2P9185 TRANSMISSION HYDRAULIC CONTROL GROUP Serial No. 28X1 to 28X1518 inclusive. Transmission Serial No. 48A1-Up and 3ZA1-Up. IF TRANSMISSION IS SERIALIZED USE TRANSMISSION SERIAL NO. OTHERWISE USE VEHICLE SERIAL NO. Part of 5S886 and 9P857 Transmission Groups shown on Pages 98 and 99 2P9179 and 7S4621 Valve parts are shown on Pages 105 and 106 D4E

2P9185 TRANSMISSION HYDRAULIC CONTROL GROUP
Serial No. 28X1 to 28X1518 inclusive. Transmission Serial No. 48A1-Up and 3ZA1-Up. IF TRANSMISSION IS SERIALIZED USE
TRANSMISSION SERIAL NO. OTHERWISE USE VEHICLE SERIAL NO. Part of 5S886 and 9P857 Transmission Groups shown on Pages 98 and 99
2P9179 and 7S4621 Valve parts are shown on Pages 105 and 106

c113986 SEBP1168

2P9185 CONTROL GP-TRANSMISSION HYD Parts scheme

For full view, you need register

Parts for your D4E 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

#SEBP11680241

2P-9179: VALVE GP-SELECTOR

VALVE GP-SELECTOR

2P9179 SELECTOR VALVE GROUP
Serial No. 28X1 to 28X1518 inclusive, Transmission Serial No. 4BA1-Up and 3ZA1-Up
IF TRANSMISSION IS SERIALIZED USE TRANSMISSION SERIAL NO. OTHERWISE USE VEHICLE SERIAL NO.
Part of 2P9185 Transmission Hydraulic Control Group shown on Page 104

c113989 SEBP1168

For full view, you need register

Parts for your D4E 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

#SEBP11680242

7S-4621: VALVE GP-PRESSURE CONTROL

VALVE GP-PRESSURE CONTROL

7S4621 PRESSURE CONTROL VALVE GROUP
Serial No. 28X1 to 28X1518 inclusive. Transmission Serial No. 4BA1-Up and 3ZA1-Up
IF TRANSMISSION IS SERIALIZED USE TRANSMISSION SERIAL NO. OTHERWISE USE VEHICLE SERIAL NO.
Part of 2P9185 Transmission Hydraulic Control Group shown on Page 104

c207835 SEBP1168

7S4621 VALVE GP-PRESSURE CONTROL Parts scheme

For full view, you need register

Parts for your D4E 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

#SEBP11680243

4S-8710: GEAR GP-TRANSFER

GEAR GP-TRANSFER

4S8710 TRANSFER GEAR GROUP
Serial No. 28X1 to 28X1282, 28X1290 inclusive and Test No. 17322 to 21105 inclusive
Part of 5S886 Transmission Group shown on Page 98

c165134 SEBP1168

For full view, you need register

Parts for your D4E 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	[2]	RING
5.	4B-8351	[1]	RACE
6.	4B-8352	[1]	INNER RACE AND ROLLER ASSEM.
7.	8S-6249	[1]	RING
8.	5H-0033	[1]	SEAL
9.	9S-4191	[1]	PLUG
	3J-1907	[1]	SEAL
10.	2P-4407	[1]	GEAR (81 teeth)
11.	5H-6199	[1]	RING
12.	4B-9880	[1]	BALL
13.	6P-7708 C	[1]	MANIFOLD ASSEM.
			(Includes)
14.	6P-7704	[1]	CARRIER
15.	6B-6863	[1]	PIN
16.	5S-0913	[1]	CASE
17.	4S-8698	[1]	CAGE
18.	9S-1366	[7]	BOLT
	4K-5420	[2]	LOCK
19.	3P-0783	[1]	SHAFT (12 teeth)
20.	5P-3086	[1]	BEARING ASSEM.
21.	4K-5081	[1]	RETAINER
22.	4K-5082	[2]	SHIM PACK
23.	0S-1587	[12]	BOLT
	3B-4508	[12]	LOCKWASHER
	C		INDICATES CHANGE

#SEBP11680244

4S-8710: GEAR GP-TRANSFER

GEAR GP-TRANSFER

4S8710 TRANSFER GEAR GROUP
Serial No. 28X1283 to 28X1289 and 28X1291 to 28X1518 inclusive and Test No.
21106-Up. Transmission Serial No. 3ZA1-Up. IF TRANSMISSION IS SERIALIZED
USE SERIALIZED USE TRANSMISSION SERIAL NO. OTHERWISE USE VEHICLE
SERIAL NO. Part of 5S886 Transmission Group shown on Page 98

c173361 SEBP1168

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Parts for your D4E TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8M-4432	[4]	SEAL-O-RING
2.	4S-5924	[1]	SEAL-O-RING
3.	1A-2029	[8]	BOLT
	0L-0796	[4]	LOCK
4.	7G-2830 C	[2]	RING-SEAL
5.	4B-8351	[1]	RACE-BEARING-OUTER
6.	4B-8352	[1]	BEARING-INNER
7.	8S-6249	[1]	RING-RETAINING
8.	1S-8815 C	[1]	SEAL-LIP TYPE
9.	9S-4191	[1]	PLUG-O-RING
	3J-1907	[1]	SEAL
10.	2P-4407	[1]	GEAR (81 TEETH)
11.	5H-6199	[1]	RING-RETAINING
12.	4B-9880	[1]	BALL
13.	6P-7708	[1]	MANIFOLD AS
14.	6P-7704	[1]	CARRIER-RING
15.	6B-6863	[1]	PIN-SPRING
16.	5S-0913	[1]	CASE-TRANSFER GEAR
17.	7G-4810 C	[1]	CAGE-BEARING
18.	9S-1366	[7]	BOLT
	4K-5420	[2]	LOCK
19.	7G-5621 C	[1]	SHAFT-BEVEL PINION (21 TEETH)
20.	5P-3086	[1]	BEARING AS-ROLLER
21.	4K-5081	[1]	RETAINER
22.	4K-5082	[2]	SHIM
23.	0S-1587	[12]	BOLT
	3B-4508	[12]	LOCKWASHER
24.	4H-7859 C	[1]	NUT-BEARING LOCK
	1B-6161 C	[1]	LOCK-NUT
25.	7G-4811 C	[1]	SPACER
	2K-2939 C	[1]	SEAL-O-RING
	C		CHANGE FROM PREVIOUS TYPE

#SEBP11680245

6P-0550: POWER TAKE-OFF GP

POWER TAKE-OFF GP

6P550 POWER TAKE-OFF GROUP-Part 1-Type 1
Serial No. 28X1 to 28X1518 inclusive. Transmission Serial No. 4BA1-Up. IF TRANS-
MISSION IS SERIALIZED USE TRANSMISSION SERIAL NO. OTHERWISE USE
VEHICLE SERIAL NO. Part of 9P857 Transmission Group shown on Page 99
AN ATTACHMENT

c207498 SEBP1168

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Parts for your D4E TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3P-8334	[1]	CASE
2.	0L-0796	[4]	LOCK
3.	1A-2029	[16]	BOLT
4.	5M-2894	[8]	WASHER
5.	6P-0425	[1]	CAGE
	6P-0466	[1]	SHIM PACK (6 shims)
6.	0S-1587	[12]	BOLT
	3B-4508	[12]	LOCKWAHHER
7.	6P-0541	[1]	SHAFT
8.	7M-5761	[2]	WASHER
9.	1M-8735	[2]	CONE
	1M-8736	[2]	CUP
10.	6P-0533	[1]	GEAR (23 teeth)
11.	6P-0542	[1]	SHAFT
12.	6P-0534	[1]	GEAR (29 teeth)
	5M-2051	[1]	ROLLER ASSEM.
13.	6P-0424	[1]	CAGE
	6P-0467	[1]	SHIM PACK (6 shims)

#SEBP11680246

6P-0550: POWER TAKE-OFF GP

POWER TAKE-OFF GP

6P550 POWER TAKE-OFF GROUP-Part 2-Type 1
Serial No. 28X1 to 28X1518 inclusive. Transmission Serial No. 4BA1-Up. IF TRANS-
MISSION IS SERIALIZED USE TRANSMISSION SERIAL NO. OTHERWISE USE
VEHICLE SERIAL NO. Part of 9P857 Transmission Group shown on Page 99
AN ATTACHMENT

c207499 SEBP1168

For full view, you need register

Parts for your D4E TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3P-0783	[1]	SHAFT
2.	5P-3086	[1]	BEARING
3.	5H-0033	[1]	SEAL
4.	9S-4191	[1]	PLUG
	3J-1907	[1]	SEAL
5.	8M-4432	[4]	SEAL
6.	6P-7708	[1]	MANIFOLD ASSEM.
			(Includes)
	6B-6863	[1]	PIN
7.	6P-7704	[1]	CARRIER
8.	2P-4417	[2]	RING
9.	2P-4407	[1]	GEAR (16 teeth)
10.	8S-6249	[1]	RING
11.	5H-6199	[1]	RING
12.	4B-8351	[1]	RACE (outer)
	4B-8352	[1]	RACE AND ROLLER ASSEM. (inner)
13.	4B-9880	[1]	BALL
14.	4S-5924	[1]	SEAL
15.	1M-8736	[2]	CUP
	1M-8735	[2]	CONE
16.	5P-2832	[1]	SEAL
17.		[1]	GEAR (37 teeth)
18.	8S-3569	[2]	SHIM
19.	4S-8698	[1]	CAGE
20.	9S-1366	[7]	BOLT
	4K-5420	[2]	LOCK
21.	4K-5081	[1]	RETAINER

#SEBP11680247

6P-0550: POWER TAKE-OFF GP

POWER TAKE-OFF GP

6P550 POWER TAKE-OFF GROUP-Part 1-Type 2
Serial No. 28X1 to 28X1518 inclusive. Transmission Serial No. 4BA1-Up. IF TRANS-
MISSION IS SERIALIZED USE TRANSMISSION SERIAL NO. OTHERWISE USE
VEHICLE SERIAL NO. Part of 9P857 Transmission Group shown on Page 99
AN ATTACHMENT

c173362 SEBP1168

For full view, you need register

Parts for your D4E TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3P-8334	[1]	CASE
2.	0L-0796	[4]	LOCK
3.	1A-2029	[16]	BOLT
4.	5M-2894	[8]	WASHER
5.	6P-0425	[1]	CAGE
	6P-0466 C	[2]	SHIM PACK (6 shim)
6.	0S-1587	[12]	BOLT
	3B-4508	[12]	LOCKWASHER
7.	6P-0541	[1]	SHAFT
8.	7G-0897 C	[2]	WASHER
9.	3N-6412 C	[2]	CONE
	3N-6411 C	[2]	CUP
10.	6P-0533	[1]	GEAR (23 teeth)
11.	6P-0542	[1]	SHAFT
12.	6P-0534	[1]	GEAR (29 teeth)
	5M-2051	[1]	ROLLER ASSEM.
13.	6P-0424	[1]	CAGE
	6P-0467 C	[2]	SHIM PACK (6 shims)
	C		INDICATES CHANGE

#SEBP11680248

6P-0550: POWER TAKE-OFF GP

POWER TAKE-OFF GP

6P550 POWER TAKE-OFF GROUP-Part 2-Type 2
Serial No. 28X1 to 28X1518 inclusive. Transmission Serial No. 4BA1-Up. IF TRANS-
MISSION IS SERIALIZED USE TRANSMISSION SERIAL NO. OTHERWISE USE
VEHICLE SERIAL NO. Part of 9P857 Transmission Group shown on Page 99
AN ATTACHMENT

c173363 SEBP1168

For full view, you need register

Parts for your D4E TRACK-TYPE TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7G-5621 C	[1]	SHAFT
2.	5P-3086	[1]	BEARING
3.	1S-8815 C	[1]	SEAL
4.	9S-4191	[1]	PLUG
	3J-1907	[1]	SEAL
5.	8M-4432	[4]	SEAL
6.	6P-7708	[1]	MANIFOLD ASSEM.
			(Includes)
	6B-6863	[1]	PIN
7.	6P-7704	[1]	CARRIER
8.	7G-2830 C	[2]	RING
9.	2P-4407	[1]	GEAR (16 teeth)
10.	8S-6249	[1]	RING
11.	5H-6199	[1]	RING
12.	4B-8351	[1]	RACE (outer)
	4B-8352	[1]	RACE AND ROLLER ASSEM. (inner)
13.	4B-9880	[1]	BALL
14.	4S-5924	[1]	SEAL
15.	3N-6411 C	[2]	CUP
	3N-6412 C	[2]	CONE
16.	5P-2832	[1]	SEAL
17.		[1]	GEAR (37 teeth)
18.	4K-5082 C	[2]	SHIM
19.	7G-4810 C	[1]	CAGE
20.	9S-1366	[7]	BOLT
	4K-5420	[2]	LOCK
21.	4K-5081	[1]	RETAINER
22.	2K-2939 C	[1]	SEAL
23.	4H-7859 C	[1]	NUT
	1B-6161 C	[1]	LOCK
24.	7G-4811 C	[1]	SPACER
	C		INDICATES CHANGE

#SEBP11680249

8P-6221: COVER GP-TORQUE CONVERTER

COVER GP-TORQUE CONVERTER

8P6221 TORQUE CONVERTER COVER GROUP
Serial No. 28X1 to 28X1518 inclusive. Transmission Serial No. 3ZA1-Up. IF TRANS-
MISSION IS SERIALIZED USE TRANSMISSION SERIAL NO. OTHERWISE USE
VEHICLE SERIAL NO. Part of 8P4917 Powershift Transmission Arrangement shown
on Page 93

c161662 SEBP1168