4T2767 PISTON PUMP GROUP--PART 2 OF 2 Serial No. 93U2332-Up Part Of 4T2768, 9T3547 Piston & Gear Pump Group 16G

HYDRAULIC SYSTEM

PUMP GP

0. 4T-2767 PUMP GP-PI
1. 8J-8412 HEAD GP-PU
2. 8J-8412 HEAD GP-PU
3. 4T-2766 HEAD GP-PU
4. 3G-3922 VALVE GP-S

VALVE GP

5. 3G-3929 VALVE GP

PUMP GP

6. 4T-2544 VALVE GP-S
7. 8J-8373 VALVE GP-S
8. 9J-4986 VALVE GP-P

LINES GP-PUMP

9. 8D-6940 LINES GP-P
0. INFORMATION

MOTOR GRADER 16G MOTOR GRADER 93U
16G MOTOR GRADER 93U01179-02678 (MACHINE) POWERED BY 3406 ENGINE SEBP1175 16G 93U (1973)

HYDRAULIC SYSTEM

PUMP GP

8J-6855 PUMP GP-PISTON

4T-2767 PUMP GP-PISTON

8J-8412 HEAD GP-PUMP

4T-2766 HEAD GP-PUMP

#SEBP11750800

4T-2767: PUMP GP-PISTON

PUMP GP-PISTON

4T2767 PISTON PUMP GROUP--PART 2 OF 2
Serial No. 93U2332-Up
Part Of 4T2768, 9T3547 Piston & Gear Pump Group

c314328 SEBP1175

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Parts for your 16G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9J-2417	[1]	BARREL AS
2.	1B-8705 B	[1]	KEY-WOODRUFF
3.	3B-2037	[1]	LOCKNUT (LOCK)
	3B-2036 R	[1]	LOCK-NUT
4.	1U-2738	[9]	PISTON AS
5.	9S-8005	[2]	PLUG-O-RING
	3K-0360	[2]	SEAL-O-RING
6.	8J-0501 R	[2]	COVER-TRUNNION
7.	0S-1594	[14]	BOLT
	5M-2894	[14]	WASHER
8.	8J-0503	[4]	SHIM 0.06MM(.002IN.)THK
	8J-0504	[4]	SHIM 0.13MM(.005IN.)THK
9.	1U-1655	[1]	SEAL-LIP TYPE
10.	8J-5592 B	[1]	SHAFT-PUMP
11.	4D-1736 B	[1]	RING-RETAINING
12.	9J-3971	[1]	BODY-PUMP
13.	9J-7738	[1]	SWASHPLATE
14.	2H-3931	[2]	SEAL-O-RING
15.	4T-1115	[1]	LINK-PISTON
16.	6F-4855	[2]	SEAL-O-RING
17.	1B-8741	[1]	KEY-WOODRUFF
18.	9J-7758	[1]	BOLT-ANGLE STOP
19.	3G-6441	[1]	BOLT-ANGLE STOP
20.	4T-1112	[2]	INSERT
21.	8J-2282	[2]	RETAINER
22.	8J-2283	[2]	RING-SNAP
23.	9J-3587	[1]	LINK-PISTON
24.	1D-5120	[2]	NUT-JAM
			THE FOLLOWING REPAIR
			KIT IS AVAILABLE:
	3G-1689	[1]	KIT-SEAL
			(INCLUDES SEALS,
			GASKETS AND RING)
	B		USE AS REQUIRED
	R		REMFG PART MAY BE AVAILABLE

#SEBP11750801

8J-8412: HEAD GP-PUMP

HEAD GP-PUMP

8J8412 PUMP CONTROL HEAD GROUP--Type 1
Serial No. 93U1869 to 93U2331 inclusive
Part of 8G6855 Piston Pump Group shown on Pages 204 and 205A
8J8373 and 9J4986 Valve parts are shown on Page 207

c215998 SEBP1175

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Parts for your 16G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8J-5472	[7]	RING
	8J-8725	[7]	SEAL
2.	9J-4986 C	[1]	VALVE GROUP
3.	8J-8373 Y	[1]	VALVE GROUP
			(Separate Illustration)
4.	9J-7732 C	[1]	HEAD
5.	8J-2028	[1]	SPACER
6.	8J-5838	[1]	SPRING (outer)
7.	8J-5839	[1]	SPRING (inner)
8.	8J-5841	[1]	SEAT
9.	8J-5842	[1]	PISTON
10.	8J-5837	[1]	SPACER
11.	8J-5835	[5]	SPACER (use as required)
12.	9S-8002	[6]	PLUG
	3J-7354	[6]	SEAL
13.	8J-5535	[1]	COVER
14.	8J-5836	[1]	GASKET
15.	8J-5476	[1]	SEAL
16.	8J-0422	[1]	CUP
17.	2D-0598	[2]	SEAL
18.	0S-1588 C	[1]	BOLT
19.	3B-4506	[2]	LOCKWASHER
20.	5B-5821	[2]	DOWEL
21.	9J-4776	[1]	COVER
22.	5H-6005	[1]	SEAL
23.	1B-2790	[4]	BOLT
	3B-4505	[4]	LOCKWASHER
24.	8J-8343	[2]	SEAL
25.	9S-8001 C	[2]	PLUG
	4J-7533 C	[2]	SEAL
26.	8J-8413	[1]	PLUG
	3D-2824	[1]	SEAL
27.	2A-1695	[1]	SPRING
28.	6F-4718	[1]	SEAL
29.	8J-6231	[4]	RETAINER
30.	8J-8462	[4]	SHIM (use as required)
31.	7F-1866	[1]	BOLT
32.	8J-8461	[1]	STEM
33.	8J-5593	[1]	PISTON
34.	8J-8619 C	[2]	SHIM (use as required)
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION

#SEBP11750802

8J-8412: HEAD GP-PUMP

HEAD GP-PUMP

8J8412 PUMP CONTROL HEAD GROUP--Type 2
Serial No. 93U1869 to 93U2331 inclusive
Part of 8J6855 Piston Pump Group shown on Pages 204 & 205A
3G3922 and 9J4986 Valve parts are shown on Pages 206C & 207

c171380 SEBP1175

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Parts for your 16G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8J-5472	[7]	RING
	8J-8725	[7]	SEAL
2.	9J-4986	[1]	VALVE GROUP
3.	3G-3922 CY	[1]	VALVE GROUP
			(Separate Illustration)
4.	9J-7732	[1]	HEAD
5.	8J-2028	[1]	SPACER
6.	8J-5838	[1]	SPRING (outer)
7.	8J-5839	[1]	SPRING (inner)
8.	8J-5841	[1]	SEAT
9.	8J-5842	[1]	PISTON
10.	8J-5835	[1]	SPACER
11.	8J-5835 B	[5]	SPACER
			(use as required)
12.	9S-8002	[6]	PLUG
	3J-7354	[6]	SEAL
13.	8J-5535	[1]	COVER
14.	8J-5836	[1]	GASKET
15.	8J-5476	[1]	SEAL
16.	8J-0422	[1]	CUP
17.	2D-0598	[2]	SEAL
18.	0S-1588	[1]	BOLT
19.	3B-4506	[2]	LOCKWASHER
20.	5B-5821	[2]	DOWEL
21.	9J-4776	[1]	COVER
22.	5H-6005	[1]	SEAL
23.	1B-2790	[4]	BOLT
	3B-4505	[4]	LOCKWASHER
24.	8J-8343	[2]	SEAL
25.	9S-8001	[2]	PLUG
	4J-7533	[2]	SEAL
26.	8J-8413	[1]	PLUG
	3D-2824	[1]	SEAL
27.	2A-1695	[1]	SPRING
28.	6F-4718	[1]	SEAL
29.	8J-6231	[4]	RETAINER
30.	8J-8462 B	[4]	SHIM
			(use as required)
31.	7F-1866	[1]	BOLT
32.	8J-8461	[1]	STEM
33.	8J-5593	[1]	PISTON
34.	8J-8619 B	[2]	SHIM
			(use as required)
	B		USE AS REQUIRED
	Y		SEPARATE ILLUSTRATION
	C		INDICATES CHANGE

#SEBP11750803

4T-2766: HEAD GP-PUMP

HEAD GP-PUMP

4T2766 PUMP CONTROL HEAD GROUP
Serial No. 93U2332-Up
Part of 4T2767 Piston Pump Group shown on Page 205C. 4T2544 and 9J4986 Valve parts are shown on Pages 206D and 207

c314333 SEBP1175

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Parts for your 16G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8J-5472	[7]	RING-BACK-UP
	8J-8725	[7]	SEAL-O-RING
2.	9J-4986	[1]	VALVE GP-PRESSURE REDUCING
3.	4T-2544	[1]	VALVE GP-SERVO
4.	4T-2765	[1]	HEAD-PUMP
5.	8J-2028 Y	[1]	SPACER
6.	8J-5838 Y	[1]	SPRING (OUTER)
7.	8J-5839	[1]	SPRING (INNER)
8.	8J-5841	[1]	SEAT-DAMPER
9.	8J-5842	[1]	PISTON
10.	8J-5837	[1]	SPACER
11.	4T-7942	[5]	SHIM 1.6MM(.02IN.)THK
12.	9S-8002	[6]	PLUG-O-RING
	3J-7354	[6]	SEAL-O-RING
13.	8J-5535 B	[1]	COVER-DAMPER
14.	8J-5836	[1]	GASKET
15.	8J-5476	[1]	SEAL
16.	8J-0422	[1]	CUP-ROLLER BEARING
17.	2D-0598	[2]	SEAL-O-RING
18.	0S-1588	[1]	BOLT
19.	4T-7941	[2]	SHIM .5MM(.01IN.)THK
20.	5B-5821	[2]	PIN-DOWEL
21.	9J-4776	[1]	COVER
22.	5H-6005	[1]	SEAL-O-RING
23.	1B-7182	[4]	BOLT
24.	8J-8343	[2]	SEAL-O-RING
25.	9S-8001	[2]	PLUG-O-RING
	4J-7533	[2]	SEAL-O-RING
26.	8J-8413	[1]	PLUG
	3D-2824	[1]	SEAL-O-RING
27.	2A-1695	[1]	SPRING-RETAINER
28.	6F-4718	[1]	SEAL-O-RING
29.	8J-6231	[4]	RETAINER
30.	8J-8462	[4]	SHIM .5MM(.01IN.)THK
31.	7F-1866	[1]	BOLT
32.	8J-8461	[1]	STEM
33.	8J-5593 B	[1]	PISTON
	B		USE AS REQUIRED
	Y		SEPARATE ILLUSTRATION

#SEBP11750804

3G-3922: VALVE GP-SERVO

VALVE GP-SERVO

3G3922 SERVO VALVE GROUP
Serial No. 93U1869 to 93U2331 inclusive
Part of 8J8412 Pump Control Head Group shown on Page 206A
3G3919 Sleeve and 3G3909 Spool are replaced by 3G3929 Follower Valve Group

c217076 SEBP1175

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Parts for your 16G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9J-4999	[1]	PISTON ASSEM.
2.	8J-2032	[1]	PISTON
3.	2L-6726	[1]	RING
4.	8J-2040	[1]	INSERT
5.	3G-3917	[1]	STOP
6.	8J-8345	[1]	CARTRIDGE
7.	5B-9324	[1]	SETSCREW
8.	3G-3909	[1]	SPOOL
9.	3G-3919	[1]	SLEEVE
10.	3G-3916	[1]	RING
11.	8J-2027	[1]	SPACER
12.	3D-8317	[1]	RING
	C		INDICATES CHANGE

#SEBP11750805

3G-3929: VALVE GP

VALVE GP

3G3929 FOLLOWER VALVE GROUP--Field Installation

c217077 SEBP1175

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Parts for your 16G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3D-8317	[1]	RING-RETAINING
2.	8J-2027	[1]	SPACER
3.	3G-3917	[1]	STOP
4.	3G-3909	[1]	SPOOL
5.	3G-3919	[1]	SLEEVE-FOLLOW UP
6.	3G-3916	[1]	RING-RETAINING

#SEBP11750806

4T-2544: VALVE GP-SERVO

VALVE GP-SERVO

4T2544 SERVO VALVE GROUP
Serial No. 93U2332-Up
Part of 4T2766 Pump Control Head Group shown on Page 206B

c314340 SEBP1175

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Parts for your 16G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4T-1114	[1]	PISTON AS
2.	8J-2032	[1]	PISTON
3.	2L-6726	[1]	RING-RETAINING
4.	8J-2040	[1]	INSERT
5.	3G-3917	[1]	STOP
6.	8J-8345	[1]	CARTRIDGE-SERVO
7.	8S-3159	[1]	SETSCREW-SOCKET
8.	8J-2027	[1]	SPACER
9.	3D-8317	[1]	RING-RETAINING
10.	3G-3916	[1]	RING-RETAINING

#SEBP11750807

8J-8373: VALVE GP-SERVO

VALVE GP-SERVO

8J8373 SERVO VALVE GROUP
Part Of 8J8412 Pump Control Head Group Shown On Page 206

c210073 SEBP1175

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Parts for your 16G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9J-4999 C	[1]	PISTON ASSEM.
2.	8J-2032	[1]	PISTON
3.	2L-6726	[1]	RING
4.	8J-2040	[1]	INSERT
5.	5B-9324	[1]	SETSCREW
6.	8J-8374	[1]	VALVE GROUP
7.	8J-2034	[1]	STOP
8.	3H-1118	[1]	PIN
9.	8J-2027	[1]	SPACER
10.	3D-8317	[1]	RING
	C		INDICATES CHANGE

#SEBP11750808

9J-4986: VALVE GP-PRESSURE REDUCING

VALVE GP-PRESSURE REDUCING

9J4986 PRESSURE REDUCING VALVE GROUP
Part Of 8J8412 & 4T2766 Pump Control Head

c182987 SEBP1175

9J4986 VALVE GP-PRESSURE REDUCING Parts scheme

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Parts for your 16G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9S-8006	[1]	PLUG-O-RING
2.	2M-9780	[1]	SEAL-O-RING
3.	9S-4982	[1]	SPRING
4.	8J-6076	[1]	PISTON
5.	8J-2030	[1]	PISTON
6.	8J-6075	[1]	CARTRIDGE-REDUCING
7.	9J-4985	[1]	PISTON AS

#SEBP11750809

8D-6940: LINES GP-PUMP

LINES GP-PUMP

8D6940 PUMP LINES GROUP--Part 1 of 5
Serial No. 93U1179 to 93U1688 inclusive

c216000 SEBP1175

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Parts for your 16G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7K-4975	[1]	HOSE
2.	5P-2230	[2]	CLAMP
3.	8D-6774	[1]	TUBE ASSEM.
4.	030-7935	[1]	CONNECTOR
	7M-8485	[1]	SEAL
5.	8D-6811	[1]	PLATE
6.	0S-1594	[3]	BOLT
	4B-4278	[3]	WASHER
7.	3B-4506	[6]	LOCKWASHER
8.	3B-1915	[3]	BOLT
	0L-1319	[3]	WASHER
	1P-7115	[3]	GROMMET ASSEM.
9.	7D-9984	[1]	ELBOW
10.	3K-0360	[1]	SEAL
11.	9D-5899 C	[1]	HOSE ASSEM (not serv)
			(For service furnish:
	5P-0180 H		HOSE 82 cm(32.29 in.)
	8S-3759	[2]	COUPLING ASSEM. (straight)
	3S-7166	[2]	SLEEVE
12.	030-7950 C	[1]	ELBOW
13.	3D-2824	[2]	SEAL
14.	9D-0884	[1]	CONNECTOR
15.	030-7936	[1]	CONNECTOR
16.	3J-1907	[1]	SEAL
17.	9D-5913	[1]	HOSE ASSEM. (not serv)
			(For service furnish:
	5P-0178 H		HOSE 73 cm(28.75 in.)
	8S-6417	[1]	COUPLING ASSEM. (straight)
	4S-5414	[2]	SLEEVE
	8S-6393	[1]	COUPLING ASSEM.
18.	9D-6284	[1]	HOSE ASSEM. (not serv)
			For service furnish:
	5P-0178 H		HOSE 64 cm(25.20 in.)
	8S-6417	[1]	COUPLING ASSEM. (straight)
	4S-5414	[2]	SLEEVE
	8S-6393	[1]	COUPLING ASSEM. (90 degrees)
	C		INDICATES CHANGE
	H		ORDER BY THE CENTIMETRE