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4N1560 DAMPER GROUP 988B WHEEL LOADER


BASIC ENGINE
DAMPER GP
GEAR GP
DRIVE GP-FAN
BELT TIGHTENER GP
FLYWHEEL GP
HOUSING GP-FLYWHEEL

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

BASIC ENGINE

DAMPER GP
DAMPER GP-CRANKSHAFT
4N-1560 DAMPER GP-CRANKSHAFT
 

#SEBP10790050
 

4N-1560: DAMPER GP-CRANKSHAFT

4N1560 DAMPER GROUP
c217082 SEBP1079
4N1560 DAMPER GP-CRANKSHAFT Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
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

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:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
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)

6N5923 FAN DRIVE GROUP
Serial No. 50W1 to 50W935 inclusive
c226303 SEBP1079
6N5923 DRIVE GP-FAN (BELT) Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
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)

6N5923 FAN DRIVE GROUP
Serial No. 50W936-Up
c308466 SEBP1079
6N5923 DRIVE GP-FAN (BELT) Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
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

6N3786 BELT TIGHTENER GROUP
c178942 SEBP1079
6N3786 BELT TIGHTENER GP Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
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

4N739 FLYWHEEL GROUP
c167981 SEBP1079
4N0739 FLYWHEEL GP Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
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

4N1874 FLYWHEEL HOUSING GROUP
Engine Serial No. 48W1 to 48W4013 inclusive
c166231 SEBP1079
4N1874 HOUSING GP-FLYWHEEL Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
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

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:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
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

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:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
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

4N1874 FLYWHEEL HOUSING GROUP
Engine Serial No. 48W4014 to 48W9689 and 48W10224-Up
c176225 SEBP1079
4N1874 HOUSING GP-FLYWHEEL Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
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
 

Information:

Caterpillar Parts SIS Catalog 988B :

GEAR GP-FRONT TIMING
7N-2840 GEAR GP-FRONT TIMING
PULLEY GP
6N-5925 PULLEY GP
FRONT TIMING GEAR GROUP
4N-4301 FRONT TIMING GEAR GROUP
COVER GP-FRONT HOUSING
4N-6798 COVER GP-FRONT HOUSING
COVER GP-FRONT HOUSING
4N-6798 COVER GP-FRONT HOUSING
HOUSING GP-FRONT
4N-5226 HOUSING GP-FRONT
TRUNNION GP-ENGINE
4N-4303 TRUNNION GP-ENGINE
SUPPORT GP-ENGINE
4N-2402 SUPPORT GP-ENGINE
GEAR GP-FRONT TIMING
7N-2840 GEAR GP-FRONT TIMING
DRIVE GP-FAN (BELT)
6N-5923 DRIVE GP-FAN (BELT)
DRIVE GP-FAN (BELT)
6N-5923 DRIVE GP-FAN (BELT)
BELT TIGHTENER GP
6N-3786 BELT TIGHTENER GP
FLYWHEEL GP
4N-0739 FLYWHEEL GP
HOUSING GP-FLYWHEEL
4N-1874 HOUSING GP-FLYWHEEL
COVER GP-FLYWHEEL HOUSING
4N-6876 COVER GP-FLYWHEEL HOUSING
FLYWHEEL HOUSING GROUP
1N-4652 FLYWHEEL HOUSING GROUP

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Italy
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