7P2680 HYDROSTATIC LINES GROUP 953 TRACK LOADER

POWER TRAIN

LINES GP-HYDROSTATIC

0. 7P-2680 LINES GP-H

FILTER GP

1. 3G-1856 FILTER GP
2. 3G-1856 FILTER GP

HYDRAULIC SYSTEM

CYLINDER GP

3. 3G-5016 CYLINDER G
4. 3G-5017 CYLINDER G

POWER TRAIN

PUMP GP

5. 1U-0390 PUMP GP-GE

MOTOR GP

6. 4T-0330 MOTOR GP-P
7. 4T-0330 MOTOR GP-P
8. 4T-1695 MOTOR GP-P
9. 4T-1695 MOTOR GP-P
0. INFORMATION

TRACK LOADER 953 TRACK LOADER 05Z
953 LGP TRACK LOADER 05Z00001-00344 (MACHINE) POWERED BY 3204 ENGINE SEBP1316 953 05Z (1981)

POWER TRAIN

LINES GP-HYDROSTATIC

3G-5973 LINES GP-HYDRO POWER CASE

7P-2680 LINES GP-HYDROSTATIC

#SEBP13160210

7P-2680: LINES GP-HYDROSTATIC

LINES GP-HYDROSTATIC

7P2680 HYDROSTATIC LINES GROUP

c237266 SEBP1316

7P2680 LINES GP-HYDROSTATIC Parts scheme

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Parts for your 953 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3D-2824	[6]	SEAL
2.	6V-3965	[2]	NIPPLE ASSEM.
	2P-8421	[2]	ADAPTER
	6V-0852	[2]	CAP
	3J-1907	[2]	SEAL
3.	030-7950	[2]	ELBOW
4.	1A-1460	[16]	BOLT
	5P-8245	[16]	WASHER
5.	2R-6276	[1]	CONNECTOR
6.	3R-9704	[1]	ELBOW
7.	7P-7127	[1]	HOSE ASSEM.
			(Includes)
	5P-8285 H		HOSE 44 cm (17.32 in.)
	5P-3155	[1]	STEM ASSEM. (60 degrees)
8.	5P-6449	[2]	SLEEVE
9.	5P-7860	[1]	STEM ASSEM. (90 degrees)
10.	7P-7125	[1]	HOSE ASSEM. 550mm(21.66 in.)
11.	8G-1171	[1]	HOSE ASSEM. 375mm(14.77 in.)
12.	030-7944	[1]	ELBOW
13.	7P-7126	[1]	HOSE ASSEM.
			(Includes)
	5P-8285 H		HOSE 44 cm (17.32 in.)
	5P-3155	[1]	STEM ASSEM. (60 degrees)
14.	5P-6449	[2]	SLEEVE
15.	5P-7860	[1]	STEM ASSEM. (90 degrees)
16.	1P-5767	[8]	FLANGE
	1P-3704	[8]	SEAL
17.	7P-7129 C	[1]	HOSE ASSEM.
			(Includes)
	5P-8285 H		HOSE 104 cm (40.9 in.)
	5P-3158	[1]	STEM ASSEM. (30 degrees)
18.	8G-3817	[1]	TUBE
19.	5P-6449	[2]	SLEEVE
20.	5P-7860	[1]	STEM ASSEM. (90 degrees)
21.	7P-7128 C	[1]	HOSE ASSEM.
			(Includes)
	5P-8285 H		HOSE 104 cm (40.9 in.)
	5P-3158	[1]	STEM ASSEM. (30 degrees)
22.	8G-3817	[1]	TUBE
23.	5P-6449	[2]	SLEEVE
24.	5P-7860	[1]	STEM ASSEM. (90 degrees)
	C		INDICATES CHANGE
	H		ORDER BY THE CENTIMETER

#SEBP13160211

3G-1856: FILTER GP

FILTER GP

3G1856 MAIN FILTER GROUP
Transmission Serial No. 4NA1 to 4NA863, 865 to 881, 883 to 946, 948 to 953, 955 to
1027, 1029 to 1049, 1051 to 1082, 1085, 1087, 1088, 1090 to 1105, 1107, 1108, 1110 to
1120, 1122 to 1134, 1136 to 1138, 1140 to 1158, 1160 to 1205, 1208, 1209 and 4NA1211 to
4NA1230 inclusive

c226432 SEBP1316

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Parts for your 953 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7B-3235	[6]	BOLT
	5P-8245	[6]	WASHER
2.	5P-0840	[1]	SEAL-O-RING
3.	3G-1871	[1]	COVER AS
4.	3G-1873	[1]	PLATE AS
5.	2J-4045	[1]	SPRING
6.	4J-6064	[1]	ELEMENT-FILTER
7.	3G-1857	[1]	HOUSING
8.	9S-9334	[2]	PLUG
	7M-8485	[2]	SEAL-O-RING
9.	3G-1875	[1]	PLATE
10.	3K-6060	[1]	LOCKNUT
11.	4B-4280	[1]	WASHER
	3B-4617	[1]	COTTER
12.	6J-5541	[1]	SEAL-O-RING

#SEBP13160212

3G-1856: FILTER GP

FILTER GP

3G1856 MAIN FILTER GROUP
Transmission Serial No. 4NA864, 882, 947, 954, 1028, 1050, 1083, 1084, 1086, 1089, 1106,
1109, 1121, 1135, 1139, 1159, 1206, 1207, 1210 and 4NA1231--Up. Part of 9J5378
Hydrostatic Power Control Arrangement listed on Page 91

c305781 SEBP1316

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Parts for your 953 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7B-3235	[6]	BOLT
	5P-8245	[6]	WASHER
2.	5P-0840	[1]	SEAL
3.	4T-2639 C	[1]	COVER ASSEM.
4.	3G-1873	[1]	PLATE ASSEM.
5.	2J-4045	[1]	SPRING
6.	4J-6064	[1]	ELEMENT
7.	3G-1857	[1]	HOUSING
8.	4T-2638 C	[1]	PLUG
	7M-8485	[2]	SEAL
9.	3G-1875	[1]	PLATE
10.	6V-5804 C	[1]	BOLT
11.	4B-4280	[1]	WASHER
	3B-4617	[1]	COTTER
12.	6J-5541	[1]	SEAL
13.	9S-8005 C	[1]	PLUG
14.	3K-0360 C	[1]	SEAL
15.	4B-7033 C	[1]	SPRING
16.	5M-2894 C	[1]	WASHER
	C		INDICATES CHANGE

#SEBP13160213

3G-5016: CYLINDER GP

CYLINDER GP

3G5016 CYLINDER GROUP (Change 1) L.H. 82.55 mm (3.25 in.) Bore x 84 mm
(3.31 in.) Stroke
Part of 9J5378 Hydrostatic Power Control Arrangement listed on Page 91

c231544 SEBP1316

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Parts for your 953 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3G-5001	[1]	HOUSING AS-LH
2.	3G-5003	[2]	BEARING-SLEEVE
3.	6J-0793	[1]	SEAL AS
4.	3G-4991	[1]	PISTON
5.	3G-4725	[1]	HEAD
6.	9J-8116	[1]	SEAL-QUAD RING
7.	3G-4659	[1]	ROD
8.	9J-8765	[1]	WIRE
9.	1H-7339	[1]	SEAL-O-RING
10.	5P-8244	[1]	WASHER
11.	5P-8864	[1]	BOLT

#SEBP13160214

3G-5017: CYLINDER GP

CYLINDER GP

3G5017 CYLINDER GROUP (Change 1) R.H. 82.55 mm (3.25 in.) Bore x 84 mm
(3.31 in.) Stroke
Part of 9J5378 Hydrostatic Power Control Arrangement listed on Page 91

c231545 SEBP1316

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Parts for your 953 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3G-5002	[1]	HOUSING AS-RH
2.	3G-5003	[2]	BEARING-SLEEVE
3.	6J-0793	[1]	SEAL AS
4.	3G-4991	[1]	PISTON
5.	3G-4725	[1]	HEAD
6.	9J-8116	[1]	SEAL-QUAD RING
7.	3G-4659	[1]	ROD
8.	9J-8765	[1]	WIRE
9.	1H-7339	[1]	SEAL-O-RING
10.	5P-8244	[1]	WASHER
11.	5P-8864	[1]	BOLT

#SEBP13160215

1U-0390: PUMP GP-GEAR

PUMP GP-GEAR

1U390 PUMP GROUP--Charge--Fixed Displacement
Part of 9J5378 Hydrostatic Power Control Arrangement listed on Page 91

c231532 SEBP1316

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Parts for your 953 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1U-3221	[8]	STUD
	5B-3254	[8]	NUT
	5P-8244	[8]	WASHER
2.	4M-7668	[1]	SEAL
3.	5P-7604	[1]	RING
			THE FOLLOWING REPAIR KIT IS AVAILABLE:
	1U-3183	[1]	KIT (seal)

#SEBP13160216

4T-0330: MOTOR GP-PISTON

MOTOR GP-PISTON

4T330 LINK MOTOR GROUP--Part 1
Serial No. 5Z1 to 5Z242 inclusive
3G3253 Shuttle Valve parts are shown on Page 118

c231903 SEBP1316

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Parts for your 953 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1618	[6]	BOLT
2.	9M-1974	[6]	WASHER
3.	8J-6869	[1]	RETAINER
4.	3G-3099	[1]	BODY
5.	9S-9739	[16]	BOLT 68.5 mm(2.7 in.) long
6.	3G-5755	[1]	PLATE ASSEM.
			(Includes)
	3G-3739	[9]	INSERT
7.	8J-6239	[1]	LOCK
8.	3G-3100	[1]	BODY
9.	8B-1312	[2]	DOWEL
10.	4B-4158	[4]	SCREW
11.	8J-2559	[1]	PLATE (caution)
12.	4T-0329	[1]	HEAD ASSEM.
			(Includes)
13.	8J-6882	[3]	PLUG
14.	1B-9575	[4]	BOLT
15.	3G-3253 Y	[1]	VALVE GROUP
			(Separate Illustration)
16.	7F-8268	[1]	SEAL
17.	5J-5794	[4]	BOLT 95.2 mm(3.7 in.) long
18.	3G-5940	[1]	NUT
19.	3G-5778	[1]	BEARING ASSEM.
20.	1H-5338	[1]	CUP
	2K-5097	[1]	CONE
21.	4H-6520	[1]	SEAL
22.	1U-3906	[1]	PLATE
	Y		SEPARATE ILLUSTRATION

#SEBP13160217

4T-0330: MOTOR GP-PISTON

MOTOR GP-PISTON

4T330 LINK MOTOR GROUP--Part 2
Serial No. 5Z1 to 5Z242 inclusive

c231904 SEBP1316

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Parts for your 953 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6J-7854	[1]	RING
2.	8J-6244	[1]	RACE AND ROLLER ASSEM. (outer)
	8J-6243	[1]	RACE (inner)
3.	6J-7855	[2]	RING
4.	8J-6274	[1]	RING
5.	6J-7846	[3]	RACE
6.	3G-9680	[1]	SHAFT
7.	5H-6005	[3]	SEAL
8.	0S-1618	[2]	BOLT
9.	0S-1566	[1]	BOLT
	8J-6236	[1]	LOCK
10.	3G-2629	[1]	RETAINER
11.	9J-5716	[1]	TUBE
	8J-0438	[1]	SPRING
12.	9D-8042	[1]	SEAL
13.	3G-4530	[1]	SPRING
14.	3S-6867	[1]	BEARING
15.	9J-8052	[1]	RETAINER
16.	9J-9404	[9]	PISTON ASSEM.
			(Each Includes)
17.	8J-6276	[1]	RETAINER
18.	6J-7836	[1]	RING
19.	9J-8051	[1]	RETAINER
20.	3G-3740 R	[1]	BARREL ASSEM.
21.	1J-2176	[1]	SEAL
22.	8J-6273	[9]	RING
23.	3F-5792	[1]	SEAL
24.	5H-3182	[1]	PIN
25.	3G-4605	[1]	JOINT ASSEM.
			(Includes)
	2R-1256	[2]	RING
26.	8J-6277 B	[1]	SHIM 1.245 mm(.049 in.) thick
	8J-6278 B	[5]	SHIM .0762 mm(.003 in.) thick
	8J-6279 B	[5]	SHIM .1270 mm(.005 in.) thick
27.	8J-6242	[1]	SEAL
	B		USE AS REQUIRED
	R		REMFG PART MAY BE AVAILABLE

#SEBP13160218

4T-1695: MOTOR GP-PISTON

MOTOR GP-PISTON

4T1695 PISTON MOTOR GROUP--Part 1
Serial No. 5Z243 to 5Z308 inclusive
3G3253 Shuttle Valve parts are shown on Page 118

c303207 SEBP1316

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Parts for your 953 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1618	[6]	BOLT
2.	9M-1974	[6]	WASHER
3.	8J-6869	[1]	RETAINER
4.	3G-3099	[1]	BODY
5.	9S-9739	[16]	BOLT 68.5 mm(2.7 in.) long
6.	3G-5755	[1]	PLATE ASSEM.
			(Includes)
	3G-3739	[9]	INSERT
7.	8J-6239	[1]	LOCK
8.	3G-3100	[1]	BODY
9.	8B-1312	[2]	DOWEL
10.	4B-4158	[4]	SCREW
11.	8J-2559	[1]	PLATE (caution)
12.	4T-0329	[1]	HEAD ASSEM.
			(Includes)
13.	8J-6882	[3]	PLUG
14.	1B-9575	[4]	BOLT
15.	3G-3253 Y	[1]	VALVE GROUP
			(Separate Illustration)
16.	7F-8268	[1]	SEAL
17.	5J-5794	[4]	BOLT 95.2 mm(3.7 in.) long
18.	3G-5940	[1]	NUT
19.	3G-5778	[1]	BEARING ASSEM.
20.	1H-5338	[1]	CUP
	2K-5097	[1]	CONE
21.	4H-6520	[1]	SEAL
22.	1U-3906	[1]	PLATE
	Y		SEPARATE ILLUSTRATION

#SEBP13160219

4T-1695: MOTOR GP-PISTON

MOTOR GP-PISTON

4T1695 PISTON MOTOR GROUP--Part 2
Serial No. 5Z243 to 5Z308 inclusive

c303208 SEBP1316

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Parts for your 953 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6J-7854	[1]	RING
2.	8J-6244	[1]	RACE AND ROLLER ASSEM. (outer)
	8J-6243	[1]	RACE (inner)
3.	6J-7855	[2]	RING
4.	8J-6274	[1]	RING
5.	6J-7846	[3]	RACE
6.	4T-1694	[1]	SHAFT
7.	5H-6005	[3]	SEAL
8.	0S-1618	[2]	BOLT
9.	0S-1566	[1]	BOLT
	8J-6236	[1]	LOCK
10.	3G-2629	[1]	RETAINER
11.	4T-1691	[1]	TUBE
	8J-0438	[1]	SPRING
12.	9D-8042	[1]	SEAL
13.	3G-4530	[1]	SPRING
14.	3S-6867	[1]	BEARING
15.	9J-8052	[1]	RETAINER
16.	9J-9404	[9]	PISTON ASSEM.
			(Each Includes)
17.	8J-6276	[1]	RETAINER
18.	6J-7836	[1]	RING
19.	9J-8051	[1]	RETAINER
20.	3G-3740 R	[1]	BARREL ASSEM.
21.	1J-2176	[1]	SEAL
22.	8J-6273	[9]	RING
23.	3F-5792	[1]	SEAL
24.	5H-3182	[1]	PIN
25.	4T-1693	[1]	JOINT ASSEM.
			(Includes)
	2R-1256	[2]	RING
26.	8J-6277 B	[1]	SHIM 1.245 mm(.049 in.) thick
	8J-6278 B	[5]	SHIM .0762 mm(.003 in.) thick
	8J-6279 B	[5]	SHIM .1270 mm(.005 in.) thick
27.	8J-6242	[1]	SEAL
	B		USE AS REQUIRED
	R		REMFG PART MAY BE AVAILABLE