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6N2151 CYLINDER BLOCK ASSEMBLY Engine Serial No. 48W1 to 7722, 7898, 7900, 7902, 7905, 7908, 7957 to 8125, 8214, 8216, 8218, 8219, 8223, 8224, 8227, 8236, 8237, 8241, 8242 and 48W8244 inclusive Part of 4N801 Cylinder Block Group shown on Page 6 988B


BASIC ENGINE
CYLINDER BLOCK GP
CRANKSHAFT GP
CAMSHAFT GP

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

BASIC ENGINE

CYLINDER BLOCK GP
COVER GP-CYLINDER BLOCK
4N-1960 COVER GP-CYLINDER BLOCK
CYLINDER BLOCK GP
4N-0801 CYLINDER BLOCK GP
COVER GP-CYLINDER BLOCK
1W-4989 COVER GP-CYLINDER BLOCK
CYLINDER BLOCK GP
7N-9681 CYLINDER BLOCK GP
CYLINDER BLOCK GP
7N-9681 CYLINDER BLOCK GP
CYLINDER BLOCK GP
6N-2151 CYLINDER BLOCK GP
CYLINDER BLOCK GROUP
7N-9683 CYLINDER BLOCK GROUP
CYLINDER BLOCK AS
7N-0851 CYLINDER BLOCK AS
CYLINDER BLOCK GP
7N-0853 CYLINDER BLOCK GP
 

#SEBP10790010
 

6N-2151: CYLINDER BLOCK GP

6N2151 CYLINDER BLOCK ASSEMBLY
Engine Serial No. 48W1 to 7722, 7898, 7900, 7902, 7905, 7908, 7957 to 8125, 8214,
8216, 8218, 8219, 8223, 8224, 8227, 8236, 8237, 8241, 8242 and 48W8244 inclusive
Part of 4N801 Cylinder Block Group shown on Page 6
c207070 SEBP1079
6N2151 CYLINDER BLOCK GP Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7M-7410 [4] PLUG  
2. 9S-4190 [4] PLUG  
  2M-9780 [4] SEAL  
3. 9F-2247 [8] PLUG  
4. 3J-5389 [2] PLUG (use as required)  
5. 4N-6658 [2] BEARING  
6. 3S-6605 [2] PLUG  
7. 4N-0685 [3] BEARING  
8. 3B-0645 [1] PLUG  
9. 4N-9916 [8] SCREW  
10. 4N-9881 [8] TUBE ASSEM.  
11. 4N-0693 [3] PLUG  
12. 7H-3171 [4] PLUG  
13. 4N-5858 [1] CAP  
14. 3P-1323 [10] BOLT  
  9H-1031 [10] WASHER  
 

#SEBP10790011
 

7N-9683: CYLINDER BLOCK GROUP

7N9683 CYLINDER BLOCK GROUP
Engine Serial No. 48W7723 to 7897 7899, 7901, 7903, 7904, 7906, 7907, 7909 to 7956, 8126 to 8213, 8215, 8217, 8220 to 8222
8225, 8226, 8228 to 8235, 8238 to 8240, 8243 and 48W8245 to 48W13050 inclusive. Part of 7N9681 Cylinder Block Group
shown on Page 6A
c219307 SEBP1079
7N9683 CYLINDER BLOCK GROUP Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7M-7410 [4] PLUG  
2. 9S-4190 [4] PLUG  
  2M-9780 [4] SEAL  
3. 9F-2247 [8] PLUG  
4. 3J-5389 [3] PLUG (use as required)  
5. 4N-6658 [2] BEARING  
6. 3S-6605 [2] PLUG  
7. 4N-0685 [3] BEARING  
8. 3B-0645 [1] PLUG  
9. 4N-9916 [8] BOLT  
10. 4N-9881 [8] TUBE ASSEM.  
11. 4N-0693 [3] PLUG  
12. 7H-3171 [4] PLUG  
13. 4N-5858 [5] CAP  
14. 3P-1323 [10] BOLT  
  9H-1031 [10] WASHER  
 

#SEBP10790012
 

7N-0851: CYLINDER BLOCK AS

7N851 CYLINDER BLOCK ASSEMBLY
Engine Serial No. 48W13051-Up. Part of 7N9681 Cylinder Block Group shown on Page 6A-2
For Field Replacement order 7N853 shown on Page 7B
c234684 SEBP1079
7N0851 CYLINDER BLOCK AS Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2N-6210 [24] SEAL-O-RING  
2. 7N-0943 [8] LINER-CYLINDER  
3. 9L-5854 [8] BAND-FILLER  
4. 3P-1323 [10] BOLT-BEARING CAP  
  9H-1031 [10] WASHER-HARD  
5. 4N-0614 [5] CAP-CRANKSHAFT BEARING  
6. 7N-0853 [1] CYLINDER BLOCK GP  
7. 4N-6658 [2] BEARING-SLEEVE  
8. 3J-5389 [2] PLUG  
9. 4N-0685 [3] BEARING-SLEEVE  
 

#SEBP10790013
 

7N-0853: CYLINDER BLOCK GP

7N853 CYLINDER BLOCK GROUP--Field Installation
Provides Field Replacement for 7N851 shown on Page 7A
c234685 SEBP1079
7N0853 CYLINDER BLOCK GP Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7M-7410 [4] PLUG  
2. 9S-4190 [4] PLUG  
  2M-9780 [4] SEAL  
3. 9F-2247 [8] PLUG  
4. 3J-5389 [2] PLUG (use as required)  
5. 4N-6658 [2] BEARING  
6. 3S-6605 [2] PLUG  
7. 4N-0685 [3] BEARING  
8. 3B-0645 [1] PLUG  
9. 4N-9916 [8] BOLT  
10. 4N-9881 [8] TUBE ASSEM.  
11. 4N-0693 [3] PLUG  
12. 7H-3171 [4] PLUG  
13. 4N-5858 [5] CAP  
14. 3P-1323 [10] BOLT  
  9H-1031 [10] WASHER  
 

#SEBP10790014
 

4N-0920: CRANKSHAFT GROUP

4N920 CRANKSHAFT GROUP
Engine Serial No. 48W1 to 2493, 2496 to 2498, 2522, 2530, 2542, 2585, 2586, 2710,
2715 and 48W2726 inclusive
c211631 SEBP1079
4N0920 CRANKSHAFT GROUP Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-9442 RY [1] CRANKSHAFT ASSEM.  
    (Separate Illustration)
2. 6N-8743 C [5] BEARING  
3. 4N-0849 [2] PLATE  
4. 5S-9022 [2] SEAL  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#SEBP10790015
 

4N-9442: KIT-CRANKSHAFT

4N9442 CRANKSHAFT ASSEMBLY
Engine Serial No. 48W1 to 2493, 2496 to 2498, 2522, 2530, 2542, 2585, 2586, 2710,
2715 and 48W2726 inclusive. Part of 4N920 Crankshaft Group
c156201 SEBP1079
4N9442 KIT-CRANKSHAFT Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-0684 [1] PIN  
2. 4N-0848 [2] SLEEVE  
3. 9F-2247 [5] PLUG  
4. 7S-5005 [1] DOWEL  
5. 4N-0418 [1] GEAR (80 teeth)  
 

#SEBP10790016
 

7N-3410: CRANKSHAFT GP

7N3410 CRANKSHAFT GROUP
Engine Serial No. 48W2494, 2495, 2499 to 2521, 2523 to 2529, 2531 to 2541,
2543 to 2584, 2587 to 2709, 2711 to 2714, 2716 to 2725 & 48W2727-Up
c234686 SEBP1079
7N3410 CRANKSHAFT GP Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-3407 YR [1] CRANKSHAFT AS  
2. 8N-5421 C [5] BEARING-MAIN  
3. 1W-5252 C [2] PLATE-THRUST  
4. 7N-1999 C [2] SEAL GP-CRANKSHAFT  
  C   CHANGE FROM PREVIOUS TYPE
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10790017
 

7N-3407: CRANKSHAFT AS

7N3407 CRANKSHAFT ASSEMBLY
Engine Serial No. 48W2494, 2495, 2499 to 2521, 2523 to 2529, 2531 to 2541,
2543 to 2584, 2587 to 2709, 2711 to 2714, 2716 to 2725 & 48W2727-Up
Part of 7N3410 Crankshaft Group
c226141 SEBP1079
7N3407 CRANKSHAFT AS Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-0684 [1] PIN-DOWEL  
2. 7N-7591 C [1] GEAR-CRANKSHAFT (80 TEETH)  
3. 9F-2247 [5] PLUG  
4. 7S-5005 [1] DOWEL  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP10790018
 

CRANKSHAFT BEARING REPLACEMENTS

CRANKSHAFT BEARING REPLACEMENTS
SEBP10790018 SEBP1079
None CRANKSHAFT BEARING REPLACEMENTS Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
 

#SEBP10790019
 

4N-0963: CAMSHAFT GP-SINGLE

4N963 CAMSHAFT GROUP
6N5673 Camshaft parts are shown on Page 10
c932267 SEBP1079
4N0963 CAMSHAFT GP-SINGLE Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-5673 Y [1] CAMSHAFT ASSEM.  
    (Separate Illustration)
2. 0S-0509 [2] BOLT  
3. 4N-0342 [1] PLATE  
  Y   SEPARATE ILLUSTRATION
 

Information:

Caterpillar Parts SIS Catalog 988B :

CYLINDER BLOCK GP
7N-9681 CYLINDER BLOCK GP
CYLINDER BLOCK GP
7N-9681 CYLINDER BLOCK GP
COVER GP-CYLINDER BLOCK
1W-4989 COVER GP-CYLINDER BLOCK
CYLINDER BLOCK GP
4N-0801 CYLINDER BLOCK GP
COVER GP-CYLINDER BLOCK
4N-1960 COVER GP-CYLINDER BLOCK
8N-1843 ENGINE AR
8N-1843 ENGINE AR
4N-6254 ENGINE ARRANGEMENT
CYLINDER BLOCK GROUP
7N-9683 CYLINDER BLOCK GROUP
CYLINDER BLOCK AS
7N-0851 CYLINDER BLOCK AS
CYLINDER BLOCK GP
7N-0853 CYLINDER BLOCK GP
CRANKSHAFT GROUP
4N-0920 CRANKSHAFT GROUP
KIT-CRANKSHAFT
4N-9442 KIT-CRANKSHAFT
CRANKSHAFT GP
7N-3410 CRANKSHAFT GP
CRANKSHAFT AS
7N-3407 CRANKSHAFT AS
CRANKSHAFT BEARING REPLACEMENTS
CRANKSHAFT BEARING REPLACEMENTS

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Italy
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