4N1560 DAMPER GROUP 988B WHEEL LOADER

BASIC ENGINE

DAMPER GP

0. 4N-1560 DAMPER GP-

GEAR GP

1. 7N-2840 GEAR GP-FR

DRIVE GP-FAN

2. 6N-5923 DRIVE GP-F
3. 6N-5923 DRIVE GP-F

BELT TIGHTENER GP

4. 6N-3786 BELT TIGHT

FLYWHEEL GP

5. 4N-0739 FLYWHEEL G

HOUSING GP-FLYWHEEL

6. 4N-1874 HOUSING GP
7. 4N-6876 COVER GP-F
8. 1N-4652 FLYWHEEL H
9. 4N-1874 HOUSING GP
0. INFORMATION

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

BASIC ENGINE

DAMPER GP

4N-1560 DAMPER GP-CRANKSHAFT

#SEBP10790050

4N-1560: DAMPER GP-CRANKSHAFT

DAMPER GP-CRANKSHAFT

4N1560 DAMPER GROUP

c217082 SEBP1079

4N1560 DAMPER GP-CRANKSHAFT Parts scheme

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Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	4N-2109	[1]	ADAPTER-DAMPER
2.	0T-0857	[6]	BOLT (5/8-18X4.5IN)
			-OR-
	1A-3203 C	[6]	BOLT (5/8-18X4.75IN)
	4D-3704 C	[6]	WASHER-HARD
3.	2P-5149	[1]	DAMPER AS
	C		CHANGE FROM PREVIOUS TYPE

#SEBP10790051

7N-2840: GEAR GP-FRONT TIMING

GEAR GP-FRONT TIMING

7N2840 FRONT TIMING GEAR GROUP
Engine Serial No. 48W7837-Up

c234691 SEBP1079

7N2840 GEAR GP-FRONT TIMING Parts scheme

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Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	2B-2695	[4]	BOLT
2.	4N-0798	[1]	PLATE
3.	7N-7586 C	[1]	GEAR ASSEM. (Idler 43 & 80 teeth)
			(Includes)
	1B-8705	[1]	KEY
4.	7N-2483	[1]	BEARING
5.	0L-1351	[5]	BOLT
6.	7N-2484	[1]	SHAFT (accessory drive idler)
7.	7N-7592 C	[1]	GEAR (oil pump drive 69 teeth)
	1B-8705	[1]	KEY
8.	0S-1571	[1]	BOLT
9.	1P-7346	[1]	WASHER
10.	7N-2443	[1]	WASHER (thrust)
	C		INDICATES CHANGE

#SEBP10790052

6N-5923: DRIVE GP-FAN (BELT)

DRIVE GP-FAN (BELT)

6N5923 FAN DRIVE GROUP
Serial No. 50W1 to 50W935 inclusive

c226303 SEBP1079

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Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	3B-8485	[1]	FITTING
2.	6N-4111	[1]	BRACKET ASSEM.
3.	0S-1588	[2]	BOLT
	5M-2894	[2]	WASHER
4.	1A-1460	[3]	BOLT
	2M-0849	[3]	WASHER
5.	7D-1728	[1]	CLIP
6.	5P-1198		TUBE 49 cm(19.29 in.)
7.	4B-8756	[2]	NUT
8.	6L-3616	[1]	CONNECTOR
9.	6N-5270	[1]	BRACKET ASSEM.
			(Includes)
10.	4N-0955	[1]	PIN
11.	5B-5812	[1]	DOWEL
12.	5S-9062	[1]	SPACER
13.	9S-7720	[1]	ELBOW
14.	6N-7053	[1]	VEE BELT SET
			(Consists of 3 Belts)
15.	4N-8596	[1]	PULLEY
16.	6N-5464	[1]	ADAPTER
17.	1H-5403	[2]	BOLT
	5S-7264	[1]	WASHER
18.	3L-1425	[1]	BEARING
19.	0T-0573	[6]	BOLT
	1D-4717	[6]	NUT
20.	9F-4446	[1]	SEAL
21.	2P-1757	[1]	HUB
22.	2P-2243	[1]	SPACER
23.	8H-9789	[1]	BEARING
24.	5S-2106	[1]	SEAL

#SEBP10790053

6N-5923: DRIVE GP-FAN (BELT)

DRIVE GP-FAN (BELT)

6N5923 FAN DRIVE GROUP
Serial No. 50W936-Up

c308466 SEBP1079

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Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	3B-8485	[1]	FITTING
2.	6N-4111	[1]	BRACKET ASSEM.
3.	0S-1588	[2]	BOLT
	5M-2894	[2]	WASHER
4.	1A-1460	[3]	BOLT
	2M-0849	[3]	WASHER
5.	7D-1728	[1]	CLIP
6.	5P-1198 E		TUBE 49CM (19.29IN.)
7.	4B-8756	[2]	NUT
8.	6L-3616	[1]	CONNECTOR
9.	6N-5270	[1]	BRACKET ASSEM.
	1P-9946 C	[1]	SHAFT
10.	4N-0955	[1]	PIN
11.	5B-5812	[1]	DOWEL
12.	1S-9209 C	[1]	SHAFT
13.	9S-7720	[1]	ELBOW
14.	6N-7053	[1]	VEE BELT SET
			(CONSISTS OF 3 BELTS)
15.	7N-1275 C	[1]	PULLEY
16.	7N-3629 C	[1]	ADAPTER
17.	5P-7979 C	[2]	BOLT
	7N-2900 C	[1]	WASHER
18.	3L-1425	[1]	BEARING
19.	0T-0573	[6]	BOLT
	1D-4717	[6]	NUT
20.	9F-4446	[1]	SEAL
21.	2P-1757	[1]	HUB
22.	2P-2243	[1]	SPACER
23.	8H-9789	[1]	BEARING
24.	5S-2106	[1]	SEAL
25.	5S-9062	[1]	SPACER
	C		INDICATES CHANGE
	E		ORDER BY THE CENTIMETER

#SEBP10790054

6N-3786: BELT TIGHTENER GP

BELT TIGHTENER GP

6N3786 BELT TIGHTENER GROUP

c178942 SEBP1079

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Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	7N-5959 C	[1]	SPRING
2.	0S-0175	[2]	PIN
	3B-4617	[2]	COTTER PIN
3.	2S-6689	[1]	RETAINER
4.	2M-0849	[1]	WASHER
5.	1D-4719	[1]	NUT
6.	6B-1124 C	[2]	BEARING
7.	1S-8687	[1]	SPACER
8.	8B-2327	[1]	RETAINER
9.	2M-2742	[1]	PLATE
10.	0L-1351	[1]	BOLT
	5M-2894	[1]	WASHER
11.	0S-0509	[1]	BOLT
	2S-6160	[1]	WASHER
12.	2S-6150	[1]	COVER
	2S-6151	[1]	GASKET
13.	0S-1618	[4]	BOLT
14.	6N-3641	[1]	PULLEY
15.	5M-9735	[1]	SEAL
16.	3B-8485	[1]	FITTING
17.	6N-3765	[1]	ARM ASSEM.
			(Includes)
	8N-4550 C	[1]	SHAFT
18.	4S-5367	[1]	BUSHING ASSEM.
19.	4N-0955	[1]	DOWEL
20.	5M-6214	[1]	PLUG (use as required)
	C		INDICATES CHANGE

#SEBP10790055

4N-0739: FLYWHEEL GP

FLYWHEEL GP

4N739 FLYWHEEL GROUP

c167981 SEBP1079

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Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	4N-1070 C	[1]	FLYWHEEL ASSEM.
			(Includes)
2.	4N-2514	[1]	GEAR (113 teeth)
3.	1A-3203	[12]	BOLT
	4D-3704	[12]	WASHER
	C		INDICATES CHANGE

#SEBP10790056

4N-1874: HOUSING GP-FLYWHEEL

HOUSING GP-FLYWHEEL

4N1874 FLYWHEEL HOUSING GROUP
Engine Serial No. 48W1 to 48W4013 inclusive

c166231 SEBP1079

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Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	0S-1619	[5]	BOLT
2.	5M-6214	[1]	PLUG
3.	4N-1626	[1]	GASKET
4.	0S-1588	[6]	BOLT
5.	5M-6213	[5]	PLUG
6.	3S-0036	[2]	PLUG
7.	5M-2894	[4]	WASHER
8.	2P-2772	[2]	COVER
	4N-0933	[2]	GASKET
9.	1A-2029	[2]	BOLT
10.	1A-5964	[2]	BOLT
11.	8S-9191	[2]	BOLT 101 mm(4 in.) long
			-OR-
	0T-0055 C	[2]	BOLT 107 mm(4.25 in.) long
12.	3B-0551	[1]	PLUG
13.	2H-6488	[8]	BOLT
14.	4N-5413	[1]	HOUSING
	C		INDICATES CHANGE

#SEBP10790057

4N-6876: COVER GP-FLYWHEEL HOUSING

COVER GP-FLYWHEEL HOUSING

4N6876 FLYWHEEL HOUSING COVER GROUP
Engine Serial No. 48W1 to 3972, 3974 to 3977, 3979 to 3981, 3984 to 3986,
3988, 3991 & 48W3993 to 48W4013 inclusive

c209153 SEBP1079

4N6876 COVER GP-FLYWHEEL HOUSING Parts scheme

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Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	4N-6672	[1]	GASKET
2.	4N-6673	[1]	COVER
3.	1A-2029	[2]	BOLT
	5M-2894	[2]	WASHER
4.	4N-1114	[1]	COVER
	4M-6853	[1]	GASKET
5.	0S-1589	[3]	BOLT
	4D-3704	[3]	WASHER

#SEBP10790058

1N-4652: FLYWHEEL HOUSING GROUP

FLYWHEEL HOUSING GROUP

1N4652 FLYWHEEL HOUSING GROUP
Engine Serial No. 48W9690 to 48W10223 inclusive

c233968 SEBP1079

1N4652 FLYWHEEL HOUSING GROUP Parts scheme

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Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	0S-1619	[5]	BOLT 7.6cm(3in.)long
2.	3D-2871	[2]	STUD
3.	8N-1911	[1]	GASKET
4.	0S-1588	[6]	BOLT 3.2cm(1.25in.)long
5.	5M-6213	[4]	PLUG (hex)
6.	3S-0036	[2]	PLUG (core)
7.	5M-2894	[4]	WASHER
8.	2P-2772	[2]	COVER
	4N-0933	[2]	GASKET
9.	1A-2029	[2]	BOLT
10.	1A-5964	[2]	BOLT
11.	0T-0055	[2]	BOLT 107 mm(4.25 in.)long
12.	3B-0551	[1]	PLUG
13.	2H-6488	[8]	BOLT 12.7cm(5in.)long
14.	7N-5729	[1]	HOUSING

#SEBP10790059

4N-1874: HOUSING GP-FLYWHEEL

HOUSING GP-FLYWHEEL

4N1874 FLYWHEEL HOUSING GROUP
Engine Serial No. 48W4014 to 48W9689 and 48W10224-Up

c176225 SEBP1079

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Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	0S-1619	[5]	BOLT 7.6cm (3 in.) long
2.	7N-9571 C	[1]	HOUSING
3.	8N-1911 C	[1]	GASKET
4.	0S-1588	[6]	BOLT 3.2cm(1.25 in.)long
5.	5M-6213	[4]	PLUG
6.	3S-0036	[2]	PLUG (core)
7.	5M-2894	[4]	WASHER
8.	2P-2772	[2]	COVER
	4N-0933	[2]	GASKET
9.	1A-2029	[2]	BOLT
10.	1A-5964	[2]	BOLT 11.4cm (4.5 in.)long
11.	0T-0055	[2 10.7cm (4.25 in.) long]	BOLT
12.	3B-0551	[1]	PLUG
13.	2H-6488	[8]	BOLT 12.7cm (5 in.) long
14.	5M-6213 C	[1]	PLUG (use as required)
15.	5M-6214 C	[1]	PLUG (use as required)
16.	3D-2871 C	[2]	STUD
	C		INDICATES CHANGE