks{1164, 3030, 3159, 3254}

Reuse and Salvage of Transmission Components {3030}
Reuse and Salvage of Transmission Components {3030}

Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}
Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}

Procedures to Salvage Thrust Faces on Planetary Carriers {3160, 4050, 4051, 4093}
Procedures to Salvage Thrust Faces on Planetary Carriers {3160, 4050, 4051, 4093}

Repair of Reaction Dowel Holes in Transmission Clutch Housings {3030, 3155, 3169}
Repair of Reaction Dowel Holes in Transmission Clutch Housings {3030, 3155, 3169}

Thermal Spray Procedures for Clutch Housing Piston Bore {0679, 3160, 3169}
Thermal Spray Procedures for Clutch Housing Piston Bore {0679, 3160, 3169}

Thermal Spray Procedures for Clutch Piston Inside Diameter {0679, 3160, 3170}
Thermal Spray Procedures for Clutch Piston Inside Diameter {0679, 3160, 3170}

Thermal Spray Procedures for Transmission, Torque Converter and Torque Divider Shafts {0679, 0719, 3030, 3101, 3125, 3130}
Thermal Spray Procedures for Transmission, Torque Converter and Torque Divider Shafts {0679, 0719, 3030, 3101, 3125, 3130}

Thermal Spray Procedures for Transmission and Torque Converter Yokes {0599, 0679, 3001, 3030, 3101, 3160}
Thermal Spray Procedures for Transmission and Torque Converter Yokes {0599, 0679, 3001, 3030, 3101, 3160}

Contamination Control Guidelines

Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}

Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}

Bench Test Procedures

Disassembly and Assembly

Transmission And Engine Oil Coolers
D342 VEHICULAR ENGINE FOR D8K TRACTOR

Transmission Magnetic Screen
D8K TRACTOR POWER TRAIN

Transmission Oil Filter
D8K TRACTOR POWER TRAIN

Transmission Oil Pump (Power Shift And Direct Drive)
D8K TRACTOR POWER TRAIN

Transmission (Power Shift)
D8K TRACTOR POWER TRAIN

Transmission Hydraulic Control Valves (Power Shift)
D8K TRACTOR POWER TRAIN

Transmission (Direct Drive)
D8K TRACTOR POWER TRAIN

Service Magazine

Improved Relief Valve Used In Transmission Hydraulic Control Group {3167,2158}
1981/03/23

New Core Assembly Used In Transmission Oil Cooler Group{1375}
1981/12/07

Instrument Panel Guards Prevent Vandalism (Damage) To Machines{7315}
1982/09/20

New Planet Carrier Shafts And Pins For Transmission{3150}
1983/05/16

New Core Assembly Used In Transmission Oil Cooler{1375}
1983/05/23

New Directional Clutch Friction Disc Used In Power Shift Transmission{3150,3155}
1984/02/13

Pins And Balls Can Be Used To Hold Shafts In Position In Transmission Directional Planet Carriers {3150}
1984/06/25

Improved 5P3000 Engine And Transmission Shipping Stand Assembly; Modification Available For Stands Already In Use{0640}
1977/04/25

Low Initial Pressure Setting Can Cause Transmission Direction Clutch To Not Engage Or Engage Slowly{3152,3155,3176}
1977/10/24

Spring Pins Now Used To Hold Planet Shafts In Planetary Carrier Of Power Shift Transmission{3150}
1977/12/12

Use Correct Procedure To Install The Studs Used To Hold The Transmission{3050,3100,3150}
1978/04/03

The Special Breathers For The Bevel Gear Case And The Final Drive Cases Have Been Removed-A Common Breather For These Systems Is Now Located On The Transmission Oil Filler Spout{4059,4070,3179,3067}
1978/04/24

Stronger Studs, Hardened Nuts And Washers, And A Higher Torque Used To Fasten The Transmission To The Bevel Gear Case{4059,3150,3250}
1978/06/19

New Bolts, Spacers, And Bevel Gear Cover Used To Keep Cover Tight{3150,4059}
1978/09/25

New FT1417 Alignment Tool Available For Transmission Carrier Assembly{0622,3150}
1978/12/11

Correct Installation Of Powershift Transmission Is Important{3150,4059}
1979/08/13

Use Caution To Prevent Damage To Plastic Check Valve In Hydraulic Oil Tank And Transmission Oil Tank Drain{5056,3177}
1979/09/03

More Studs Used To Hold Transmission To Bevel Gear Case{3064,3150,4059}
1979/10/22

Body of Pressure Control Valve Group in Transmission Hydraulic Controls Now Serviced Separately{3152}
1989/03/20

Portable Test and Fill Machine Designed for a Service Vehicle but Works Fast Enough for the Shop {0768}
2006/02/27

Spanner Wrench is Available for Ecology Drain Valves {1302, 1353, 1372, 5076, 5613}
2006/03/20

Improved Registration Process for Retrofit Products {1000, 3000, 7000, 7570}
2011/02/17

Caterpillar Parts SIS Catalog D8K :

3P-1690 GEAR GP-TRANSFER

3P-1689 PLANETARY GP

6P-3554 VALVE GP-PRIORITY

2M-7009 CONTROL GP-TRANSMISSION HYD

1P-4107 VALVE GP-SELECTOR

8M-2502 VALVE GP-SELECTOR

1P-4145 VALVE GP-PRESSURE CONTROL

6P-5431 CONTROL GP-TRANSMISSION

Truck sale:

38,925

Caterpillar D8K, Construction
- Dozers
MICHIGAN CAT

$29,877 USD

CATERPILLAR D8K 1981
- TRACK TYPE TRACTORS
FINNING (CANADA)
16830 107 Avenue NW - Edmonton - Alber

CATERPILLAR D8K 1977
- TRACK TYPE TRACTORS
FINNING (CANADA)
16830 107 Avenue NW - Edmonton - Alber

CATERPILLAR D8K 1979
- TRACK TYPE TRACTORS
FINNING (CANADA)
16830 107 Avenue NW - Edmonton - Alber

CATERPILLAR D8K 1980
- TRACK TYPE TRACTORS
FINNING (CANADA)
16830 107 Avenue NW - Edmonton - Alber