2P9185 TRANSMISSION HYDRAULIC CONTROL GROUP Serial No. 7R475 to 482, 484 to 493 and 7R495-Up Part of 5S6969 Transmission Group shown on Page 56 2P9179 and 7S4621 Valve parts are shown on Pages 62B and 63 D4D

2P9185 TRANSMISSION HYDRAULIC CONTROL GROUP
Serial No. 7R475 to 482, 484 to 493 and 7R495-Up
Part of 5S6969 Transmission Group shown on Page 56
2P9179 and 7S4621 Valve parts are shown on Pages 62B and 63

c113986 UEH0215S

2P9185 CONTROL GP-TRANSMISSION HYD Parts scheme

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Parts for your D4D TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3S-9932	[2]	SLEEVE
2.	8M-4438	[4]	SEAL
3.	8S-9101	[1]	CLIP
4.	9H-0223	[2]	SEAL
5.	3S-9931	[1]	SLEEVE
6.	8M-4389	[11]	SEAL
7.	7B-2500	[1]	RING
8.	8S-6355	[1]	PLATE
9.	2P-9179 Y	[1]	VALVE GROUP
			(See Separate Illustration)
10.	3S-9933	[2]	SLEEVE
11.	7S-4621 Y	[1]	VALVE GROUP
			(See Separate Illustration)
12.	3S-4346	[18]	BOLT
13.	9M-1974	[18]	WASHER
14.	1A-5964	[4]	BOLT
15.	5M-2894	[6]	WASHER
16.	9M-8186	[2]	WASHER
17.	3S-9930	[2]	SHAFT
18.	1M-8147	[2]	RING
19.	3S-9934	[2]	LINK
20.	0S-1571	[2]	BOLT
21.	3S-9929	[2]	LEVER
	Y		SEPARATE ILLUSTRATION

#UEH0215S0121

3S-9977: SELECTOR VALVE GROUP

SELECTOR VALVE GROUP

3S9977 SELECTOR VALVE GROUP
Serial No. 7R1 to 393, 395 to 402, 405 and 7R406 inclusive
Part of 3S9955 Transmission Hydraulic Control Group shown on Page 60A

c101029 UEH0215S

3S9977 SELECTOR VALVE GROUP Parts scheme

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Parts for your D4D TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7S-4607	[2]	DETENT ASSEM.
2.	4H-3119	[1]	PIN
3.	3S-9953	[1]	STOP
4.	3S-9947	[1]	SPOOL
5.	3S-9937	[1]	STOP
6.	3S-9936	[1]	SPRING
7.	5B-3135	[1]	BOLT
8.	4L-3754	[1]	LOCK
9.	3S-9938	[1]	SPOOL
10.	3S-9939	[1]	SPOOL
11.		[1]	BODY
12.	5M-5693	[1]	WASHER
13.	9M-1974	[1]	WASHER
14.	1A-9579	[1]	BOLT

#UEH0215S0122

3S-9977: SELECTOR VALVE GROUP

SELECTOR VALVE GROUP

3S9977 SELECTOR VALVE GROUP
Serial No. 7R394, 403, 404, 407 to 474, 483 and 7R494 inclusive
Part of 3S9955 Transmission Hydraulic Control Group shown on Page 60A

c113988 UEH0215S

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Parts for your D4D TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.		[2]	DETENT ASSEM.
2.		[1]	PIN
3.		[1]	STOP
4.		[1]	SPOOL
5.		[1]	STOP
6.		[1]	SPRING
7.	C	[1]	PLUG
8.		[1]	LOCK
9.		[1]	SPOOL
10.		[1]	SPOOL
11.		[1]	BODY
12.		[1]	WASHER
13.		[1]	WASHER
14.		[1]	BOLT
	C		INDICATES CHANGE

#UEH0215S0123

2P-9179: VALVE GP-SELECTOR

VALVE GP-SELECTOR

2P9179 SELECTOR VALVE GROUP
Serial No. 7R475 to 482, 484 to 493 and 7R495-Up
Part of 2P9185 Transmission Hydraulic Control Group shown on Page 61

c113989 UEH0215S

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Parts for your D4D TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7S-4607	[2]	DETENT AS
2.	2H-1191	[1]	COVER-RACK BOOST
3.	3S-9953	[1]	STOP
4.	8S-3406	[1]	SPOOL-RATIO
5.	8M-8128	[1]	SLUG
6.	8H-5244	[1]	DOWEL
7.	6K-5994	[1]	PLUG
8.	4L-3754	[1]	LOCK-NUT
9.	2P-9177	[1]	SPOOL-SELECTOR
10.	3S-9939	[1]	SPOOL-SPEED SELECTOR
11.	Z	[1]	BODY
12.	5M-5693	[1]	WASHER
13.	9M-1974	[3]	WASHER
14.	1A-9579	[1]	BOLT
15.	1T-0414	[2]	BOLT-12 POINT HEAD
16.	1S-3168	[1]	STOP
	Z		NOT SERVICED SEPARATELY

#UEH0215S0124

7S-4621: VALVE GP-PRESSURE CONTROL

VALVE GP-PRESSURE CONTROL

7S4621 PRESSURE CONTROL VALVE GROUP
Serial NO. 7R1 to 474, 7R483 and 7R494 inclusive
Part of 3S9955 Transmission Hydraulic Control Group shown on Page 60A

c106664 UEH0215S

7S4621 VALVE GP-PRESSURE CONTROL Parts scheme

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Parts for your D4D TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4S-8654	[1]	STOP
2.	8S-3354	[1]	SPOOL
3.	3S-9949	[1]	SPRING (Inner)
4.	3S-9951	[1]	WASHER
5.	3S-9950	[1]	SPRING (Outer)
6.	8M-5248	[1]	SEAL
7.	3S-9941	[1]	COVER
8.	3S-9948	[1]	PLUG
9.	7S-4594	[1]	PISTON
10.	8M-5254	[1]	SEAL
11.	0L-1351	[7]	BOLT
12.	7S-4595	[1]	SPRING (Inner)
13.	7B-3039	[1]	SPRING
14.	3S-9940	[1]	POPPET
15.	5D-4822	[1]	RING
16.	7S-4596	[1]	SPRING (Outer)
17.	5M-6214	[4]	PLUG
18.	7M-1396	[1]	SPACER (.062" Thick)
	7M-1397	[2]	SPACER (.036" Thick)
	5M-3492	[3]	SPACER (.010" Thick)
19.	7S-4609	[1]	SPOOL ASSEM.
20.	5M-8009	[1]	PIN
21.	4M-2381	[1]	SPRING
22.	1S-2121	[1]	PLUNGER
23.	3D-8317	[1]	RING
24.	8M-1013	[1]	RETAINER
			(Parts of 7S4609 Spool Assem.)
25.	2M-7041	[1]	SLUG
26.	5S-7858	[1]	PLATE

#UEH0215S0125

7S-4621: VALVE GP-PRESSURE CONTROL

VALVE GP-PRESSURE CONTROL

7S4621 PRESSURE CONTROL VALVE GROUP
Serial No. 7R475 to 482, 484 to 493 and 7R495-Up
Part of 2P9185 Transmission Hydraulic Control Group shown on Page 61

c207835 UEH0215S

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Parts for your D4D TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4S-8654	[1]	STOP
2.	1P-0561 C	[1]	SPOOL-DIFFERENTIAL SAFETY
3.	3S-9949	[1]	SPRING (INNER)
4.	3S-9951	[1]	WASHER-STOP
5.	3S-9950	[1]	SPRING (OUTER)
6.	8M-5248	[1]	SEAL-O-RING
7.	3S-9941	[1]	COVER
8.	3S-9948	[1]	PLUG
9.	7S-4594	[1]	PISTON-LOAD
10.	8M-5254	[1]	SEAL-O-RING
11.	0L-1351 C	[3]	BOLT
12.	7S-4595	[1]	SPRING (INNER)
13.	7B-3039	[1]	SPRING
14.	3S-9940	[1]	POPPET
15.	5D-4822	[1]	RING-RETAINING
16.	7S-4596	[1]	SPRING (OUTER)
17.	5M-6214	[4]	PLUG-PIPE
18.	7M-1396	[1]	SPACER (.062IN THICK)
	7M-1397	[2]	SPACER (.036IN THICK)
	5M-3492	[3]	SPACER (.010IN THICK)
19.	9S-8440	[1]	SPOOL AS-RELIEF
20.	5M-8009	[1]	PIN-SPRING
21.	4M-2381	[1]	SPRING
22.	1S-2121	[1]	PLUNGER-DAMPING
23.	3D-8317	[1]	RING-RETAINING
24.	8M-1013	[1]	RETAINER
25.	2M-7041	[1]	SLUG
26.	9S-8442 C	[1]	PLATE
27.	0S-1594 C	[4]	BOLT
28.	1P-9620 C	[1]	RING-RETAINING
	C		CHANGE FROM PREVIOUS TYPE

#UEH0215S0126

4S-8710: GEAR GP-TRANSFER

GEAR GP-TRANSFER

TRANSFER GEAR (4S8710 N/S)
Serial No. 7R1 to 7R433 inclusive
Part of Transmission shown on Page 56

c113138 UEH0215S

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Parts for your D4D TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.		[4]	SEAL
2.		[1]	SEAL
3.	C	[8]	BOLT
	C	[4]	LOCK
4.	C	[2]	RING
5.		[1]	RACE
6.		[1]	INNER RACE AND ROLLER ASSEM.
7.	C	[1]	RING
8.	C	[1]	INNER RACE AND ROLLER ASSEM.
9.	C	[1]	RACE
10.	C	[1]	GEAR ASSEM. (81 Teeth)
		[1]	DOWEL
11.		[1]	RING
12.		[1]	BALL
13.	C	[1]	MANIFOLD ASSEM.
14.		[1]	CARRIER
15.		[12]	BOLT
		[12]	LOCKWASHER
16.		[1]	CASE
17.		[1]	CAGE
18.	C	[7]	BOLT
		[2]	LOCK
19.		[1]	SHAFT (12 Teeth)
20.		[1]	BEARING ASSEM.
21.		[1]	RETAINER
22.		[2]	SHIM PACK
23.		[1]	SEAL
24.	C	[1]	PLUG
	C	[1]	SEAL
	C		INDICATES CHANGE

#UEH0215S0127

4S-8710: GEAR GP-TRANSFER

GEAR GP-TRANSFER

4S8710 TRANSFER GEAR GROUP
Serial No. 7R434-Up
Part of 5S6969 Transmission Group shown on Page 56

c207503 UEH0215S

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Parts for your D4D TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8M-4432	[ 4]	SEAL
2.	4S-5924	[ 1]	SEAL
3.	1A-2029	[ 8]	BOLT
	0L-0796	[ 4]	LOCK
4.	2P-4417 C	[ 2]	RING
5.	4B-8351	[ 1]	RACE
6.	4B-8352	[ 1]	INNER RACE AND ROLLER ASSEM.
7.	8S-6249 C	[ 1]	RING
8.	5H-0033	[ 1]	SEAL
9.	9S-4191	[ 1]	PLUG
	3J-1907	[ 1]	SEAL
10.	2P-4407 C	[ 1]	GEAR (81 Teeth)
11.	5H-6199	[ 1]	RING
12.	4B-9880	[ 1]	BALL
13.	2P-4403 C	[ 1]	MANIFOLD ASSEM.
14.	6P-6242 C	[ 1]	CARRIER
15.	0S-1587	[ 12]	BOLT
	3B-4508	[ 12]	LOCKWASHER
16.	5S-0913	[ 1]	CASE
17.	4S-8698	[ 1]	CAGE
18.	9S-1366	[ 7]	BOLT
	4K-5420	[ 2]	LOCK
19.	3P-0783 C	[ 1]	SHAFT (12 Teeth)
20.	5P-3086 C	[ 1]	BEARING ASSEM.
21.	4K-5081	[ 1]	RETAINER
22.	4K-5082	[ 2]	SHIM PACK
			INDICATES CHANGE

#UEH0215S0128

3A-1596: STEERING CLUTCH

STEERING CLUTCH

STEERING CLUTCH (3A1596 N/S)
Serial No. 7R1 to 7R433 inclusive

c113145 UEH0215S

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Parts for your D4D TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
4B-9806	[4]	SET SCREW
3F-5504	[22]	DISC ASSEM.
		(95 TEETH)
1B-4102	[2]	BEARING
2M-1086	[2]	PLATE ASSEM.
8H-1174	[2]	DRUM
6B-8807	[16]	SPRING
2B-9020	[16]	RETAINER
2B-8759	[16]	STUD
2B-9018	[32]	LOCK
6B-8804	[16]	SPRING
0L-2341	[2]	NUT
3B-5524	[2]	LOCK
7K-8130	[1]	SHAFT
6H-3569	[2]	BUSHING
		(1 IN EACH PLATE ASSEM.2M1086)
0S-1624	[4]	BOLT
3B-4510	[4]	LOCKWASHER
9H-7415	[2]	CAGE
2A-3746	[4]	PLUG
2H-6936	[20]	DISC (8 TEETH)
1H-8129	[2]	NUT
4K-4894	[2]	CAGE
4K-4390	[2]	SEAL
1H-7478	[2]	RING
5F-3144	[2]	SEAL
1H-7422	[2]	RING
0L-1351	[2]	BOLT
0L-0364	[2]	LOCK
4K-4943	[1]	LOCK
2B-8778	[2]	NUT
6H-3568	[2]	CUP
4K-4877	[1]	DEFLECTOR
0S-0130	[2]	PIN
3B-4990	[8]	BOLT
2K-4821	[8]	NUT
6H-3566	[2]	CONE
6H-3581	[2]	THROWER
8F-4469	[2]	SEAL
4K-4632	[1]	BEVEL GEAR (53 TEETH)

#UEH0215S0129

3A-3256: STEERING CLUTCH

STEERING CLUTCH

STEERING CLUTCH (3A3256 N/S)
Serial No. 7R434-Up

c200317 UEH0215S

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Parts for your D4D TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
4B-9806	[4]	SET SCREW
3F-5504	[22]	DISC ASSEM.
		(95 TEETH)
1B-4102	[2]	BEARING
2M-1086	[2]	PLATE ASSEM.
3A-3091	[2]	DRUM
6B-8807	[16]	SPRING
2B-9020	[16]	RETAINER
2B-8759	[16]	STUD
2B-9018	[32]	LOCK
6B-8804	[16]	SPRING
0L-2341	[2]	NUT
3B-5524	[2]	LOCK
9K-0323	[1]	SHAFT
6H-3569	[2]	BUSHING
		(1 IN EACH PLATE ASSEM.2M1086)
0S-1624	[4]	BOLT
3B-4510	[4]	LOCKWASHER
9H-7418	[2]	CAGE ASSEM.
9H-7415	[2]	CAGE
2A-3746	[4]	PLUG
		(1/2 EACH IN 9H7418 ASSEM.)
2H-6936	[20]	DISC (8 TEETH)
8K-9637 C	[2]	NUT
4K-4894	[2]	CAGE
4K-4390	[2]	SEAL
1H-7478	[2]	RING
5F-3144	[2]	SEAL
1H-7422	[2]	RING
0L-1351	[2]	BOLT
0L-0364	[2]	LOCK
4K-4943	[1]	LOCK
2B-8778	[2]	NUT
6H-3568	[2]	CUP
4K-4877	[1]	DEFLECTOR
0S-0130	[2]	PIN
0S-1566	[11]	BOLT
9K-5706 C	[1]	BOLT
2K-0337	[1]	NUT
6H-3566	[2]	CONE
6H-3581	[2]	THROWER
8F-4469	[2]	SEAL
9K-0322	[1]	BEVEL GEAR (53 TEETH)
C		INDICATES CHANGE

Information:

POWER TRAIN

CONTROL GP-TRANSMISSION HYD

Specifications

Hydraulic Controls For The Transmission<BR> (Power Shift)
D4D TRACTOR POWER TRAIN

Disassembly and Assembly

Transmission Hydraulic Controls (Power Shift)
D4D TRACTOR POWER TRAIN

Caterpillar Parts SIS Catalog D4D :

3S-9955 CONTROL GP-HYDRAULIC

TRANSMISSION CONTROL

2P-4416 TRANSMISSION GP-PLANETARY

4S-8686 PLANETARY TRANSMISSION

5S-6969 TRANSMISSION GROUP

3S-9977 SELECTOR VALVE GROUP

2P-9179 VALVE GP-SELECTOR

7S-4621 VALVE GP-PRESSURE CONTROL

4S-8710 GEAR GP-TRANSFER

3A-1596 STEERING CLUTCH

Truck sale:

14,000

Caterpillar D4D, Construction
- Dozers
MICHIGAN CAT

CATERPILLAR D4D 1966
- TRACK TYPE TRACTORS
MICHIGAN CAT
US (Mid, North), Canada, ON West: John Kinney; US (NE, SE, SW), Canada QU East, AUS: Bill Dowd;

CATERPILLAR D4D 1973
- TRACK TYPE TRACTORS
MICHIGAN CAT
US (Mid, North), Canada, ON West: John Kinney; US (NE, SE, SW), Canada QU East, AUS: Bill Dowd;

USD $39,016

CAT D4D

Hydraulics & Tractors Service Pty Ltd
Dubbo, NSW, Australia

USD $18,900

CAT D4D

DRC Ranch