4N3923 TURBOCHARGER OIL LINES GROUP Engine Serial No. 78P21412-Up 120G MOTOR GRADER

AIR INLET AND EXHAUST SYSTEM

TURBOCHARGER GP

0. 4N-3923 LINES GP-T

BASIC ENGINE

AIR COMPRESSOR GP

1. 4N-8056 LINES GP-C
2. 2P-9613 AIR COMPRE
3. 2P-9614 AIR COMPRE

AIR INLET AND EXHAUST SYSTEM

LINES GP-AIR

4. 3P-0088 AIR LINES
5. 7N-4143 LINES GP-A
6. 7N-4144 LINES GP-A

MUFFLER GP

7. 4N-9197 MUFFLER GP

AIR CLEANER GP

8. 4N-3187 DUST EJECT

MUFFLER GP

9. 6N-5252 MUFFLER GP
0. INFORMATION

MOTOR GRADER 120G MOTOR GRADER 82V
120G MOTOR GRADER 82V00668-UP (MACHINE) POWERED BY 3304 ENGINE SEBP1045 120G 82V (1974)

AIR INLET AND EXHAUST SYSTEM

TURBOCHARGER GP

4N-6856 TURBOCHARGER GP

4N-6858 TURBOCHARGER GP

4N-3923 LINES GP-TURBOCHARGER OIL

#SEBP10450130

4N-3923: LINES GP-TURBOCHARGER OIL

LINES GP-TURBOCHARGER OIL

4N3923 TURBOCHARGER OIL LINES GROUP
Engine Serial No. 78P21412-Up

c217640 SEBP1045

4N3923 LINES GP-TURBOCHARGER OIL Parts scheme

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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1B-9575	[2]	BOLT
2.	7B-5932	[1]	GASKET
3.	6N-6120 C	[1]	TUBE ASSEM.
4.	9M-4849	[1]	SEAL
5.	8M-0755 C	[1]	CONNECTOR
6.	0L-1143 C	[2]	BOLT
7.	1P-1255	[1]	GASKET
8.	6N-6122 C	[1]	TUBE ASSEM.
9.	6N-6033 C	[2]	CLIP
10.	2H-3755 C	[1]	BOLT
	1D-4716 C	[1]	NUT
11.	5M-2894 C	[2]	WASHER
12.	9M-1974 C	[4]	WASHER
	C		INDICATES CHANGE

#SEBP10450131

4N-8056: LINES GP-COMPRESSOR

LINES GP-COMPRESSOR

4N8056 AIR COMPRESSOR LINES GROUP

c182110 SEBP1045

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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5K-9248	[2]	CONNECTOR
2.	2P-6210	[1]	TUBE ASSEM.
3.	5K-9237	[2]	ELBOW
4.	3B-7255	[1]	BUSHING
5.	6K-8079	[1]	CONNECTOR
6.	2P-2698	[1]	TUBE ASSEM.
7.	1P-0210	[1]	ELBOW
8.	2P-2706	[1]	TUBE ASSEM.
9.	5K-9243	[1]	ELBOW
10.	4N-8884	[1]	TUBE ASSEM.
11.	5M-6213	[2]	PLUG
12.	7B-0192	[1]	CROSS
	3B-7262 C	[1]	NIPPLE
13.	5K-9239	[1]	CONNECTOR
14.	7F-9311 C	[1]	FITTING
	C		INDICATES CHANGE

#SEBP10450132

2P-9613: AIR COMPRESSOR GP

AIR COMPRESSOR GP

2P9613 AIR COMPRESSOR GROUP
2P9614 Air Compressor parts are shown on Page 56C

c174484 SEBP1045

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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2P-9614 CY	[1]	COMPRESSOR
			(Separate Illustration)
2.	2P-0220	[1]	GASKET
3.	1A-1135	[2]	BOLT 5.08 cm(2 in.)long
			-OR-
	0S-1589 C	[2]	BOLT 4.45 cm(1.75 in.) long
4.	0S-1591	[3]	BOLT 3.81 cm(1.5 in.) long
			-OR-
	3B-1915 C	[3]	BOLT 3.49 cm(1.375 in.) long
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION

#SEBP10450133

2P-9614: AIR COMPRESSOR GP

AIR COMPRESSOR GP

2P9614 AIR COMPRESSOR GROUP
Part of 2P9613 Air Compressor Group shown on Page 56B

c227968 SEBP1045

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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2P-9615	[1]	GOVERNOR ASSEM.
2.	1B-4203	[4]	NUT
3.	7N-2833 C	[1]	HEAD ASSEM.
4.	8A-2252 L	[1]	PISTON AS
			-OR-
	105-9218 N	[1]	PISTON AS
5.	8A-2251	[1]	LINER
6.	8A-2248	[1]	ROD ASSEM.
7.	2P-7849	[1]	CRANKCASE
8.	9F-2247	[1]	PLUG
9.	2P-7850	[1]	CRANKSHAFT
10.	2F-5721	[1]	BEARING
11.	1P-5480	[1]	COVER ASSEM.
12.	2P-7848	[1]	BRACKET
13.	4N-5224	[1]	COVER
14.	4N-5225	[1]	GASKET
			THE FOLLOWING REPAIR KITS ARE AVAILABLE:
	8A-2250 L	[1]	KIT (Includes 5 Piston rings)
	105-9236 N	[1]	KIT-PISTON RING
	8A-2305 C	[1]	KIT (Governor-Major Repair)
			(Includes Diaphragms, Followers, Valve, Guide, Plunger, "O" Ring, Spring & Hardware)
	7N-2834 C	[1]	KIT (Compressor-Major Repair)
			(Includes Valves, Bearings, Gaskets, Retaining Rings, Strap, Springs, Shims, "O" Ring & Hardware)
	1P-6059	[1]	KIT (Unloader Valve)
			(Includes Cap, Clip, Washer, Spring, Plunger, & "O" Ring)
	4N-4027	[1]	KIT (Governor Lines)
			(Includes Elbow Assem., Pipe, Fitting, & Washer)
	C		INDICATES CHANGE
	L		KIT MARKED L SERVICES PART MARKED L
	N		KIT MARKED N SERVICES PART MARKED N

#SEBP10450134

3P-0088: AIR LINES GROUP

AIR LINES GROUP

3P88 AIR LINES GROUP
Serial No. 87V1138 to 87V3609, 3611 to 3626, 3629 and 87V3639 to 87V3644 inclusive
and Serial No. 82V668 to 82V834 inclusive

c154869 SEBP1045

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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3P-0082	[1]	HOSE
2.	5P-0598 C	[2]	CLAMP
3.	1A-2029	[7]	BOLT
4.	3P-0089	[1]	PIPE ASSEM.
			(Includes)
5.	7M-1674	[1]	ELEMENT
6.	5B-7890	[1]	PLUG
7.	3P-0114	[1]	ELBOW
8.	0S-1590	[3]	BOLT
	1B-5355	[3]	NUT
9.	5S-6735	[1]	GASKET
10.	5M-6214	[1]	PLUG
11.	3P-0084	[1]	ELBOW
12.	6N-1553 C	[1]	COUPLING
13.	5P-0597 C	[2]	CLAMP
14.	1P-1195	[1]	HOSE
15.	6N-0009 C	[1]	RING
16.	6N-1558 C	[1]	RING
	C		INDICATES CHANGE

#SEBP10450135

7N-4143: LINES GP-AIR

LINES GP-AIR

7N4143 AIR LINES GROUP
Serial No. 87V3610, 3627, 3628, 3630 to 3638 and 87V3645-Up and 82V835-Up

c218645 SEBP1045

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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5P-0598	[2]	CLAMP
2.	5P-1263 H		HOSE 8 cm(3.15 in.)
3.	1A-2029	[3]	BOLT
4.	3P-0089	[1]	PIPE ASSEM.
			(Includes)
5.	7M-1674	[1]	ELEMENT
6.	5B-7890	[1]	PLUG
7.	3P-0114	[1]	ELBOW
8.	0S-1590	[3]	BOLT
	1B-5355	[3]	NUT
9.	6N-1553	[1]	COUPLING
10.	6N-1558	[1]	RING
11.	6N-0009	[1]	RING
	H		ORDER BY THE CENTIMETRE

#SEBP10450136

7N-4144: LINES GP-AIR

LINES GP-AIR

7N4144 AIR LINES GROUP
Engine Serial No. 78P38774-Up

c218644 SEBP1045

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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5M-6214	[1]	PLUG-PIPE
2.	3P-0084	[1]	ELBOW-AIR OUTLET
3.	1P-1195	[1]	HOSE
4.	5P-0597	[2]	CLAMP
5.	5S-6735	[1]	GASKET
6.	1A-2029	[4]	BOLT

#SEBP10450137

4N-9197: MUFFLER GP

MUFFLER GP

4N9197 MUFFLER GROUP
Serial No. 87V2262-Up and 82V740-Up. Part of 2G4490 Sound Suppression
Arrangement listed on Page 170D. AN ATTACHMENT

c209829 SEBP1045

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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-8942	[1]	MUFFLER AS
2.	6F-7012 C	[2]	STUD
3.	0S-1590 C	[2]	BOLT
	1B-5355 C	[2]	NUT-FULL
4.	4F-4974 C	[2]	CLAMP
5.	5M-2894 C	[4]	WASHER
	C		CHANGE FROM PREVIOUS TYPE

#SEBP10450138

4N-3187: DUST EJECTOR GROUP

DUST EJECTOR GROUP

4N3187 DUST EJECTOR GROUP
Serial No. 87V1138 to 87V2261 inclusive and 82V668 to 82V739 inclusive
Part of 9D6950 Sound Suppression Arrangement listed on Page 170C
AN ATTACHMENT

c202557 SEBP1045

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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5S-5063	[1]	HOSE
2.	5P-0597	[2]	CLAMP
3.	1A-2029	[2]	BOLT
4.	3P-0080	[1]	TUBE ASSEM.

#SEBP10450139

6N-5252: MUFFLER GP

MUFFLER GP

6N5252 MUFFLER GROUP
Serial No. 87V2262-Up and 82V740-Up. Page of 2G2580 Sound Suppression
Arrangement listed on Page 170D. AN ATTACHMENT

c304388 SEBP1045

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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6N-1878	[1]	MUFFLER ASSEM.
2.	2B-6296	[2]	STUD
3.	0S-1590 C	[3]	BOLT
	1B-5355	[3]	NUT
	5M-2894	[3]	WASHER
4.	4F-4974	[2]	CLAMP
5.	8S-5120 C	[1]	PIPE
6.	7S-8735 C	[1]	CLAMP
	C		INDICATES CHANGE