124-4462 COVER GP-FRONT HOUSING S/N 99C9764-UP 988B WHEEL LOADER



BASIC ENGINE
HOUSING GP-FRONT
PAN GP-OIL
VALVE MECHANISM GP
CRANKSHAFT GP
CYLINDER BLOCK GP

WHEEL LOADER 988B WHEEL LOADER 50W
 3408E Engine Emissions Retrofit Repower Tier I For 988B And 988F Wheel Loader 50W00001-UP (MACHINE) SEBP5251 988B 50W   (1976)

BASIC ENGINE

HOUSING GP-FRONT
COVER GP-FRONT HOUSING
124-4462 COVER GP-FRONT HOUSING
COVER GP-FRONT HOUSING
126-0768 COVER GP-FRONT HOUSING
GEAR GP-FRONT
126-7281 GEAR GP-FRONT
HOUSING GP-FRONT
126-7280 HOUSING GP-FRONT
HOUSING GP-FRONT
126-7280 HOUSING GP-FRONT
 

#SEBP52510010
 

124-4462: COVER GP-FRONT HOUSING

124-4462 COVER GP-FRONT HOUSING
S/N 99C9764-UP
i00172081 SEBP5251
1244462 COVER GP-FRONT HOUSING Parts scheme
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Parts for your 988B WHEEL LOADER:

Pos. Part No Qty Parts name Comments
1. 9N-5576 [1] COVER-FUEL PUMP GEAR  
2. 193-9155 [1] GASKET (FUEL PUMP GEAR)  
3. 116-5821 [1] SUPPORT-HOUSING (RH)  
4. 116-6264 [1] SUPPORT-HOUSING (LH)  
5. 3S-1307 [4] BOLT-12 POINT HEAD (3/8-16X2-IN)  
6. 5F-4899 [4] BOLT (3/8-16X5.5-IN)  
7. 0L-1352 [6] BOLT (3/8-16X3.25-IN)  
8. 5M-2894 [1] WASHER-HARD (10.2X18.5X2.5-MM THK)  
9. 9S-8752 [7] NUT-FULL (3/8-16-THD)  
10. 3K-3256 [1] STUD-TAPERLOCK (3/8-16X1.7-IN)  
11. 2P-1974 [3] STUD-TAPERLOCK (3/8-16X4.2-IN)  
12. 3B-4589 [1] STUD (3/8-IN NCX3-5/8)  
13. 3M-0496 [1] STUD-TAPERLOCK (3/8-16X2.6-IN)  
 

#SEBP52510011
 

126-0768: COVER GP-FRONT HOUSING

126-0768 COVER GP-FRONT HOUSING
S/N 99C9850-UP
i00093595 SEBP5251
1260768 COVER GP-FRONT HOUSING Parts scheme
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Parts for your 988B WHEEL LOADER:

Pos. Part No Qty Parts name Comments
1. 9N-5576 [1] COVER-FUEL PUMP GEAR  
2. 193-9155 [1] GASKET  
3. 116-5821 [1] SUPPORT-HOUSING (RH)  
4. 116-6264 [1] SUPPORT-HOUSING (LH)  
5. 3S-1307 [4] BOLT-12 POINT HEAD (3/8-16X2-IN)  
6. 5F-4899 [4] BOLT (3/8-16X5.5-IN)  
7. 0L-1352 [6] BOLT (3/8-16X3.25-IN)  
8. 5M-2894 [9] WASHER-HARD (10.2X18.5X2.5-MM THK)  
9. 9S-8752 [7] NUT-FULL (3/8-16-THD)  
10. 3K-3256 [1] STUD-TAPERLOCK (3/8-16X1.7-IN)  
11. 2P-1974 [3] STUD-TAPERLOCK (3/8-16X4.2-IN)  
12. 3B-4589 [1] STUD (3/8-IN NCX3-5/8)  
13. 3M-0496 [1] STUD-TAPERLOCK (3/8-16X2.6-IN)  
14. 6N-2508 [1] GASKET  
15. 6N-2509 [1] COVER  
16. 0S-1594 [3] BOLT (3/8-16X1-IN)  
17. 125-9794 [1] SEAL-O-RING  
18. 4P-7820 [1] COVER-ACCESSORY DRIVE  
 

#SEBP52510012
 

126-7284: COVER GP-OIL PAN

126-7284 COVER GP-OIL PAN
S/N 99C9850-UP
i00166841 SEBP5251
1267284 COVER GP-OIL PAN Parts scheme
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Parts for your 988B WHEEL LOADER:

Pos. Part No Qty Parts name Comments
1. 4P-0519 [1] ADAPTER AS-DRAIN  
  109-5839 [1] PLUG-DRAIN (ENGINE OIL PAN)  
2. 9S-4185 [1] PLUG (3/4-16-THD)  
3. 379-5053 [1] SEAL-O-RING  
4. 0S-1587 [2] BOLT (1/2-13X1.75-IN)  
5. 8L-2786 [1] SEAL-O-RING  
6. 0S-1591 [1] BOLT (3/8-16X1.5-IN)  
7. 1W-4986 [1] ELBOW  
8. 109-0072 [1] SEAL-O-RING  
9. 165-6170 [3] PLUG  
 

#SEBP52510013
 

127-8942: COVER GP-OIL PAN

127-8942 COVER GP-OIL PAN
S/N 99C9764-UP
i00172115 SEBP5251
1278942 COVER GP-OIL PAN Parts scheme
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Parts for your 988B WHEEL LOADER:

Pos. Part No Qty Parts name Comments
1. 4P-0519 [1] ADAPTER AS-DRAIN  
  109-5839 [1] PLUG-DRAIN (ENGINE OIL PAN)  
  109-5840 [1] ADAPTER-PLUG  
2. 9S-4185 [1] PLUG (3/4-16-THD)  
3. 379-5053 [1] SEAL-O-RING  
4. 0S-1587 [2] BOLT (1/2-13X1.75-IN)  
5. 8L-2786 [1] SEAL-O-RING  
6. 0S-1588 [1] BOLT (3/8-16X1.25-IN)  
7. 5M-2894 [1] WASHER-HARD (10.2X18.5X2.5-MM THK)  
8. 4N-9968 [1] PLUG  
9. 109-0072 [1] SEAL-O-RING  
 

#SEBP52510014
 

109-9004: COVER GP-VALVE MECHANISM

109-9004 COVER GP-VALVE MECHANISM
S/N 99C9764-UP
i00166793 SEBP5251
1099004 COVER GP-VALVE MECHANISM Parts scheme
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Parts for your 988B WHEEL LOADER:

Pos. Part No Qty Parts name Comments
1. 119-9015 [1] COVER AS-VALVE  
    (EACH INCLUDES)
  272-2583 [1] SEAL-O-RING  
  7C-6514 [1] ADAPTER  
2. 114-8684 [2] COVER-VALVE MECHANISM  
3. 1B-2790 [44] BOLT (5/16-18X1.375-IN)  
4. 9M-1974 [44] WASHER-HARD (8.8X16X2-MM THK)  
5. 106-9488 [4] BASE-VALVE MECHANISM COVER  
6. 230-0940 [8] SEAL-VALVE COVER  
7. 4N-4668 [2] BREATHER AS (CRANKCASE)  
8. 6V-3831 [2] SEAL-O-RING  
9. 2N-8109 [2] CLAMP  
10. 191-7782 [1] COVER-VALVE MECHANISM  
 

#SEBP52510015
 

1W-5009: CRANKSHAFT AS

1W-5009 CRANKSHAFT AS
S/N 99C9764-UP
PART OF 1W-5010 CRANKSHAFT GP
i00093383 SEBP5251
1W5009 CRANKSHAFT AS Parts scheme
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Parts for your 988B WHEEL LOADER:

Pos. Part No Qty Parts name Comments
1. 4N-0684 [1] DOWEL  
2. 8T-6757 [5] PLUG-PIPE  
3. 7S-5005 [1] DOWEL  
4. 7N-7591 [1] GEAR-CRANKSHAFT (80-TEETH)  
 

#SEBP52510016
 

1W-5010: CRANKSHAFT GP

1W-5010 CRANKSHAFT GP
S/N 99C9764-UP
i00093384 SEBP5251
1W5010 CRANKSHAFT GP Parts scheme
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Parts for your 988B WHEEL LOADER:

Pos. Part No Qty Parts name Comments
1. 1W-5009 Y [1] CRANKSHAFT AS  
2. 317-8766 [5] BEARING-MAIN (STANDARD)  
  4W-5698 AB BEARING-MAIN (0.63-MM US)  
  4W-5699 AB BEARING-MAIN (1.27-MM US)  
  4W-5700 AB BEARING-MAIN (0.63-MM OS)  
  4W-5701 AB BEARING-MAIN (0.63-MM OS, 0.63-MM US)  
3. 253-1752 C [2] PLATE-THRUST  
4. 319-7401 Y [1] SEAL GP-CRANKSHAFT (FRONT)  
5. 319-0785 Y [1] SEAL GP-CRANKSHAFT (REAR)(FLYWHEEL HOUSING)  
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP52510017
 

110-3779: CYLINDER BLOCK AS

110-3779 CYLINDER BLOCK AS
S/N 99C9764-UP
PART OF 109-9009 CYLINDER BLOCK GP
i00470424 SEBP5251
1103779 CYLINDER BLOCK AS Parts scheme
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Parts for your 988B WHEEL LOADER:

Pos. Part No Qty Parts name Comments
1. 122-2245 Y [1] CYLINDER BLOCK AS  
2. 9L-5854 [8] BAND-FILLER (130.2-MM ID)  
3. 197-9322 [8] LINER-CYLINDER BLOCK  
4. 110-2220 [8] SEAL-LINER  
5. 142-7072 [8] SEAL-LINER  
6. 142-6217 [8] SEAL-O-RING (140.20MM ID)  
   
  101-0523 ABFN INSERT-LINER SEAT (5.21-MM THK)(STANDARD)  
  101-0524 ABFN INSERT-LINER SEAT (5.16-MM THK)(0.5-MM US)  
  101-0525 ABFN INSERT-LINER SEAT (5.26-MM THK)(0.5-MM OS)  
  9Y-3368 ABFN INSERT-LINER SEAT (0.822-MM THK)(STANDARD)  
  6I-4361 ABFN INSERT-LINER SEAT (0.772-MM THK)(0.05-MM US)  
  6I-4362 ABFN INSERT-LINER SEAT (0.872-MM THK)(0.05-MM OS)  
  2W-3815 ABFN INSERT-LINER SEAT (1.605-MM THK)(STANDARD)  
  6I-4363 ABFN INSERT-LINER SEAT (1.555-MM THK)(0.05-MM US)  
  6I-4364 ABFN INSERT-LINER SEAT (1.655-MM THK)(0.05-MM OS)  
  5N-0093 ABFN INSERT-LINER SEAT (2.71-MM THK)(STANDARD)  
  6I-4365 ABFN INSERT-LINER SEAT (2.66-MM THK)(0.05-MM US)  
  6I-4366 ABFN INSERT-LINER SEAT (2.76-MM THK)(0.05-MM OS)  
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
  F   NOT SHOWN
  N   FOR SALVAGE OF DAMAGED LIFTER BORE IN CYLINDER BLOCK REFER TO SEBF8076 IN SISWEB
  Y   SEPARATE ILLUSTRATION
 

#SEBP52510018
 

122-2245: CYLINDER BLOCK AS

122-2245 CYLINDER BLOCK AS
S/N 99C9764-UP
PART OF 110-3779 CYLINDER BLOCK AS
i00093583 SEBP5251
1222245 CYLINDER BLOCK AS Parts scheme
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Parts for your 988B WHEEL LOADER:

Pos. Part No Qty Parts name Comments
1. 485-1966 [5] CAP-CRANKSHAFT  
2. 3P-1323 [10] BOLT-BEARING CAP (7/8-14X7.75-IN)  
3. 4N-6658 [2] BUSHING (1.3-IN WIDE)  
4. 4N-0685 [3] BUSHING (1-IN WIDE)  
5. 9H-1031 [10] WASHER-HARD (24X41.5X6-MM THK)  
6. 7W-6492 [2] PLUG-PIPE (1/2-14-THD)  
 

#SEBP52510019
 

109-9009: CYLINDER BLOCK GP

109-9009 CYLINDER BLOCK GP
S/N 99C9764-UP
i00093530 SEBP5251
1099009 CYLINDER BLOCK GP Parts scheme
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Parts for your 988B WHEEL LOADER:

Pos. Part No Qty Parts name Comments
1. 4N-1650 [4] DOWEL  
2. 8T-6763 [4] PLUG-PIPE (1/4-18-THD)  
3. 101-8917 [18] STUD-TAPERLOCK (3/8-16X4.5-IN)  
4. 110-3779 Y [1] CYLINDER BLOCK AS  
5. 7C-7407 [1] STUD  
6. 6N-9133 [2] GASKET-PLATE  
7. 6I-4613 [2] PLATE-SPACER  
8. 5P-8356 [2] SEAL-O-RING  
9. 8T-6757 [6] PLUG-PIPE  
10. 3S-6605 [2] PLUG-CUP  
11. 6L-4428 [3] STUD-TAPERLOCK (3/8-16X4.01-IN)  
12. 3B-0645 [1] PLUG-CUP  
14. 7C-9614 [3] PLUG-TAPERLOCK (1-5/8-12-THD)  
15. 4N-0683 [4] DOWEL  
   
  101-0523 ABFN INSERT-LINER SEAT (5.21-MM THK)(STANDARD)  
  101-0524 ABFN INSERT-LINER SEAT (5.16-MM THK)(0.5-MM US)  
  101-0525 ABFN INSERT-LINER SEAT (5.26-MM THK)(0.5-MM OS)  
  9Y-3368 ABFN INSERT-LINER SEAT (0.822-MM THK)(STANDARD)  
  6I-4361 ABFN INSERT-LINER SEAT (0.772-MM THK)(0.05-MM US)  
  6I-4362 ABFN INSERT-LINER SEAT (0.872-MM THK)(0.05-MM OS)  
  2W-3815 ABFN INSERT-LINER SEAT (1.605-MM THK)(STANDARD)  
  6I-4363 ABFN INSERT-LINER SEAT (1.555-MM THK)(0.05-MM US)  
  6I-4364 ABFN INSERT-LINER SEAT (1.655-MM THK)(0.05-MM OS)  
  5N-0093 ABFN INSERT-LINER SEAT (2.71-MM THK)(STANDARD)  
  6I-4365 ABFN INSERT-LINER SEAT (2.66-MM THK)(0.05-MM US)  
  6I-4366 ABFN INSERT-LINER SEAT (2.76-MM THK)(0.05-MM OS)  
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
  F   NOT SHOWN
  N   FOR SALVAGE OF DAMAGED LIFTER BORES IN CYLINDER BLOCK REFER TO SEBF8076 IN SISWEB
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

Information:

Specifications
Timing Gear Housing
3408 VEHICULAR ENGINE
Housing (Front)
3408E and 3412E Engines for Caterpillar Built Machines
Reuse And Salvage Guidelines
Thermal Spray Procedures for Engine Front Cover{0679, 1150, 1151, 1162}
Thermal Spray Procedures for Engine Front Cover{0679, 1150, 1151, 1162}
Disassembly and Assembly
Crankshaft Front Seal And Wear Sleeve
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER
Timing Gear Cover
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER
Timing Gears
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER
Crankshaft Front Seal And Wear Sleeve
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER
Timing Gear Cover
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER
Timing Gears
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER
Front Cover - Remove
3408E and 3412E Engines for Caterpillar Built Machines
Front Cover - Install
3408E and 3412E Engines for Caterpillar Built Machines
Housing (Front) - Remove
3408E and 3412E Engines for Caterpillar Built Machines
Housing (Front) - Install
3408E and 3412E Engines for Caterpillar Built Machines
Service Magazine
New, Tougher Gasket Used Between Block And Front Housing{1151,7555}
1985/12/09
Internal Retaining Ring In Drive Gear For Transmission Oil Pump Prevents Possible Damage To Engine Timing Gears{3153}
1977/07/11
Stronger Timing Gear Housing; Additional Stud Used At Top Of Housing{1151,1201}
1987/02/23
New Timing Gear Housing Used In Front Housing Groups To Help Prevent Oil Leaks{1162,1166}
1987/09/21
New Bolts With "Lock-Patch" Used In Front Timing Gear Groups {1206}
1995/07/03
Procedure For Installing Steel Core Gasket At The Front Housing And The Flywheel Housing {1151,1157,1162}
1996/11/25
Procedure for Installing the Front Gears and Dampers on Certain Caterpillar Engines {1151, 1162, 1205, 1206}
2008/02/18

Caterpillar Parts SIS Catalog 988B :

COVER GP-FLYWHEEL HOUSING
4N-6876 COVER GP-FLYWHEEL HOUSING
COVER GP-CYLINDER BLOCK
9N-0452 COVER GP-CYLINDER BLOCK
COVER GP-CYLINDER BLOCK
165-6083 COVER GP-CYLINDER BLOCK
CAMSHAFT GP
108-1547 CAMSHAFT GP
313-2691 INSTALLATION GP-ENGINE
225-0399 ENGINE AR
225-0398 ENGINE AR
225-0406 CONVERSION AR-ENGINE
COVER GP-FRONT HOUSING
126-0768 COVER GP-FRONT HOUSING
COVER GP-OIL PAN
126-7284 COVER GP-OIL PAN
COVER GP-OIL PAN
127-8942 COVER GP-OIL PAN
COVER GP-VALVE MECHANISM
109-9004 COVER GP-VALVE MECHANISM
CRANKSHAFT AS
1W-5009 CRANKSHAFT AS
CRANKSHAFT GP
1W-5010 CRANKSHAFT GP
CYLINDER BLOCK AS
110-3779 CYLINDER BLOCK AS
CYLINDER BLOCK AS
122-2245 CYLINDER BLOCK AS

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