4N1973 EXHAUST MANIFOLD GROUP ENGINE SERIAL NO. 73W1 TO 73W3590 INCLUSIVE NOTE: FOR FIELD REPLACEMENT OF 4N1676 MANIFOLD ORDER 7N5218 AND 7N5219 773B

AIR INLET AND EXHAUST SYSTEM

MANIFOLD GP-EXHAUST

0. 4N-1973 MANIFOLD G
1. 1W-0416 MANIFOLD G

EXHAUST GP

2. 9D-6480 PIPE GP-EX
3. 2G-9820 PIPE GP-EX

MUFFLER GP

4. 7N-6906 MUFFLER GP

FUEL SYSTEM

CONTROL GP-GOVERNOR

5. 2G-8970 CONTROL GP
6. 9D-7260 CONTROL GP

GOVERNOR GP

7. 4N-8371 PUMP GP-GO
8. 1W-2800 PUMP GP-GO

PUMP GP-FUEL TRANSFER

9. 4N-1111 PUMP GP-FU
0. INFORMATION

TRUCK 773B TRUCK 63W
773B TRUCK 63W00001-01220 (MACHINE) POWERED BY 3412 ENGINE SEBP1230 773B 63W (1978)

AIR INLET AND EXHAUST SYSTEM

MANIFOLD GP-EXHAUST

4N-1973 MANIFOLD GP-EXHAUST

1W-0416 MANIFOLD GP-EXHAUST

#SEBP12300140

4N-1973: MANIFOLD GP-EXHAUST

MANIFOLD GP-EXHAUST

4N1973 EXHAUST MANIFOLD GROUP
ENGINE SERIAL NO. 73W1 TO 73W3590 INCLUSIVE
NOTE: FOR FIELD REPLACEMENT OF 4N1676 MANIFOLD ORDER 7N5218 AND 7N5219

c221672 SEBP1230

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Parts for your 773B TRUCK:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-1675	[2]	MANIFOLD-EXHAUST
2.	7N-8175 C	[12]	GASKET-MANIFOLD
3.	4N-1676	[2]	MANIFOLD-EXHAUST
4.	2N-2766	[24]	LOCKNUT
	5M-2894	[24]	WASHER
5.	4N-1686	[2]	MANIFOLD-CENTER
6.	2S-3770 C	[24]	SPACER
	C		CHANGE FROM PREVIOUS TYPE

#SEBP12300141

1W-0416: MANIFOLD GP-EXHAUST

MANIFOLD GP-EXHAUST

1W0416 EXHAUST MANIFOLD GROUP
ENGINE SERIAL NO. 73W3591-UP

c517509 SEBP1230

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Parts for your 773B TRUCK:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4P-7847	[2]	MANIFOLD-EXHAUST
2.	2N-2766	[28]	LOCKNUT
3.	9Y-4582	[12]	GASKET-MANIFOLD
4.	4P-7848	[2]	MANIFOLD-EXHAUST
5.	2W-9779	[4]	CLAMP-BAND
6.	7L-8055	[2]	BELLOWS
7.	2N-6319	[4]	BOLT-HIGH TEMP
8.	5M-2894	[24]	WASHER

			QUANTITIES SHOWN ARE
			THOSE REQUIRED FOR
			BOTH LH AND RH SIDES

#SEBP12300142

9D-6480: PIPE GP-EXHAUST

PIPE GP-EXHAUST

9D6480 EXHAUST PIPING GROUP

c309092 SEBP1230

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Parts for your 773B TRUCK:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9D-6647	[1]	ELBOW
2.	0S-1594 C	[12]	BOLT
	5M-2894 C	[12]	WASHER
3.	2J-2389	[4]	SPRING
4.	9D-6648	[1]	PISTON
5.	0L-1352	[2]	BOLT
	1D-4717	[2]	NUT
6.	9D-6675	[1]	TUBE AS
7.	4B-3586	[1]	SETSCREW
8.	1D-4719	[7]	NUT
9.	7B-3235 C	[4]	BOLT
	1D-5965 C	[4]	WASHER
10.	5P-8245 C	[10]	WASHER
11.	2G-9582	[1]	ELBOW
12.	5T-3136 C	[3]	LOCK
13.	2G-9142	[1]	PLATE
14.	3D-0472	[6]	STUD-TAPERLOCK
15.	4D-0670	[4]	WASHER
16.	5T-2750 C	[1]	ELBOW
17.	9D-2724	[1]	RING-SEAL
18.	5T-2760 C	[4]	SPRING
19.	9D-2617	[1]	PISTON
	C		CHANGE FROM PREVIOUS TYPE

#SEBP12300143

2G-9820: PIPE GP-EXHAUST

PIPE GP-EXHAUST

2G9820 EXHAUST PIPING GROUP
PART OF 2G9855 ENGINE EXHAUST ARRANGEMENT LISTED ON PAGE 58
AN ATTACHMENT

c559347 SEBP1230

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Parts for your 773B TRUCK:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2G-9590	[1]	BOX AS
2.	2G-9141	[1]	PLATE
3.	0S-1595	[4]	BOLT
	7D-1649	[4]	WASHER
4.	3D-0490	[4]	STUD-TAPERLOCK
5.	1D-4719	[5]	NUT (FULL)
6.	5P-8245	[5]	WASHER
7.	0S-1585	[1]	BOLT
8.	6G-1258	[1]	ROD AS
9.	2G-9209	[1]	SPRING
10.	6G-0010	[1]	LEVER
11.	1B-4430	[1]	NUT-JAM
12.	6G-1293	[1]	YOKE
13.	6G-0254	[1]	SPRING
14.	0S-0175	[2]	PIN-CLEVIS
	5P-8026	[2]	PIN-COTTER
15.	0L-1351	[9]	BOLT
16.	6H-1717	[4]	BOLT
17.	9D-2836	[3]	LOCK (4.6MM THK)
	0L-1351	[6]	BOLT (3/8-16X.875IN)
			-OR-
	5T-3136 C	[12]	LOCK (8.0MM THK)
	0S-1590 C	[6]	BOLT (3/8-16X2IN)
18.	2G-9172	[1]	HOUSING
19.	2G-9238	[1]	COVER AS
20.	5M-2894 C	[15]	WASHER
21.	2G-9344	[1]	PLATE AS
22.	4B-3614	[1]	SETSCREW-SQUARE HEAD
23.	8W-0832 C	[1]	LEVER
24.	1B-8706	[2]	KEY-WOODRUFF
25.	0S-1588	[2]	BOLT
26.	2G-9177	[1]	RING-SEAL
27.	2G-9155	[1]	PIPE
28.	2G-9339	[1]	SHAFT
29.	6G-1092	[6]	SPRING
30.	2G-9590	[1]	BOX AS
	C		CHANGE FROM PREVIOUS TYPE

#SEBP12300144

7N-6906: MUFFLER GP

MUFFLER GP

7N6906 MUFFLER GROUP
PART OF 2G9855 ENGINE EXHAUST ARRANGEMENT LISTED ON PAGE 58
AN ATTACHMENT

c596210 SEBP1230

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Parts for your 773B TRUCK:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	102-2773	[1]	PLATE AS
2.	2G-9583	[1]	PIPE-EXTENSION
3.	9X-8873	[2]	BOLT (1/2-13X2.25IN)
	1F-7958	[2]	NUT-FULL (1/2-13 THD)
4.	7X-0592	[2]	WASHER-HARD
5.	103-1681	[1]	PLATE
6.	8T-8919	[3]	BOLT (1/2-13X1.50IN)
7.	2G-0548	[1]	BRACE
8.	6V-8188	[3]	NUT (1/2-13 THD)
9.	7N-6905	[1]	MUFFLER AS
10.	102-2772	[2]	CABLE AS
11.	8T-4223	[4]	WASHER-HARD (3MM THK)
12.	8T-4896	[4]	WASHER-HARD (2.5MM THK)
13.	103-1682	[1]	PLATE
14.	5M-3062	[4]	BOLT (3/8-16X.750IN)
15.	1W-1305	[1]	CLAMP
16.	6G-3119	[1]	ANGLE
17.	6V-8801	[4]	NUT (3/8-16 THD)
18.	4N-9330	[1]	CLAMP

#SEBP12300145

2G-8970: CONTROL GP-GOVERNOR

CONTROL GP-GOVERNOR

2G8970 GOVERNOR CONTROL GROUP-CAB AREA

c401184 SEBP1230

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Parts for your 773B TRUCK:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4H-6147	[2]	CONNECTOR-PIPE
2.	8S-7271 C	[1]	SCREW-SET POINT
	5B-3180 C	[1]	NUT (JAM)
3.	8D-7047	[1]	PIN-TREADLE
	8D-7052	[1]	SPRING
4.	8S-7803	[4]	RING-RETAINING
5.	8D-7051	[1]	PIN-PUSH ROD
	8D-7048	[1]	ROLLER
6.	8D-7056	[1]	PLATE
7.	0S-1618	[3]	BOLT
	3B-4505	[3]	LOCKWASHER
8.	8D-7168	[1]	PEDAL
9.	2P-0884	[1]	FILTER-AIR
10.	8D-7057	[1]	VALVE-AIR CONTROL
11.	7D-4922	[1]	HOSE AS
12.	3D-7587	[1]	ELBOW-EXTENSION PIPE
	9M-8662	[1]	COUPLING
13.	3S-8666	[1]	ELBOW-EXTENSION PIPE
14.	7D-3024	[1]	HOSE AS
			THE FOLLOWING REPAIR KIT IS AVAILABLE:
	5T-7104 C	[1]	KIT-VALVE
			(INCLUDES SCREWS, BOOT, O-RINGS, U-CUP, PLATE AS THRUST RING & PUSH ROD)
	C		CHANGE FROM PREVIOUS TYPE

#SEBP12300146

9D-7260: CONTROL GP-GOVERNOR

CONTROL GP-GOVERNOR

9D7260 GOVERNOR CONTROL GROUP-CHASSIS AREA

c340275 SEBP1230

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Parts for your 773B TRUCK:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5H-4778	[2]	ELBOW
2.	0S-0509	[1]	BOLT
3.	4S-7527 CI	[1]	HOSE AS
4.	6D-3479	[2]	CLIP
5.	4F-7957	[2]	BOLT
6.	1B-4330	[4]	NUT
7.	3B-4504	[3]	LOCKWASHER
8.	6G-3641	[1]	CYLINDER GP-SLAVE
	5T-7062 C	[1]	SPRING (LARGE)
	5T-7063 C	[1]	SPRING (SMALL)
9.	7B-2742	[1]	BOLT
10.	6L-7751	[1]	ROD END-BEARING
11.	4N-5796	[1]	ROD
12.	6F-0612	[2]	NUT-JAM
13.	067-8331	[1]	CLEVIS
14.	1A-2457	[1]	PIN-CLEVIS
15.	3B-4607	[1]	COTTER
16.	2M-2328	[1]	LEVER-GOVERNOR CONTROL
	1B-8704	[1]	KEY-WOODRUFF
17.	0S-1594	[1]	BOLT
18.	5H-6862	[1]	LEVER
19.	9F-7022	[1]	BOLT
20.	2G-1097 C	[1]	BRACKET AS
21.	6B-2882	[3]	SPACER
			THE FOLLOWING REPAIR KIT IS AVAILABLE:
	6G-2112	[1]	KIT-AIR VALVE
			(INCLUDES SHELL, RING & SEALS)
	C		CHANGE FROM PREVIOUS TYPE
	I		XT HOSE ASSEMBLY

#SEBP12300147

4N-8371: PUMP GP-GOV, FUEL INJ & TFR

PUMP GP-GOV, FUEL INJ & TFR

4N8371 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP
ENGINE SERIAL NO. 73W1 TO 73W2036 INCLUSIVE
4N1101 PUMP, 7N6127 GOVERNOR, 6N7934 TORQUE SPRING AND 7N6126 PUMP PARTS
ARE SHOWN ON PAGES 65, 66, 67, 68B, 70, 71, 71A & 71B

c221565 SEBP1230

4N8371 PUMP GP-GOV, FUEL INJ & TFR Parts scheme

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Parts for your 773B TRUCK:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1591	[2]	BOLT
2.	1C-2251	[4]	BOLT
3.	0L-1143	[1]	BOLT
4.	9L-6448	[1]	SPRING
5.	2P-9556	[1]	WASHER (flat)
	2N-0828	[2]	WASHER (spring)
6.	7N-6127 Y	[1]	GOVERNOR GROUP
7.	6N-7934 Y	[1]	TORQUE SPRING GROUP
			(Separate Illustration)
8.	0S-1594	[6]	BOLT
9.	4N-1101 Y	[1]	FUEL TRANSFER PUMP GROUP
			(Separate Illustration)
10.	053-2294	[1]	BOLT
11.	3B-1915	[4]	BOLT
12.	7N-6126 Y	[1]	FUEL INJECTION PUMP GROUP
			(Separate Illustration)
	4N-1868	[1]	GASKET
13.	4N-1104	[1]	GASKET
	Y		SEPARATE ILLUSTRATION

#SEBP12300148

1W-2800: PUMP GP-GOV, FUEL INJ & TFR

PUMP GP-GOV, FUEL INJ & TFR

1W2800 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP
ENGINE SERIAL NO. 73W2037-UP
4N1101 PUMP, 8N7526 GOVERNOR, 1W6544 TORQUE CONTROL AND 7N6390 PUMP PARTS
ARE SHOWN ON PAGES 65, 67A, 67B, 68C, 71C AND 71D

c234098 SEBP1230

1W2800 PUMP GP-GOV, FUEL INJ & TFR Parts scheme

For full view, you need register

Parts for your 773B TRUCK:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1591	[2]	BOLT
2.	1C-2251	[4]	BOLT
3.	0L-1143	[1]	BOLT
4.	9L-6448	[1]	SPRING
5.	2P-9556	[1]	WASHER (flat)
	2N-0828	[2]	WASHER (spring)
6.	8N-7526 Y	[1]	GOVERNOR GROUP
7.	1W-6544 Y	[1]	TORQUE CONTROL
			(Separate Illustration)
8.	0S-1594	[6]	BOLT
9.	4N-1101 Y	[1]	FUEL TRANSFER PUMP GROUP
			(Separate Illustration)
10.	053-2294	[1]	BOLT
11.	3B-1915	[4]	BOLT
12.	7N-6390 Y	[1]	FUEL INJECTION PUMP GROUP
			(Separate Illustration)
	4N-1868	[1]	GASKET
13.	4N-1104	[1]	GASKET
14.	2P-8643	[1]	GASKET
	Y		SEPARATE ILLUSTRATION

#SEBP12300149

4N-1111: PUMP GP-FUEL TRANSFER

PUMP GP-FUEL TRANSFER

4N1111 FUEL TRANSFER PUMP GROUP
ENGINE SERIAL NO. 73W1 TO 73W5060 INCLUSIVE
PART OF 4N1101 FUEL TRANSFER PUMP GROUP

c225838 SEBP1230

4N1111 PUMP GP-FUEL TRANSFER Parts scheme

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Parts for your 773B TRUCK:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2B-2694	[3]	BOLT
2.	4N-1116	[1]	SHAFT AS-PUMP
3.	4N-1119	[1]	GEAR-TRANSFER PUMP (10 T)
4.	5P-9295 C	[1]	SEAL-LIP TYPE
5.	5J-5314	[3]	BOLT
6.	7N-6128 C	[1]	COVER-TRANSFER PUMP
7.	7M-7260		LIQUID GASKET
8.	4N-1120	[1]	BODY AS-TRANSFER PUMP
9.	7S-4433	[1]	FERRULE
10.	1P-2298	[1]	VALVE AS
11.	8F-6058	[1]	BEARING
12.	5P-9294 C	[1]	SEAL-LIP TYPE
13.	4N-7357	[1]	BEARING-SLEEVE
14.	5P-9295 C	[1]	SEAL-LIP TYPE
15.	8H-9804	[1]	SHAFT-PUMP IDLER
16.	8S-1925	[1]	GEAR-SHAFT DRIVE (11 T)
17.	3H-1489	[1]	KEY-WOODRUFF
18.	2F-8616	[1]	NUT-SELF LOCKING
19.	6J-2419	[1]	SEAL-O-RING
20.	4N-1119	[1]	GEAR-TRANSFER PUMP (10 T)
21.	7S-4440	[1]	BOLT-RETAINING
	4N-7465 C	[1]	GASKET
22.	6N-1069	[1]	SPRING
23.	8M-0874	[1]	PLUNGER AS-VALVE
24.	3K-8460 C	[1]	PLUG
	1J-9671 C	[1]	SEAL-O-RING
	C		CHANGE FROM PREVIOUS TYPE