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988B WHEEL LOADER 50W00001-06040 (MACHINE) POWERED BY 3408 ENGINE Caterpillar SIS



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

Parts group 988B:

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BASIC ENGINE
BELT TIGHTENER GP
BELT TIGHTENER GP
6N-3786 BELT TIGHTENER GP
6N3786 BELT TIGHTENER GROUP
CAMSHAFT GP
CAMSHAFT GP-SINGLE
4N-0963 CAMSHAFT GP-SINGLE
4N963 CAMSHAFT GROUP
6N5673 Camshaft parts are shown on Page 10
CAMSHAFT AS
6N-5673 CAMSHAFT AS
6N5673 CAMSHAFT ASSEMBLY
Part of 4N963 Camshaft Group shown on Page 9
CRANKSHAFT GP
CRANKSHAFT GROUP
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
KIT-CRANKSHAFT
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
CRANKSHAFT GP
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
CRANKSHAFT AS
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
CRANKSHAFT BEARING REPLACEMENTS
CRANKSHAFT BEARING REPLACEMENTS
CRANKSHAFT BEARING REPLACEMENTS
CYLINDER BLOCK GP
COVER GP-CYLINDER BLOCK
4N-1960 COVER GP-CYLINDER BLOCK
4N1960 CYLINDER BLOCK COVER GROUP
Engine Serial No. 48W1 to 48W13172 inclusive
CYLINDER BLOCK GP
4N-0801 CYLINDER BLOCK GP
4N801 CYLINDER BLOCK GROUP
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
6N2151 Cylinder Block parts are shown on Page 6B
COVER GP-CYLINDER BLOCK
1W-4989 COVER GP-CYLINDER BLOCK
1W4989 CYLINDER BLOCK COVER GROUP
Engine Serial No. 48W13173-Up
CYLINDER BLOCK GP
7N-9681 CYLINDER BLOCK GP
7N9681 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. 7N9683 Cylinder Block parts are shown on Page 7
CYLINDER BLOCK GP
7N-9681 CYLINDER BLOCK GP
7N9681 CYLINDER BLOCK GROUP
Engine Serial No. 48W13051-Up
7N851 Block parts are shown on Page 7A
CYLINDER BLOCK GP
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
CYLINDER BLOCK GROUP
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
CYLINDER BLOCK AS
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
CYLINDER BLOCK GP
7N-0853 CYLINDER BLOCK GP
7N853 CYLINDER BLOCK GROUP--Field Installation
Provides Field Replacement for 7N851 shown on Page 7A
CYLINDER HEAD GP
CYLINDER HEAD GP
4N-1817 CYLINDER HEAD GP
4N1817 CYLINDER HEAD GROUP
Engine Serial No. 48W1 to 48W948 inclusive
4N1710 Cylinder Head parts are shown on Page 11B
CYLINDER HEAD GP
4N-1817 CYLINDER HEAD GP
4N1817 CYLINDER HEAD GROUP
Engine Serial No. 48W949 to 48W6740 inclusive
6N9979 Cylinder Head parts are shown on Pages 12 & 12A
CYLINDER HEAD GP
4N-1817 CYLINDER HEAD GP
4N1817 CYLINDER HEAD GROUP
Engine Serial No. 48W6741 to 48W7684 inclusive
6N9979 Cylinder Head parts are shown on Page 12A
CYLINDER HEAD GP
4N-1816 CYLINDER HEAD GP
4N1816 CYLINDER HEAD GROUP
Engine Serial No. 48W7685 to 48W13025 inclusive
6N9979 Cylinder Head parts are shown on Page 12A
CYLINDER HEAD GP
4N-1816 CYLINDER HEAD GP
4N1816 CYLINDER HEAD GROUP
Engine Serial No. 48W13026-Up
7N857 Cylinder Head parts are shown on Page 11A-4
CYLINDER HEAD GP
7N-0857 CYLINDER HEAD GP
7N857 CYLINDER HEAD GROUP
Engine Serial No. 48W13026-Up
Part of 4N1816 Cylinder Head Group shown on Page 11A-3
CYLINDER HEAD GROUP
4N-1710 CYLINDER HEAD GROUP
4N1710 CYLINDER HEAD GROUP
Engine Serial No. 48W1 to 48W948 inclusive
Part of 4N1817 Cylinder Head Group shown on Page 11
CYLINDER HEAD GP
6N-9979 CYLINDER HEAD GP
6N9979 CYLINDER HEAD GROUP
Engine Serial No. 48W949 to 48W2279 inclusive
Part of 4N1817 Cylinder Head Group shown on Page 11A
CYLINDER HEAD GP
6N-9979 CYLINDER HEAD GP
6N9979 CYLINDER HEAD GROUP
Engine Serial No. 48W2280 to 48W13025 inclusive
Part of 4N1817 & 4N1816 Cylinder Head Group shown on Pages 11A, 11A-1 and 11A-2
DAMPER GP
DAMPER GP-CRANKSHAFT
4N-1560 DAMPER GP-CRANKSHAFT
4N1560 DAMPER GROUP
DRIVE GP-FAN
DRIVE GP-FAN (BELT)
6N-5923 DRIVE GP-FAN (BELT)
6N5923 FAN DRIVE GROUP
Serial No. 50W1 to 50W935 inclusive
DRIVE GP-FAN (BELT)
6N-5923 DRIVE GP-FAN (BELT)
6N5923 FAN DRIVE GROUP
Serial No. 50W936-Up
FLYWHEEL GP
FLYWHEEL GP
4N-0739 FLYWHEEL GP
4N739 FLYWHEEL GROUP
GEAR GP
HOUSING GP-FRONT
4N-5226 HOUSING GP-FRONT
4N5226 FRONT HOUSING GROUP--Timing Gear
COVER GP-FRONT HOUSING
4N-6798 COVER GP-FRONT HOUSING
4N6798 FRONT HOUSING COVER GROUP--Timing Gear
Engine Serial No. 48W1 to 48W9781 inclusive
COVER GP-FRONT HOUSING
4N-6798 COVER GP-FRONT HOUSING
4N6798 FRONT HOUSING COVER GROUP--Timing Gear
Engine Serial No. 48W9782-Up
FRONT TIMING GEAR GROUP
4N-4301 FRONT TIMING GEAR GROUP
4N4301 FRONT TIMING GEAR GROUP
Engine Serial No. 48W1 to 48W2666 and 48W3101 to 48W3559 inclusive
GEAR GP-FRONT TIMING
7N-2840 GEAR GP-FRONT TIMING
7N2840 FRONT TIMING GEAR GROUP
Engine Serial No. 48W2667 to 48W3100 and 48W3560 to 48W7836 inclusive
GEAR GP-FRONT TIMING
7N-2840 GEAR GP-FRONT TIMING
7N2840 FRONT TIMING GEAR GROUP
Engine Serial No. 48W7837-Up
GEAR GP-REAR
4N-4302 GEAR GP-REAR
4N4302 REAR GEAR GROUP--Part 1 of 2
Engine Serial No. 48W1 to 48W2481 inclusive
GEAR GP-REAR
4N-4302 GEAR GP-REAR
4N4302 REAR GEAR GROUP--Part 2 of 2
Engine Serial No. 48W1 to 48W2481 inclusive
GEAR GP-REAR
4N-4302 GEAR GP-REAR
4N4302 REAR GEAR GROUP--Part 1 of 2
Engine Serial No. 48W2482 to 48W4013 inclusive
GEAR GP-REAR
4N-4302 GEAR GP-REAR
4N4302 REAR GEAR GROUP--Part 2 of 2
Engine Serial No. 48W2482 to 48W4013 inclusive
GEAR GP-REAR
4N-4302 GEAR GP-REAR
4N4302 REAR GEAR GROUP--Part 1 of 2
Engine Serial No. 48W4014 to 48W9689 inclusive
GEAR GP-REAR
4N-4302 GEAR GP-REAR
4N4302 REAR GEAR GROUP--Part 2 of 2
Engine Serial No. 48W4014 to 48W9689 inclusive
GEAR GP-REAR
4N-4302 GEAR GP-REAR
4N4302 REAR GEAR GROUP--Part 1 of 2
Engine Serial No. 48W9690-Up
GEAR GP-REAR
4N-4302 GEAR GP-REAR
4N4302 REAR GEAR GROUP--Part 2 of 2
Engine Serial No. 48W9690-Up
HOUSING GP-FLYWHEEL
HOUSING GP-FLYWHEEL
4N-1874 HOUSING GP-FLYWHEEL
4N1874 FLYWHEEL HOUSING GROUP
Engine Serial No. 48W1 to 48W4013 inclusive
COVER GP-FLYWHEEL HOUSING
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
FLYWHEEL HOUSING GROUP
1N-4652 FLYWHEEL HOUSING GROUP
1N4652 FLYWHEEL HOUSING GROUP
Engine Serial No. 48W9690 to 48W10223 inclusive
HOUSING GP-FLYWHEEL
4N-1874 HOUSING GP-FLYWHEEL
4N1874 FLYWHEEL HOUSING GROUP
Engine Serial No. 48W4014 to 48W9689 and 48W10224-Up
COVER GP-FLYWHEEL HOUSING
4N-6876 COVER GP-FLYWHEEL HOUSING
4N6876 FLYWHEEL HOUSING COVER GROUP
Engine Serial No. 48W3973, 3978, 3982, 3983, 3987, 3989, 3990, 3992
& 48W4014-Up
HOUSING GP-FRONT
HOUSING GP-FRONT
4N-5226 HOUSING GP-FRONT
4N5226 FRONT HOUSING GROUP--Timing Gear
COVER GP-FRONT HOUSING
4N-6798 COVER GP-FRONT HOUSING
4N6798 FRONT HOUSING COVER GROUP--Timing Gear
Engine Serial No. 48W1 to 48W9781 inclusive
COVER GP-FRONT HOUSING
4N-6798 COVER GP-FRONT HOUSING
4N6798 FRONT HOUSING COVER GROUP--Timing Gear
Engine Serial No. 48W9782-Up
FRONT TIMING GEAR GROUP
4N-4301 FRONT TIMING GEAR GROUP
4N4301 FRONT TIMING GEAR GROUP
Engine Serial No. 48W1 to 48W2666 and 48W3101 to 48W3559 inclusive
GEAR GP-FRONT TIMING
7N-2840 GEAR GP-FRONT TIMING
7N2840 FRONT TIMING GEAR GROUP
Engine Serial No. 48W2667 to 48W3100 and 48W3560 to 48W7836 inclusive
GEAR GP-FRONT TIMING
7N-2840 GEAR GP-FRONT TIMING
7N2840 FRONT TIMING GEAR GROUP
Engine Serial No. 48W7837-Up
LIFTING GP-ENGINE
LIFTING GP
7N-1750 LIFTING GP
7N1750 LIFTING EYE GROUP
MOUNTING GP-ENGINE
SUPPORT GP-ENGINE
4N-2184 SUPPORT GP-ENGINE
4N2184 ENGINE SUPPORT GROUP--Front
SUPPORT GP-ENGINE
4N-2402 SUPPORT GP-ENGINE
4N2402 ENGINE SUPPORT GROUP--Rear
TRUNNION GP-ENGINE
4N-4303 TRUNNION GP-ENGINE
4N4303 TRUNNION GROUP
PAN GP-OIL
OIL PAN GROUP
6N-9059 OIL PAN GROUP
6N9059 OIL PAN GROUP
Serial No. 48W1 to 48W870 inclusive
PAN GP-OIL
4N-1733 PAN GP-OIL
4N1733 OIL PAN GROUP
Serial No. 48W871-Up
OIL PAN COVER GROUP
6N-8996 OIL PAN COVER GROUP
6N8996 OIL PAN COVER GROUP
Engine Serial No. 48W1 to 48W2939 inclusive
COVER GP-OIL PAN
4N-8159 COVER GP-OIL PAN
4N8159 OIL PAN COVER GROUP
Engine Serial No. 48W2940 to 48W13172 inclusive
COVER GP-OIL PAN
1W-4990 COVER GP-OIL PAN
1W4990 OIL PAN COVER GROUP
Engine Serial No. 48W13173-Up
PISTON & ROD GP
PISTON & ROD GP
4N-1994 PISTON & ROD GP
4N1994 CONNECTING ROD AND PISTON GROUP--8 Required
Engine Serial No. 48W1 to 3186, 3206 to 48W3245 inclusive
PISTON & ROD GP
7N-3517 PISTON & ROD GP
7N3517 CONNECTING ROD AND PISTON GROUP--8 Required
Engine Serial No. 48W3187 to 48W3205 and 48W3246 to 48W6040 inclusive
PISTON & ROD GP
7N-3517 PISTON & ROD GP
7N3517 ROD AND PISTON GROUP--8 Required
Engine Serial No. 48W6041 to 48W7684 inclusive
PISTON & ROD GP
7N-3518 PISTON & ROD GP
7N3518 CONNECTING ROD AND PISTON GROUP--8 Required
Engine Serial No. 48W7685 to 48W9075 inclusive
PISTON & ROD GP
7N-3518 PISTON & ROD GP
7N3518 CONNECTING ROD AND PISTON GROUP--8 Required
Engine Serial No. 48W9076-Up
PULLEY GP
PULLEY GP
6N-5925 PULLEY GP
6N5925 PULLEY GROUP
VALVE MECHANISM GP
VALVE MECHANISM GP
4N-4298 VALVE MECHANISM GP
4N4298 VALVE MECHANISM GROUP
4N1718 Rocker Arm parts are shown on Pages 13 and 13B
ROCKER ARM GP
4N-1718 ROCKER ARM GP
4N1718 ROCKER ARM GROUP
Engine Serial No. 48W1 to 48W948 inclusive
Part of 4N4298 Valve Mechanism Group
ROCKER ARM GP
4N-1718 ROCKER ARM GP
4N1718 ROCKER ARM GROUP
Engine Serial No. 48W949 to 48W1143 inclusive
Part of 4N4298 Valve Mechanism Group shown on Page 13
ROCKER ARM GP
4N-1718 ROCKER ARM GP
4N1718 ROCKER ARM GROUP
Engine Serial No. 48W1144-Up
Part of 4N4298 Valve Mechanism Group shown on Page 13
COVER GP-VALVE MECHANISM
4N-9599 COVER GP-VALVE MECHANISM
4N9599 VALVE MECHANISM COVER GROUP--R.H. and L.H.

Information:

(For parts list, see above)

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