4N4306 AIR LINES GROUP Serial No. 50W1206 to 50W3776 inclusive 988B WHEEL LOADER

AIR INLET AND EXHAUST SYSTEM

LINES GP-AIR

0. 4N-4306 LINES GP-A
1. 4N-4306 LINES GP-A

AIR CLEANER GP

2. 4N-6849 AIR CLEANE
3. 7N-5974 PRECLEANER
4. 4N-6849 AIR CLEANE
5. 4N-2436 DUST EJECT

TURBOCHARGER GP

6. 6N-0544 TURBOCHARG
7. 6N-0544 TURBOCHARG
8. 8N-2036 TURBOCHARG
9. 8N-2036 TURBOCHARG
0. INFORMATION

WHEEL LOADER 988B WHEEL LOADER 50W
988B WHEEL LOADER 50W00001-06040 (MACHINE) POWERED BY 3408 ENGINE SEBP1079 988B 50W (1976)

AIR INLET AND EXHAUST SYSTEM

LINES GP-AIR

4N-4305 LINES GP-AIR

1W-0638 LINES GP-AIR

4N-4306 LINES GP-AIR

#SEBP10790140

4N-4306: LINES GP-AIR

LINES GP-AIR

4N4306 AIR LINES GROUP
Serial No. 50W1206 to 50W3776 inclusive

c166134 SEBP1079

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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-2493	[1]	ELBOW
2.	9S-2592	[1]	HOSE
3.	5P-3860	[2]	CLAMP
4.	1V-6566	[1]	PIPE ASSEM.
			(Includes)
	7M-1674	[1]	ELEMENT
	8M-1659	[10]	STUD
5.	6N-4247	[1]	ELBOW
6.	0S-1595	[4]	BOLT
7.	2M-0849	[4]	WASHER
8.	7N-0694 C	[1]	ELBOW
9.	6L-8562	[4]	STUD
10.	1B-5355	[12]	NUT
11.	5M-2894	[24]	WASHER
12.	6N-4248	[1]	BRACKET
13.	0S-1590	[4]	BOLT
14.	6N-4249	[1]	ELBOW
	2N-2765	[4]	BOLT
	2N-2766	[4]	LOCKNUT
15.	9L-5839	[1]	COUPLING
16.	5L-8854	[2]	RING
17.	9M-1869	[1]	PIPE
18.	2M-5173	[4]	SEAL
19.	1A-2029	[4]	BOLT
20.	4N-2494	[1]	ELBOW
21.	6N-4033	[1]	BRACKET ASSEM.
22.	0S-1594	[2]	BOLT
23.	3B-1915	[2]	BOLT
24.	0S-1591	[4]	BOLT
	C		INDICATES CHANGE

#SEBP10790141

4N-4306: LINES GP-AIR

LINES GP-AIR

4N4306 AIR LINES GROUP
Serial No. 50W3777-Up

c224832 SEBP1079

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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-2493	[1]	ELBOW
2.	9S-2592	[1]	HOSE
3.	5P-3860	[2]	CLAMP
4.	1V-6566	[1]	PIPE ASSEM.
			(Includes)
	7M-1674	[1]	ELEMENT
	0L-0765 C	[10]	STUD
5.	6N-4247	[1]	ELBOW
6.	0S-1595	[4]	BOLT
7.	2M-0849	[4]	WASHER
8.	7N-0694	[1]	ELBOW
9.	6L-8562	[4]	STUD
10.	1B-5355	[12]	NUT
11.	5M-2894	[24]	WASHER
12.	6N-4248	[1]	BRACKET
13.	2A-4639 C	[4]	BOLT
14.	6N-4249	[1]	ELBOW
	2N-2765	[4]	BOLT
	2N-2766	[4]	LOCKNUT
15.	6N-0425 C	[1]	COUPLING
16.	5L-8854	[2]	RING
17.	9M-1869	[1]	PIPE
18.	2M-5173	[4]	SEAL
19.	1A-2029	[4]	BOLT
20.	4N-2494	[1]	ELBOW
21.	8N-5527 C	[1]	BRACKET ASSEM.
22.	0S-1594	[2]	BOLT
23.	3B-1915	[2]	BOLT
24.	0S-1591	[4]	BOLT
	C		INDICATES CHANGE

#SEBP10790142

4N-6849: AIR CLEANER GP

AIR CLEANER GP

4N6849 AIR CLEANER GROUP
Serial No. 50W1 to 50W1285 inclusive

c208466 SEBP1079

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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9S-2597	[1]	PRECLEANER ASSEM.
			(Includes)
	9S-2596	[1]	BODY ASSEM.
2.	0S-1591	[2]	BOLT
	1D-4717	[2]	NUT
3.	7S-3687	[1]	HOOD ASSEM.
4.	1P-7330	[1]	AIR CLEANER ASSEM.
			(Includes)
5.	1P-8483	[1]	ELEMENT ASSEM. (primary)
6.	1P-8482	[1]	ELEMENT ASSEM. (secondary)
7.	1P-8481	[1]	CUP ASSEM.
			(Includes)
8.	6N-7692	[1]	GASKET
9.	9M-3695	[2]	ROD ASSEM.
10.	2K-4973	[10]	LOCKNUT
11.	1P-9390	[1]	GASKET
12.	1T-0822	[2]	BOLT
13.	5M-2894	[12]	WASHER

#SEBP10790143

7N-5974: PRECLEANER GP

PRECLEANER GP

7N5974 PRECLEANER GROUP
Serial No. 50W1286-Up
Part of 4N6849 Air Cleaner Group shown on Page 45B

c179739 SEBP1079

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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7S-3687	[1]	HOOD ASSEM.
2.	0S-1591	[1]	BOLT
	1D-4717	[1]	NUT
3.	7N-5973	[1]	BODY ASSEM.

#SEBP10790144

4N-6849: AIR CLEANER GP

AIR CLEANER GP

4N6849 AIR CLEANER GROUP
Serial No. 50W1286-Up
7N5974 Precleaner parts are shown on Page 45A

c179740 SEBP1079

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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-5974 CY	[1]	PRECLEANER GP
2.	1P-7330	[1]	AIR CLEANER AS
3.	8N-5313 C	[1]	ELEMENT AS-PRIMARY
4.	1P-8482	[1]	ELEMENT AS-SECONDARY
5.	1P-8481	[1]	CUP AS-AIR CLEANER
6.	6N-7692	[1]	GASKET
7.	9M-3695	[2]	ROD AS
8.	2K-4973	[10]	LOCKNUT
9.	1P-9390	[1]	GASKET-OUTLET
10.	1T-0822	[2]	BOLT-12 POINT HEAD
11.	5M-2894 C	[2]	WASHER
	C		CHANGE FROM PREVIOUS TYPE
	Y		SEPARATE ILLUSTRATION

#SEBP10790145

4N-2436: DUST EJECTOR GP

DUST EJECTOR GP

4N2436 DUST EJECTOR GROUP

c209483 SEBP1079

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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	034-0295	[1]	HOSE
2.	5P-0597	[2]	CLAMP
3.	6N-1519	[1]	TUBE ASSEM.
4.	1B-5355	[2]	NUT
5.	9S-1572	[1]	ADAPTER

#SEBP10790146

6N-0544: TURBOCHARGER GROUP

TURBOCHARGER GROUP

6N544 TURBOCHARGER GROUP
Engine Serial No. 48W1 to 48W2025 inclusive
6N1661 Turbocharger parts are shown on Page 47

c217827 SEBP1079

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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6N-1661 Y	[1]	TURBOCHARGER GROUP
			(Separate Illustration)
2.	1S-4295	[1]	GASKET
3.	5P-7128 C	[4]	BOLT
	2N-2766 C	[4]	NUT
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION

#SEBP10790147

6N-0544: TURBOCHARGER GROUP

TURBOCHARGER GROUP

6N544 TURBOCHARGER GROUP
Engine Serial No. 48W2026 to 48W7684 inclusive
7N2495 Turbocharger parts are shown on Page 46B

c217828 SEBP1079

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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-2495 RYC	[1]	TURBOCHARGER GROUP
			(Separate Illustration)
2.	1S-4295	[1]	GASKET
3.	5P-7128	[4]	BOLT
	2N-2766	[4]	NUT
	R		REMFG PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION
	C		INDICATES CHANGE