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CHARGING SYSTEMS
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DELCO · Alternator
AlternatorIR/EFDELCO

8020

PIC240-861C, 240-861B
Voltage
12V
Amperage
160A
Rotation
CW
5 interchanges218 applications24 components
Note:This is a 21SI ;160A 14.5 Vset Unit Which Originally Had an "R" Terminal, But No "I" Terminal. The 7685 Can Be Substituted and the Unused Terminal Ignored. 7685 (145A) ; 5/16" B+ ; 10-24 "R" Terminal ; 10-24 "I" Terminal ; 6 Avalanche Diodes. Amperage Depends on Pulley Diameter. See 240-861 for unit with 14.1 Vset. | This Unit is the Same as the 8022 and the 8023, Except This Unit Does Not Use Either an "R" Terminal or an "I" Terminal. The 8022 and 8023 Can Replace This Unit, as Can the 8021 and 7679 (Both 160A). If a 14.5V Set Point is Desired in This Unit (Rather Than the OE 14.1V), Rep.the Reg. W/ #8040-6253. The 7685 Can Be Substituted and the Terminals Ignored. 7685 (145A);14.1Vset; 5/16" B+; 10-24 "R" Terminal;10-24 "I" Terminal; 6 Avalanche Diodes.Amperage Depends on Pulley Diameter. See 240-861C for unit w/ 14.5 Vset.

Specifications

Full technical detail

Type
Alternator
Manufacturer
DELCO
Design
IR/EF
Voltage
12V
Amperage
160A
Rotation
CW
MFR Series
21SI
Pulley Design
WO/ PULLEY
Pulley Groove OD
0
Plug Code
151
Plug Clock
12:00

Vehicle applications

Fits 218 configurations

Domestic(218)
MakeModelEngineYears
Freightliner(Medium/Heavy Truck)Century ClassCaterpillar1996–1998
Freightliner(Medium/Heavy Truck)Century ClassL6 14.0L 14013cc 855cid1997–1998
Freightliner(Medium/Heavy Truck)Century ClassCaterpillar1996–1998
Freightliner(Medium/Heavy Truck)Century ClassL6 11.1L 11096cc 677cid1997–1998
Freightliner(Medium/Heavy Truck)Century ClassL6 10.8L 10834cc 661cid Cummins M111997–1998
Freightliner(Medium/Heavy Truck)Century ClassCummins L-101996–1998
Freightliner(Medium/Heavy Truck)Century ClassCaterpillar C-121996–1998
Freightliner(Medium/Heavy Truck)Century ClassCaterpillar C-101996–1998
Freightliner(Medium/Heavy Truck)Century ClassL6 12.7L 12686cc 774cid DD 60 Series1997–1997
Freightliner(Medium/Heavy Truck)ClassicCummins M111996–1998
Freightliner(Medium/Heavy Truck)ClassicCummins N141990–1998
Freightliner(Medium/Heavy Truck)ClassicCaterpillar1990–1998
Freightliner(Medium/Heavy Truck)ClassicCaterpillar C-121996–1998
Freightliner(Medium/Heavy Truck)ClassicCaterpillar1990–1993
Freightliner(Medium/Heavy Truck)Classic DD 60 Series1990–1998
Freightliner(Heavy Duty)FL90 Mercedes OM3661989–1993
Freightliner(Heavy Duty)FL90 Cummins 8.3L ISC1989–1993
Freightliner(Heavy Duty)FL90 Cummins 5.9L ISB1992–1993
Freightliner(Heavy Duty)FL 90 DD 50 Series1992–1993
Freightliner(Heavy Duty)FL, FLC112 / 120 DD 60 Series1989–1998
Freightliner(Heavy Duty)FL, FLC112 / 120 DD 8V-921989–1993
Freightliner(Heavy Duty)FL, FLC 112 /120 Cummins N141989–1997
Freightliner(Heavy Duty)FL, FLC 112 /120 Caterpillar C-121994–1997
Freightliner(Heavy Duty)FL, FLC 112 /120 Caterpillar C-101994–1997
Freightliner(Heavy Duty)FL, FLC 112 /120 Caterpillar1989–1997
Freightliner(Heavy Duty)FL, FLC 112 /120 Caterpillar1989–1997
Freightliner(Heavy Duty)FL, FLC 112 /120 Caterpillar1989–1997
Freightliner(Heavy Duty)FL, FLC 112 /120 Cummins L-101989–1997
Freightliner(Heavy Duty)FL, FLC 112 /120 Cummins M111994–1997
Freightliner(Heavy Duty)FL, FLC 112 /120 Cummins 8.3L ISC1989–1993
Freightliner(Medium/Heavy Truck)FL106L4 8.5L 8506cc 519cid1996–1998
Freightliner(Medium/Heavy Truck)FL50L6 7.2L 441cid1995–1997
Freightliner(Medium/Heavy Truck)FL50L6 8.3L 8268cc 504cid1995–1997
Freightliner(Medium/Heavy Truck)FL50L6 5.9L 359cid1995–1997
Freightliner(Medium/Heavy Truck)FL50L6 5.9L 5882cc 359cid1994–1994
Freightliner(Medium/Heavy Truck)FL60L6 7.2L 441cid1994–1997
Freightliner(Medium/Heavy Truck)FL60L6 5.9L 359cid1994–1997
Freightliner(Medium/Heavy Truck)FL60L6 8.3L 8268cc 504cid1994–1997
Freightliner(Medium/Heavy Truck)FL70L6 8.3L 8268cc 504cid1994–1997
Freightliner(Medium/Heavy Truck)FL70L6 5.9L 359cid1994–1997
Freightliner(Medium/Heavy Truck)FL70L6 7.2L 441cid1995–1997
Freightliner(Medium/Heavy Truck)FL70Caterpillar 31261994–1994
Freightliner(Medium/Heavy Truck)FL80L6 8.3L 8268cc 504cid1994–1997
Freightliner(Medium/Heavy Truck)FL80L6 5.9L 359cid1994–1997
Freightliner(Medium/Heavy Truck)FL80L6 7.2L 441cid1994–1997
Freightliner(Heavy Duty)FLD112 / 120 DD 60 Series1989–1998
Freightliner(Heavy Duty)FLD112 / 120 DD 8V-921989–1992
Freightliner(Heavy Duty)FLD 112 /120 Caterpillar1989–1997
Freightliner(Heavy Duty)FLD 112 /120 Caterpillar1989–1997
Freightliner(Heavy Duty)FLD 112 /120 Caterpillar1989–1997
Freightliner(Heavy Duty)FLD 112 /120 Cummins M111993–1997
Freightliner(Heavy Duty)FLD 112 /120 Cummins N141989–1997
Freightliner(Heavy Duty)FLD 112 /120 Cummins L-101989–1997
Freightliner(Heavy Duty)FLD 112 /120 Caterpillar C-121993–1997
Freightliner(Heavy Duty)FLD 112 /120 Caterpillar C-101993–1997
Freightliner(Heavy Duty)FLD 112 /120 Cummins 8.3L ISC1989–1992
Kenworth(Medium/Heavy Truck)C500 SeriesCaterpillar1991–1995
Kenworth(Medium/Heavy Truck)C500 SeriesCaterpillar1991–1995
Kenworth(Medium/Heavy Truck)C500 SeriesCaterpillar1991–1995
Kenworth(Medium/Heavy Truck)C500 SeriesCummins N141991–1994
Kenworth(Medium/Heavy Truck)C500 SeriesCummins M111993–1994
Kenworth(Medium/Heavy Truck)C500 Series DD 60 Series1991–1995
Kenworth(Medium/Heavy Truck)K100 SeriesCummins M111993–1995
Kenworth(Medium/Heavy Truck)K100 SeriesCaterpillar1991–1995
Kenworth(Medium/Heavy Truck)K100 SeriesCaterpillar1991–1995
Kenworth(Medium/Heavy Truck)K100 SeriesCaterpillar1991–1995
Kenworth(Medium/Heavy Truck)K100 SeriesCummins N141991–1995
Kenworth(Medium/Heavy Truck)K100 Series DD 60 Series1991–1994
Kenworth(Medium/Heavy Truck)K300L6 8.3L 8268cc 504cid1994–1995
Kenworth(Medium/Heavy Truck)T300L6 7.2L 441cid1995–1995
Kenworth(Medium/Heavy Truck)T300L6 8.3L 8268cc 504cid1995–1995
Kenworth(Medium/Heavy Truck)T400 SeriesCaterpillar1991–1996
Kenworth(Medium/Heavy Truck)T400 SeriesCaterpillar1991–1996
Kenworth(Medium/Heavy Truck)T400 SeriesCummins M111993–1996
Kenworth(Medium/Heavy Truck)T450 SeriesCaterpillar1991–1996
Kenworth(Medium/Heavy Truck)T450 SeriesCummins M111993–1996
Kenworth(Medium/Heavy Truck)T450 SeriesCaterpillar1991–1996
Kenworth(Medium/Heavy Truck)T600 SeriesCummins M111993–1995
Kenworth(Medium/Heavy Truck)T600 SeriesCummins N141990–1995
Kenworth(Medium/Heavy Truck)T600 SeriesCaterpillar1991–1995
Kenworth(Medium/Heavy Truck)T600 SeriesCaterpillar1991–1995
Kenworth(Medium/Heavy Truck)T600 SeriesCaterpillar1991–1995
Kenworth(Medium/Heavy Truck)T600 SeriesCummins L-101993–1995
Kenworth(Medium/Heavy Truck)T600 Series DD 60 Series1988–1995
Kenworth(Medium/Heavy Truck)T800 SeriesCummins M111993–1995
Kenworth(Medium/Heavy Truck)T800 SeriesCummins N141990–1995
Kenworth(Medium/Heavy Truck)T800 SeriesCaterpillar1991–1995
Kenworth(Medium/Heavy Truck)T800 SeriesCaterpillar1991–1995
Kenworth(Medium/Heavy Truck)T800 SeriesCaterpillar1991–1995
Kenworth(Medium/Heavy Truck)T800 SeriesCummins L-101993–1995
Kenworth(Medium/Heavy Truck)T800 Series DD 60 Series1988–1995
Kenworth(Medium/Heavy Truck)W900 SeriesCaterpillar1991–1995
Kenworth(Medium/Heavy Truck)W900 SeriesCummins N141990–1995
Kenworth(Medium/Heavy Truck)W900 SeriesCaterpillar1991–1995
Kenworth(Medium/Heavy Truck)W900 SeriesCaterpillar1991–1995
Kenworth(Medium/Heavy Truck)W900 SeriesCummins M111993–1995
Kenworth(Medium/Heavy Truck)W900 Series DD 60 Series1990–1995
Mack(Heavy Duty)CH SeriesMack Engines1988–1998
Mack(Heavy Duty)CL SeriesMack Engines1990–1998
Mack(Heavy Duty)CM SeriesMack E5 / EC51986–1989
Mack(Heavy Duty)CS Series (Midliner)Mack Engines1990–1999
Mack(Heavy Duty)DM / DMM SeriesMack Engines1986–1998
Mack(Heavy Duty)F / FL / FS SeriesMack Engines1986–1988
Mack(Heavy Duty)F / FL / FS SeriesCummins Super 2501986–1988
Mack(Heavy Duty)F / FL / FS SeriesCummins NTA / NTC1986–1988
Mack(Heavy Duty)F / FL / FS SeriesCummins V-9031986–1988
Mack(Heavy Duty)F / FL / FS Series DD 8V-71 (T)1986–1988
Mack(Heavy Duty)FDM SeriesMack Engines1988–1998
Mack(Heavy Duty)MC SeriesMack Engines1986–1994
Mack(Heavy Duty)MH SeriesMack Engines1986–1994
Mack(Heavy Duty)MH SeriesCaterpillar1986–1989
Mack(Heavy Duty)MH SeriesCummins L-101986–1989
Mack(Heavy Duty)MH SeriesCummins N / NT1986–1989
Mack(Heavy Duty)MR SeriesMack Engines1986–1998
Mack(Heavy Duty)R SeriesMack Engines1986–1990
Mack(Heavy Duty)R SeriesCummins N / NH / NT1986–1990
Mack(Heavy Duty)R Series DD 8V-921986–1990
Mack(Heavy Duty)RB SeriesMack Engines1988–1998
Mack(Heavy Duty)RD SeriesMack Engines1986–1998
Mack(Heavy Duty)RL SeriesMack Engines1986–1990
Mack(Heavy Duty)RM SeriesMack Engines1986–1994
Mack(Heavy Duty)RS SeriesMack Engines1986–1990
Mack(Heavy Duty)RW SeriesMack Engines1986–1994
Mack(Heavy Duty)RW SeriesCummins N / NT1986–1990
Peterbilt(Heavy Duty)320 ModelsCummins 8.3L ISC1991–1997
Peterbilt(Heavy Duty)320 ModelsCummins L-101991–1997
Peterbilt(Heavy Duty)320 ModelsCaterpillar C-101997–1997
Peterbilt(Heavy Duty)320 ModelsCaterpillar1991–1995
Peterbilt(Heavy Duty)320 ModelsCaterpillar 31261995–1995
Peterbilt(Heavy Duty)320 ModelsCummins M111993–1995
Peterbilt(Heavy Duty)330 ModelsCaterpillar C-101996–1997
Peterbilt(Heavy Duty)357 ModelsCummins N141991–1997
Peterbilt(Heavy Duty)357 ModelsCaterpillar C-101997–1997
Peterbilt(Heavy Duty)357 ModelsCaterpillar C-121997–1997
Peterbilt(Heavy Duty)357 ModelsCummins 8.3L ISC1991–1997
Peterbilt(Heavy Duty)357 ModelsCaterpillar1991–1995
Peterbilt(Heavy Duty)357 ModelsCaterpillar1991–1995
Peterbilt(Heavy Duty)357 ModelsCummins M111993–1995
Peterbilt(Heavy Duty)357 ModelsCaterpillar 31261995–1995
Peterbilt(Heavy Duty)357 ModelsCaterpillar1991–1995
Peterbilt(Heavy Duty)357 ModelsCummins L-101991–1994
Peterbilt(Heavy Duty)357 Models DD 60 Series1991–1995
Peterbilt(Heavy Duty)357 Models DD 6V-711991–1993
Peterbilt(Heavy Duty)359 SeriesCummins N141991–1997
Peterbilt(Heavy Duty)359 SeriesCaterpillar1991–1995
Peterbilt(Heavy Duty)359 SeriesCaterpillar1991–1995
Peterbilt(Heavy Duty)359 SeriesCaterpillar1991–1995
Peterbilt(Heavy Duty)362 ModelsCummins N141991–1997
Peterbilt(Heavy Duty)362 ModelsCaterpillar1991–1995
Peterbilt(Heavy Duty)362 ModelsCaterpillar 31261995–1995
Peterbilt(Heavy Duty)362 ModelsCaterpillar 33061995–1995
Peterbilt(Heavy Duty)362 ModelsCaterpillar1991–1995
Peterbilt(Heavy Duty)362 ModelsCummins M111993–1995
Peterbilt(Heavy Duty)362 ModelsCummins L-101991–1994
Peterbilt(Heavy Duty)362 Models DD 60 Series1991–1995
Peterbilt(Heavy Duty)362 Models DD 6V-711991–1993
Peterbilt(Heavy Duty)372 SeriesCaterpillar1991–1995
Peterbilt(Heavy Duty)372 SeriesCaterpillar1991–1995
Peterbilt(Heavy Duty)372 SeriesCummins N141991–1995
Peterbilt(Heavy Duty)372 Series DD 60 Series1991–1995
Peterbilt(Heavy Duty)372 Series DD 6V-711991–1993
Peterbilt(Heavy Duty)375 SeriesCaterpillar C-101997–1997
Peterbilt(Heavy Duty)375 SeriesCaterpillar C-121997–1997
Peterbilt(Heavy Duty)375 SeriesCummins 8.3L ISC1991–1997
Peterbilt(Heavy Duty)375 SeriesCummins N141991–1997
Peterbilt(Heavy Duty)375 SeriesCummins M111993–1995
Peterbilt(Heavy Duty)375 SeriesCaterpillar1991–1995
Peterbilt(Heavy Duty)375 SeriesCaterpillar1991–1995
Peterbilt(Heavy Duty)375 SeriesCummins L-101991–1993
Peterbilt(Heavy Duty)375 Series DD 60 Series1993–1995
Peterbilt(Heavy Duty)377 ModelsCummins N141991–1997
Peterbilt(Heavy Duty)377 ModelsCaterpillar C-101997–1997
Peterbilt(Heavy Duty)377 ModelsCaterpillar C-121997–1997
Peterbilt(Heavy Duty)377 ModelsCaterpillar1991–1995
Peterbilt(Heavy Duty)377 ModelsCaterpillar1991–1995
Peterbilt(Heavy Duty)377 ModelsCummins M111993–1995
Peterbilt(Heavy Duty)377 ModelsCaterpillar1991–1995
Peterbilt(Heavy Duty)377 ModelsCummins L-101991–1993
Peterbilt(Heavy Duty)377 Models DD 60 Series1991–1995
Peterbilt(Heavy Duty)377 Models DD 6V-711991–1993
Peterbilt(Heavy Duty)378 ModelsCaterpillar C-101997–1997
Peterbilt(Heavy Duty)378 ModelsCummins N141991–1997
Peterbilt(Heavy Duty)378 ModelsCaterpillar C-121997–1997
Peterbilt(Heavy Duty)378 ModelsCaterpillar1991–1995
Peterbilt(Heavy Duty)378 ModelsCaterpillar1991–1995
Peterbilt(Heavy Duty)378 ModelsCaterpillar1991–1995
Peterbilt(Heavy Duty)378 ModelsCummins M111993–1995
Peterbilt(Heavy Duty)378 ModelsCummins L-101991–1993
Peterbilt(Heavy Duty)378 Models DD 60 Series1991–1995
Peterbilt(Heavy Duty)378 Models DD 6V-711991–1993
Peterbilt(Heavy Duty)379 ModelsCaterpillar C-101997–1997
Peterbilt(Heavy Duty)379 ModelsCummins 8.3L ISC1995–1997
Peterbilt(Heavy Duty)379 ModelsCummins N141991–1997
Peterbilt(Heavy Duty)379 ModelsCaterpillar C-121997–1997
Peterbilt(Heavy Duty)379 ModelsCummins M111993–1995
Peterbilt(Heavy Duty)379 ModelsCaterpillar1991–1995
Peterbilt(Heavy Duty)379 ModelsCaterpillar1991–1995
Peterbilt(Heavy Duty)379 ModelsCaterpillar1991–1995
Peterbilt(Heavy Duty)379 ModelsCummins L-101991–1993
Peterbilt(Heavy Duty)379 Models DD 60 Series1991–1995
Peterbilt(Heavy Duty)379 Models DD 6V-711991–1993
Peterbilt(Heavy Duty)385 ModelsCaterpillar C-101997–1997
Peterbilt(Heavy Duty)385 ModelsCaterpillar C-121997–1997
Peterbilt(Heavy Duty)385 ModelsCummins N141996–1997
Volvo(Medium/Heavy Truck)ACL42 / ACL64 SeriesCaterpillar1994–1996
Volvo(Medium/Heavy Truck)All Models (By Engine) Various Engines1989–1993
Volvo(Medium/Heavy Truck)VNL SeriesCaterpillar1994–1996
Volvo(Medium/Heavy Truck)WA / WC / WG / WH / WI / WX SeriesCaterpillar1994–1996
Volvo(Medium/Heavy Truck)WA / WC / WG / WH / WI / WX SeriesCummins L-101990–1996
Volvo(Medium/Heavy Truck)WA / WC / WG / WH / WI / WX SeriesCummins M111994–1996
Volvo(Medium/Heavy Truck)WA / WC / WG / WH / WI / WX SeriesCummins N141994–1996
Volvo(Medium/Heavy Truck)WA / WC / WG / WH / WI / WX SeriesVolvo VED 121996–1996
Western Star(Hd Heavy Duty)All Models (By Engine)Caterpillar1989–1997
Western Star(Hd Heavy Duty)All Models (By Engine)Cummins M111994–1996
Western Star(Hd Heavy Duty)All Models (By Engine)Caterpillar1989–1996
Western Star(Hd Heavy Duty)All Models (By Engine)Cummins L-101989–1996
Western Star(Hd Heavy Duty)All Models (By Engine)Cummins N141989–1996
Western Star(Hd Heavy Duty)All Models (By Engine) DD 60 Series1989–1995

Component breakdown

Replacement parts that go inside this unit

ComponentPart numbers
Bearing, Ball5-6200
Brush Holder Assy, Alt7440-4604
Brush Set7340-205B
Brush, Alt7340-205
Cap, Alt9140-4700
Capacitor8640-402
Connector, Alt9940-4604
Diode Trio7740-104
Fan, Alt7840-400
Frame, DE, Alt7640-4129
Frame, SRE, Alt7540-4123
Nut9500-1116 9500-1302
Plug Code9801-151
Rectifier7740-1120
Regulator, Alt8040-6250
Retainer, Bearing, Alt8540-4102
Rotor7040-2988
Screw9640-4008 9640-4048 9640-4056 9640-4060 9640-4070 9640-4010
Stator7240-6158
Terminal Kit, Batt, Alt9640-4632
Terminal Kit, Relay, Alt9640-4634
Test Lead, Alt9800-1W
Thru Bolt9640-4109
Washer, Plain9740-4050