// IMG 1 OF 10DELCO 21SI

Specifications

Output70
Voltage24
TypeAlternator
DesignIR/EF
RotationBI
ManufacturerDELCO
Series21SI
PulleyWO/ PULLEY
Pulley groove OD0
Plug code151
Plug clock12
Lester number8003
PIC code240-866, 240-866A
NotesThis is the Same as the 240-866A, Except This Unit Uses the Earlier Rotor Shaft. This is the 70A Version of the 24 Volt 21SI Using 4mm "R" and "I" Terminals, ; w/ anti-feedback Diode, Which Can Be Used to Replace the 50A Version of the Same Unit. Same w/o Anti-feedback Diode ( European Apps.) see 240-865E | This is the Same as the 240-866, Except This Unit Uses the Later Rotor Shaft and the Larger Rear Bearing. This is the 70A Version of the 24 Volt 21SI Using 4mm "R" and "I" Terminals, ; w/ anti-feedback Diode, Which Can Be Used to Replace the 50A Version of the Same Unit. Same w/o Anti-feedback Diode ( European Apps.) see 240-865E

Confirmed fitment

Verified applications from the ePartsGlobal catalog. If your engine isn't listed, send us the OEM part number and we'll cross-reference it.

MakeModelEngineYearsApplication
Consolidated Diesel Engine Heavy Duty6C8.3L1992–1992Engine Heavy Duty · domestic
Consolidated Diesel Medium/Heavy Duty Engine4B3.9L1992–1992Medium/Heavy Duty Engine · domestic
Consolidated Diesel Medium/Heavy Duty Engine6B5.9L1992–1992Medium/Heavy Duty Engine · domestic
Cummins Engines Engine Medium DutyK Series—1991–1992Engine Medium Duty · domestic
Timberjack Forestry - Feller Buncher—2618 Cummins 8.3L Diesel1995–1995Forestry - Feller Buncher · domestic
Timberjack Forestry - Feller Buncher2618L6 8.3L 504cid Cummins 6CT1995–1995Forestry - Feller Buncher · domestic
Timberjack Forestry - Feller Buncher—2628 Cummins 8.3L Diesel1995–1995Forestry - Feller Buncher · domestic
Timberjack Forestry - Feller Buncher2628L6 8.3L 504cid Cummins 6CT1995–1995Forestry - Feller Buncher · domestic
Timberjack Forestry - Feller Buncher—618 Cummins 8.3L Diesel1995–1995Forestry - Feller Buncher · domestic
Timberjack Forestry - Feller Buncher618L6 8.3L 504cid Cummins 6CT1995–1995Forestry - Feller Buncher · domestic
Timberjack Forestry - Feller Buncher—628 Cummins 8.3L Diesel1995–1995Forestry - Feller Buncher · domestic
Timberjack Forestry - Feller Buncher628L6 8.3L 504cid Cummins 6CT1995–1995Forestry - Feller Buncher · domestic
Timberjack Forestry - Tree Harvester—608 Cummins 5.9L Diesel1995–1995Forestry - Tree Harvester · domestic
Timberjack Forestry - Tree Harvester608L6 5.9L 359cid Cummins 6B1995–1995Forestry - Tree Harvester · domestic
Timberjack Harvester608 Harvester—1995–1995Harvester · domestic
Volvo Crawler ExcavatorEC140Cummins B3-9C1995–1995Crawler Excavator · domestic
Volvo Crawler ExcavatorEC140L4 3.9L 239cid Cummins 4BTA3.91995–1995Crawler Excavator · domestic
Volvo Crawler ExcavatorEC210Cummins B5-9C—Crawler Excavator · domestic
Volvo Crawler ExcavatorEC210L6 5.9L 359cid Cummins B5.92000–2009Crawler Excavator · domestic
Volvo Crawler ExcavatorEC240Cummins C8-3C—Crawler Excavator · domestic
Volvo Crawler ExcavatorEC240L6 8.3L 504cid Cummins C8.32000–2001Crawler Excavator · domestic
Volvo Crawler ExcavatorEC290Cummins C8-3C—Crawler Excavator · domestic
Volvo Crawler ExcavatorEC290L6 8.3L 504cid Cummins C8.31999–2001Crawler Excavator · domestic
Volvo Crawler ExcavatorEC360Cummins M11C—Crawler Excavator · domestic
Volvo Crawler ExcavatorEC360L6 10.8L 661cid Cummins M112000–2001Crawler Excavator · domestic
Volvo Crawler ExcavatorEC460Cummins M11C—Crawler Excavator · domestic
Volvo Crawler ExcavatorEC460L6 10.8L 661cid Cummins M112000–2001Crawler Excavator · domestic
Samsung Crawler ExcavatorSE130Cummins 3.9 Dsl1992–1998Crawler Excavator · domestic
Samsung Crawler ExcavatorSE130L4 3.9L 239cid Cummins 4BTA3.91992–1998Crawler Excavator · domestic
Samsung Crawler ExcavatorSE170Cummins 5.9 Dsl1992–1998Crawler Excavator · domestic
Samsung Crawler ExcavatorSE170L6 5.9L 359cid Cummins B5.91992–1998Crawler Excavator · domestic
Samsung Crawler ExcavatorSE210Cummins 5.9 Dsl1992–1998Crawler Excavator · domestic
Samsung Crawler ExcavatorSE210L6 5.9L 359cid Cummins B5.91992–1998Crawler Excavator · domestic
Samsung Crawler ExcavatorSE240Cummins 8.3 Dsl1992–1998Crawler Excavator · domestic
Samsung Crawler ExcavatorSE240L6 8.3L 504cid Cummins C8.31992–1998Crawler Excavator · domestic
Samsung Crawler ExcavatorSE280Cummins 8.3 Dsl1992–1998Crawler Excavator · domestic
Samsung Crawler ExcavatorSE280L6 8.3L 504cid Cummins C8.31992–1998Crawler Excavator · domestic
Samsung Crawler ExcavatorSE350Cummins L-101992–1993Crawler Excavator · domestic
Samsung Crawler ExcavatorSE350Cummins M111994–1998Crawler Excavator · domestic
Samsung Crawler ExcavatorSE350L6 10.0L 10014cc 611cid Cummins L101992–1993Crawler Excavator · domestic
Samsung Crawler ExcavatorSE350L6 10.8L 661cid Cummins M111994–1998Crawler Excavator · domestic
Samsung Crawler ExcavatorSE450Cummins M111992–1998Crawler Excavator · domestic
Samsung Crawler ExcavatorSE450L6 10.8L 661cid Cummins M111992–1998Crawler Excavator · domestic

Cross-reference

OEM and aftermarket part numbers that interchange with this unit, from the ePartsGlobal catalog.

WAI New8003N
Cummins3675174RX
Delco10461235, 1117900
Doosan22178115
Dresser Engine Mfr1305787H91
John DeereF054034
Komatsu1305787H91, 1307203H1, ALT1023
Komatsu RemanufacturedALT1023, R1316278H91
Lester8003
Lucas ElektrikLEA0267
New Tech HON8003HO
Power ProductsAR-21-010H
Prestolite110-446
Delco10461235, 19010111, 19010182