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A8115,0R9996,7N4784,7N4787,7N6118,1-2287-01ND,100211-0010,100211-0230,CAL40193AS|Caterpillar Ag. & Ind. D5C 1991-1993
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12001

DENSOAlternatorIR/EF12V40ACW Rotation

Fits Caterpillar, Caterpillar Ag. & Ind. Track Tractor, Caterpillar Ag. & Ind. Track Loader, Caterpillar Ag. & Ind. Tool Carrier and Caterpillar Ag. & Ind. Wheel Loader

5 interchanges37 applications8 components

Or call (405) 225-7220 · M–F 8–5 CT

Note:This is 40A Acording to Denso (Not 55A, as We Previously Thought).

Specifications

Full technical detail

Type
Alternator
Manufacturer
DENSO
Design
IR/EF
Voltage
12V
Amperage
40A
Rotation
CW
Pulley Design
V1
Pulley Groove OD
89

OEM part numbers

Genuine OEM & engine-manufacturer numbers this alternator replaces

Caterpillar
0R9996, 7N4784, 7N4787, 7N6118
Denso
021000-7360, 021000-8420, 100211-0010, 100211-0230

Vehicle applications

Fits 37 configurations

37 configurations
Domestic(37)
MakeModelEngineYears
Caterpillar9311975–1979
Caterpillar93132041975–1979
Caterpillar931 Trax Cavator1985–1990
Caterpillar931B32041979–1988
Caterpillar931B1979–1988
Caterpillar935B32041987–1988
Caterpillar935B1987–1988
Caterpillar951 Trax Cavator1985–1993
CaterpillarD332041979–1979
CaterpillarD31979–1979
CaterpillarD3B1979–1987
CaterpillarD3B32041979–1987
CaterpillarD4B1987–1989
CaterpillarD4B32041987–1989
CaterpillarD4C1987–1993
CaterpillarD4C32041987–1993
CaterpillarD5C1991–1993
CaterpillarD5C30461991–1993
CaterpillarIT121985–1991
Caterpillar Ag. & Ind. Tool Carrier(Tool Carrier)IT12Cat.1986–1989
Caterpillar Ag. & Ind. Track Loader(Track Loader)931 Trax CavatorPerkins 4-2361985–1990
Caterpillar Ag. & Ind. Track Loader(Track Loader)931BCat.1979–1988
Caterpillar Ag. & Ind. Track Loader(Track Loader)931C IICat.1989–1992
Caterpillar Ag. & Ind. Track Loader(Track Loader)935BCat.1987–1988
Caterpillar Ag. & Ind. Track Loader(Track Loader)935C IICat.1987–1994
Caterpillar Ag. & Ind. Track Loader(Track Loader)951 Trax CavatorCat.1985–1993
Caterpillar Ag. & Ind. Track Loader(Track Loader)931 Cat.1975–1979
Caterpillar Ag. & Ind. Track Tractor(Track Tractor)D3Cat. 32041979–1979
Caterpillar Ag. & Ind. Track Tractor(Track Tractor)D3BCat.1979–1987
Caterpillar Ag. & Ind. Track Tractor(Track Tractor)D3C IICat.1990–1993
Caterpillar Ag. & Ind. Track Tractor(Track Tractor)D3C LGPCat.1992–1996
Caterpillar Ag. & Ind. Track Tractor(Track Tractor)D4BCat.1987–1989
Caterpillar Ag. & Ind. Track Tractor(Track Tractor)D4CCat.1987–1993
Caterpillar Ag. & Ind. Track Tractor(Track Tractor)D4C IICat.1992–1999
Caterpillar Ag. & Ind. Track Tractor(Track Tractor)D4C LGPCat.1994–1996
Caterpillar Ag. & Ind. Track Tractor(Track Tractor)D5CCat.1991–1993
Caterpillar Ag. & Ind. Wheel Loader(Wheel Loader)910D3 Engine1979–1989

Component breakdown

Replacement parts that go inside this unit

ComponentPart numbers
Bearing, Ball5-3200 5-4700
Insulator, Alt9290-9005
Nut9500-1460
Plug Code9801-0
Rectifier & Brush Holder7790-4023
Regulator, Alt8090-4372
Rotor7090-698
Spring, Brush, Alt9440-4900