Alternator for Allis Chalmers, Caterpillar 685, 6138 AG & IND 400-12270
Alternator for Allis Chalmers, Caterpillar 685, 6138 AG & IND 400-12270
Alternator for Allis Chalmers, Caterpillar 685, 6138 AG & IND 400-12270
Alternator for Allis Chalmers, Caterpillar 685, 6138 AG & IND 400-12270
Alternator for Allis Chalmers, Caterpillar 685, 6138 AG & IND 400-12270
Alternator for Allis Chalmers, Caterpillar 685, 6138 AG & IND 400-12270
Alternator for Allis Chalmers, Caterpillar 685, 6138 AG & IND 400-12270

Alternator for Allis Chalmers, Caterpillar 685, 6138 AG & IND 400-12270

Item #: 400-12270

30-DAY RETURN POLICY

If your order arrives and it’s not exactly what you want, you may return it within 30 days for a refund. We know that people sometimes order a part and then discover it’s not exactly the one they need for the repair. We understand and want to work with you. Just make sure the item is in its original packaging and in good condition free of damage.

When a returned product comes back to us, we’ll check it over to make sure it’s in ‘Like New’ condition and free from damage such as dents, scratches, cracks, abuse, defacement or indication of removed screws/fasteners or seals. Return processing may take up to 5 business days from the time your product is received by DB Electrical.

To return a product, simply click here to start the process.

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DB Electrical alternators are highly engineered for excellence in performance.
  • Built to Beat the Heat: High temperature epoxy and high temperature grease withstand extreme heat
  • Heavy-duty rectifiers and high-quality regulators enhance superior charging performance
  • Most alternators are supplied with final test results and performance curve
  • Direct-fit replacement and easy installation made possible with OEM fitment specifications
  • Factory direct, money-saving alternator typically priced substantially less than OEM counterparts
Check if this fits your vehicle
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  • Product Info
  • Applications List
  • Part Replacement List
  • Policy Information
  • Reviews

Overview

DB Electrical Alternators
DB Electrical keeps vehicles of every shape and size moving forward – from mowers, motorcycles and ATVs to automobiles, tractors, pickups and large commercial trucks. We work directly with factories to ensure each component is manufactured to our exacting quality control standards. But because there is no middleman, we can offer these exceptional-quality electrical components at low factory direct prices.

With DB Electrical alternators, you’ll get …

  • Superior Quality Every Time – Our aftermarket alternators deliver performance that’s equivalent to the original.
  • Direct-Fit OEM Replacement Parts – DB Electrical aftermarket alternators are designed for perfect fitment to replace the ones that originally came with your vehicle.
  • Engineer-Tested Excellence – Our alternators go through a rigorous testing program to ensure optimal performance. Most alternators are supplied with their final test results and performance curve.

Reasons to choose DB Electrical for your next alternator:

  • Built to Take the Heat – Most DB Electrical alternators offer high-temperature epoxy, heavy-duty rectifiers, high-quality regulators, top-quality bearings and high-temperature grease for better charging and longer life under high-heat environments.
  • Depth of Inventory – Find both common and hard-to-find alternators for virtually any type of vehicle to travel over road, trail or water.
  • Brand New Alternator – Never settle for a secondhand one. Many places will try to sell you a used alternator for about the price we’ll sell you a new one.

The DB Electrical Advantage – 1-Year Warranty
DB Electrical delivers exceptional value for products that we stand behind with our total-confidence 1-year warranty. Yes, you have a full year to make sure your alternator meets your expectations.

Item Number: 400-12270

100% Brand New Aftermarket Part From DB Electrical

Product Specs

Item ConditionAftermarket Part
Unit TypeAlternator
Voltage24
Amperage45
RegulatorIR
FitsINDUSTRIAL APPLICATIONS

Applications List

Select Make & Type
MAKE TYPE MODEL YEAR ENGINE
CaterpillarExcavator231D19933208
CaterpillarEngine - Marine32081995636cu in 10.4L 8 cyl
CaterpillarEngine - Marine33061997638cu in 10.5L 6 cyl
CaterpillarEngine - Marine34061995893cu in 14.6L 6 cyl
CaterpillarEngine - Marine340819971099cu in 18.0L 8 cyl
CaterpillarEngine - Marine341219971649cu in 27.0L 12 cyl
CaterpillarEngine - Marine350819932105cu in 34.5L 8 cyl
CaterpillarEngine - Marine351219933158cu in 51.8L 12 cyl
CaterpillarEngine - Marine351619934210cu in 69.0L 16 cyl
CaterpillarTruck78419933512
CaterpillarTruck78519933512
CaterpillarTruck78919933516
CaterpillarTractorD8L19923408
ChampionGrader71019775.9
ChampionGrader71019785.9
ChampionGrader71019795.9
ChampionGrader71019805.9
ChampionGrader71019815.9
ChampionGrader71019825.9
ChampionGrader71019835.9
ChampionGrader71019845.9
ChampionGrader71019855.9
ChampionGrader71019865.9
ChampionGrader71019875.9
ChampionGrader71019885.9
ChampionGrader71019895.9
ChampionGrader71019905.9
ChampionGrader71019915.9
ChampionGrader710A19775.9
ChampionGrader710A19785.9
ChampionGrader710A19795.9
ChampionGrader710A19805.9
ChampionGrader710A19815.9
ChampionGrader710A19825.9
ChampionGrader710A19835.9
ChampionGrader710A19845.9
ChampionGrader710A19855.9
ChampionGrader710A19865.9
ChampionGrader710A19875.9
ChampionGrader710A19885.9
ChampionGrader710A19895.9
ChampionGrader710A19905.9
ChampionGrader710A19915.9
ChampionGrader710A19925.9
ChampionGrader710A19935.9
ChampionGrader716A19925.9
ChampionGrader716A19935.9
ChampionGrader7201975Jun-71
ChampionGrader7201976Jun-71
ChampionGrader7201977Jun-71
ChampionGrader7201978Jun-71
ChampionGrader7201979Jun-71
ChampionGrader7201980Jun-71
ChampionGrader7201981Jun-71
ChampionGrader7201982Jun-71
ChampionGrader7201983Jun-71
ChampionGrader7201984Jun-71
ChampionGrader7201985Jun-71
ChampionGrader7201986Jun-71
ChampionGrader7201987Jun-71
ChampionGrader7201988Jun-71
ChampionGrader72019898.3
ChampionGrader72019908.3
ChampionGrader72019918.3
ChampionGrader72019928.3
ChampionGrader72019938.3
ChampionGrader720A1983Apr-71
ChampionGrader720A1984Apr-71
ChampionGrader720A1985Apr-71
ChampionGrader720A1986Apr-71
ChampionGrader720A1987Apr-71
ChampionGrader720A1988Apr-71
ChampionGrader720A19898.3
ChampionGrader720A1989Apr-71
ChampionGrader720A19908.3
ChampionGrader720A1990Apr-71
ChampionGrader720A19918.3
ChampionGrader720A1991Apr-71
ChampionGrader720A19928.3
ChampionGrader720A19938.3
ChampionGrader726A19928.3
ChampionGrader726A19938.3
ChampionGrader73019858.3
ChampionGrader73019868.3
ChampionGrader73019878.3
ChampionGrader73019888.3
ChampionGrader73019898.3
ChampionGrader73019908.3
ChampionGrader73019918.3
ChampionGrader73019928.3
ChampionGrader73019938.3
ChampionGrader730A19858.3
ChampionGrader730A19868.3
ChampionGrader730A19878.3
ChampionGrader730A19888.3
ChampionGrader730A19898.3
ChampionGrader730A19908.3
ChampionGrader730A19918.3
ChampionGrader730A19928.3
ChampionGrader730A19938.3
ChampionGrader736A19928.3
ChampionGrader736A19938.3
ChampionGrader7401975Jun-71
ChampionGrader7401975N-855C
ChampionGrader7401976Jun-71
ChampionGrader7401976N-855C
ChampionGrader7401977Jun-71
ChampionGrader7401977N-855C
ChampionGrader7401978Jun-71
ChampionGrader7401978N-855C
ChampionGrader7401979Jun-71
ChampionGrader7401979N-855C
ChampionGrader7401980Jun-71
ChampionGrader7401980N-855C
ChampionGrader7401981Jun-71
ChampionGrader7401981N-855C
ChampionGrader7401982Jun-71
ChampionGrader7401982N-855C
ChampionGrader7401983Jun-71
ChampionGrader7401983N-855C
ChampionGrader7401984Jun-71
ChampionGrader7401984N-855C
ChampionGrader7401985Jun-71
ChampionGrader7401985N-855C
ChampionGrader7401986Jun-71
ChampionGrader7401987Jun-71
ChampionGrader7401988Jun-71
ChampionGrader7401989Jun-71
ChampionGrader7401990Jun-71
ChampionGrader7401991Jun-71
ChampionGrader740A1991L-10
ChampionGrader740A1991M11
ChampionGrader740A1992L-10
ChampionGrader740A1992M11
ChampionGrader740A1993L-10
ChampionGrader740A1993M11
ChampionGrader7501987L-10
ChampionGrader7501988L-10
ChampionGrader7501989L-10
ChampionGrader7501990L-10
ChampionGrader7501991L-10
ChampionGrader7501992L-10
ChampionGrader7501993L-10
ChampionGrader750A1987L-10
ChampionGrader750A1988L-10
ChampionGrader750A1989L-10
ChampionGrader750A1990L-10
ChampionGrader750A1991L-10
ChampionGrader750A1992L-10
ChampionGrader750A1993L-10
ChampionGrader7601975N-855C
ChampionGrader7601976N-855C
ChampionGrader7601977N-855C
ChampionGrader7601978N-855C
ChampionGrader7601979N-855C
ChampionGrader7601980N-855C
ChampionGrader7601981N-855C
ChampionGrader7601982N-855C
ChampionGrader7601983N-855C
ChampionGrader7601984N-855C
ChampionGrader7601985L-10
ChampionGrader7601985N-855C
ChampionGrader7601986L-10
ChampionGrader7601987L-10
ChampionGrader7601988L-10
ChampionGrader7601989L-10
ChampionGrader7601990L-10
ChampionGrader7601991L-10
ChampionGrader7801985L-10
ChampionGrader7801986L-10
ChampionGrader7801987L-10
ChampionGrader7801988L-10
ChampionGrader7801989L-10
ChampionGrader7801990L-10
ChampionGrader7801991L-10
ChampionGrader780A1986L-10
ChampionGrader780A1987L-10
ChampionGrader780A1988L-10
ChampionGrader780A1989L-10
ChampionGrader780A1990L-10
ChampionGrader780A1991L-10
ChampionGrader780A1992L-10
ChampionGrader780A1993L-10
CumminsEngine - Industrial855 Series198310.0L
CumminsEngine855 Series198310L
CumminsEngine - Industrial855 Series198314.0L
CumminsEngine855 Series198314L
CumminsEngine - Industrial855 Series198410.0L
CumminsEngine855 Series198410L
CumminsEngine - Industrial855 Series198414.0L
CumminsEngine855 Series198414L
CumminsEngine - Industrial855 Series198510.0L
CumminsEngine855 Series198510L
CumminsEngine - Industrial855 Series198514.0L
CumminsEngine855 Series198514L
CumminsEngine - IndustrialB Series1980
CumminsEngine - IndustrialB Series1981
CumminsEngine - IndustrialB Series1982
CumminsEngine - IndustrialB Series1983
CumminsEngine - IndustrialB Series1984
CumminsEngine - IndustrialB Series1985
CumminsEngine - IndustrialB Series1986
CumminsEngine - IndustrialB Series1987
CumminsEngine - IndustrialB Series1988
CumminsEngine - IndustrialC Series1980
CumminsEngine - IndustrialC Series1981
CumminsEngine - IndustrialC Series1982
CumminsEngine - IndustrialC Series1983
CumminsEngine - IndustrialC Series1984
CumminsEngine - IndustrialC Series1985
CumminsEngine - IndustrialC Series1986
CumminsEngine - IndustrialC Series1987
CumminsEngine - IndustrialC Series1988
CumminsEngine - IndustrialL Series198310.0L
CumminsEngineL Series198310L
CumminsEngine - IndustrialL Series198314.0L
CumminsEngineL Series198314L
CumminsEngine - IndustrialL Series198410.0L
CumminsEngineL Series198410L
CumminsEngine - IndustrialL Series198414.0L
CumminsEngineL Series198414L
CumminsEngine - IndustrialL Series198510.0L
CumminsEngineL Series198510L
CumminsEngine - IndustrialL Series198514.0L
CumminsEngineL Series198514L
CumminsEngine - IndustrialL Series198610.0L
CumminsEngineL Series198610L
CumminsEngine - IndustrialL Series198614.0L
CumminsEngineL Series198614L
CumminsEngine - IndustrialL Series198710.0L
CumminsEngineL Series198710L
CumminsEngine - IndustrialL Series198714.0L
CumminsEngineL Series198714L
CumminsEngine - IndustrialL Series198810.0L
CumminsEngineL Series198810L
CumminsEngine - IndustrialL Series198814.0L
CumminsEngineL Series198814L
CumminsEngine - IndustrialL Series198910.0L
CumminsEngineL Series198910L
CumminsEngine - IndustrialL Series198914.0L
CumminsEngineL Series198914L
CumminsEngine - IndustrialL Series199010.0L
CumminsEngineL Series199010L
CumminsEngine - IndustrialL Series199014.0L
CumminsEngineL Series199014L
CumminsEngine - IndustrialL Series199110.0L
CumminsEngineL Series199110L
CumminsEngine - IndustrialL Series199114.0L
CumminsEngineL Series199114L
CumminsEngine - IndustrialL Series199214.0L
CumminsEngineL Series199214L
CumminsEngine - IndustrialL Series199314.0L
CumminsEngineL Series199314L
CumminsEngineV Series19836.2L
CumminsEngine - IndustrialV Series19836.2L / 8.3L / 9.1L
CumminsEngineV Series19838.3L
CumminsEngineV Series19839.1L
CumminsEngineV Series19846.2L
CumminsEngine - IndustrialV Series19846.2L / 8.3L / 9.1L
CumminsEngineV Series19848.3L
CumminsEngineV Series19849.1L
CumminsEngineV Series19856.2L
CumminsEngine - IndustrialV Series19856.2L / 8.3L / 9.1L
CumminsEngineV Series19858.3L
CumminsEngineV Series19859.1L
Fiat-AllisCrawler10C19938365.0 Diesel
Fiat-AllisTractor Scraper260B198525000.0 Diesel
Fiat-AllisTractor Scraper261B198525000.0 Diesel
Fiat-AllisGrader65B19958065.0 Diesel
Fiat-AllisLoader74519798215.0 Diesel
Fiat-AllisCrawlerFD-10C19858365.0 Diesel
Fiat-AllisCrawlerFD-2019958215.0 Diesel
Fiat-AllisCrawlerFD-3019938285.0 Diesel
Fiat-AllisCrawlerFD-519958045.0 Diesel
Fiat-AllisCrawlerFD-719958065.0 Diesel
Fiat-AllisCrawlerFD-919958065.0 Diesel
Fiat-AllisGraderFG-7519958365.0 Diesel
Fiat-AllisGraderFG-8519958365.0 Diesel
Fiat-AllisGraderFG-9519958365.0 Diesel
Fiat-AllisLoaderFL-10C19898365.0 Diesel
Fiat-AllisCrawler LoaderFL-2019808205.0 Diesel
Fiat-AllisCrawler LoaderFL-2019958215.0 Diesel
Fiat-AllisCrawler LoaderFL-919868065.0 Diesel
Fiat-AllisLoaderFR-1019858065.0 Diesel
Fiat-AllisLoaderFR-1519868365.0 Diesel
Fiat-AllisLoaderFR-2019918215.0 Diesel
Fiat-AllisTractor ScraperFS-2219858215.0 Diesel
Fiat-AllisTractor ScraperFS-2319858215.0 Diesel
Fiat-AllisCrawler TractorHD-16DD198216000.0 Diesel
Fiat-AllisCrawler TractorHD-16DD / PS198216000.0 Diesel
Fiat-AllisCrawler TractorHD-16PS198216000.0 Diesel
Fiat-AllisCrawler TractorHD-21198221000.0 Diesel
Fiat-AllisCrawler TractorHD-411985VT-1710
InternationalMedium & Heavy-Duty Truck2200-2275 Series19846V-92
InternationalTruck2200-2275 Series19846V-92
InternationalMedium & Heavy-Duty Truck2200-2275 Series19856V-92
InternationalTruck2200-2275 Series19856V-92
InternationalMedium & Heavy-Duty Truck2200-2275 Series19866V-92
InternationalTruck2200-2275 Series19866V-92
InternationalMedium & Heavy-Duty Truck2200-2275 Series19876V-92
InternationalTruck2200-2275 Series19876V-92
InternationalMedium & Heavy-Duty Truck2674 / 2675 Series19856V-92
InternationalMedium & Heavy-Duty Truck2674 / 2675 Series19866V-92
InternationalMedium & Heavy-Duty Truck2674 / 2675 Series19876V-92
InternationalMedium & Heavy-Duty Truck2674 / 2675 Series19886V-92
InternationalMedium & Heavy-Duty Truck2674 / 2675 Series19896V-92
InternationalTruck2674 Series19856V-92
InternationalTruck2674 Series19866V-92
InternationalTruck2674 Series19876V-92
InternationalTruck2674 Series19886V-92
InternationalTruck2674 Series19896V-92
InternationalTruck2675 Series19856V-92
InternationalTruck2675 Series19866V-92
InternationalTruck2675 Series19876V-92
InternationalTruck2675 Series19886V-92
InternationalTruck2675 Series19896V-92
InternationalMedium & Heavy-Duty TruckPaystar19803208
InternationalTruckPaystar19803208
InternationalMedium & Heavy-Duty TruckPaystar19803306
InternationalTruckPaystar19803306
InternationalMedium & Heavy-Duty TruckPaystar19806V-71
InternationalTruckPaystar19806V-71
InternationalMedium & Heavy-Duty TruckPaystar19806V-92
InternationalTruckPaystar19806V-92
InternationalMedium & Heavy-Duty TruckPaystar19808V-71
InternationalTruckPaystar19808V-71
InternationalMedium & Heavy-Duty TruckPaystar19808V-92
InternationalTruckPaystar19808V-92
InternationalMedium & Heavy-Duty TruckPaystar1980DT-466
InternationalTruckPaystar1980DT-466
InternationalMedium & Heavy-Duty TruckPaystar1980V-800
InternationalTruckPaystar1980V-800
InternationalMedium & Heavy-Duty TruckPaystar1980
InternationalMedium & Heavy-Duty TruckPaystar19813208
InternationalTruckPaystar19813208
InternationalMedium & Heavy-Duty TruckPaystar19813306
InternationalTruckPaystar19813306
InternationalMedium & Heavy-Duty TruckPaystar19816V-71
InternationalTruckPaystar19816V-71
InternationalMedium & Heavy-Duty TruckPaystar19816V-92
InternationalTruckPaystar19816V-92
InternationalMedium & Heavy-Duty TruckPaystar19818V-71
InternationalTruckPaystar19818V-71
InternationalMedium & Heavy-Duty TruckPaystar19818V-92
InternationalTruckPaystar19818V-92
InternationalMedium & Heavy-Duty TruckPaystar1981DT-466
InternationalTruckPaystar1981DT-466
InternationalMedium & Heavy-Duty TruckPaystar1981V-800
InternationalTruckPaystar1981V-800
InternationalMedium & Heavy-Duty TruckPaystar1981
InternationalMedium & Heavy-Duty TruckPaystar19823208
InternationalTruckPaystar19823208
InternationalMedium & Heavy-Duty TruckPaystar19823306
InternationalTruckPaystar19823306
InternationalMedium & Heavy-Duty TruckPaystar19826V-71
InternationalTruckPaystar19826V-71
InternationalMedium & Heavy-Duty TruckPaystar19826V-92
InternationalTruckPaystar19826V-92
InternationalMedium & Heavy-Duty TruckPaystar19828V-71
InternationalTruckPaystar19828V-71
InternationalMedium & Heavy-Duty TruckPaystar19828V-92
InternationalTruckPaystar19828V-92
InternationalMedium & Heavy-Duty TruckPaystar1982DT-466
InternationalTruckPaystar1982DT-466
InternationalMedium & Heavy-Duty TruckPaystar1982V-800
InternationalTruckPaystar1982V-800
InternationalMedium & Heavy-Duty TruckPaystar1982
InternationalMedium & Heavy-Duty TruckPaystar19836V-71
InternationalTruckPaystar19836V-71
InternationalMedium & Heavy-Duty TruckPaystar19836V-92
InternationalTruckPaystar19836V-92
InternationalMedium & Heavy-Duty TruckPaystar19838V-71
InternationalTruckPaystar19838V-71
InternationalMedium & Heavy-Duty TruckPaystar19838V-92
InternationalTruckPaystar19838V-92
InternationalMedium & Heavy-Duty TruckPaystar1983DT-466
InternationalTruckPaystar1983DT-466
InternationalMedium & Heavy-Duty TruckPaystar1983V-800
InternationalTruckPaystar1983V-800
InternationalMedium & Heavy-Duty TruckPaystar1983
InternationalMedium & Heavy-Duty TruckPaystar19846V-71
InternationalTruckPaystar19846V-71
InternationalMedium & Heavy-Duty TruckPaystar19846V-92
InternationalTruckPaystar19846V-92
InternationalMedium & Heavy-Duty TruckPaystar19848V-71
InternationalTruckPaystar19848V-71
InternationalMedium & Heavy-Duty TruckPaystar19848V-92
InternationalTruckPaystar19848V-92
InternationalMedium & Heavy-Duty TruckPaystar1984DT-466
InternationalTruckPaystar1984DT-466
InternationalMedium & Heavy-Duty TruckPaystar1984V-800
InternationalTruckPaystar1984V-800
InternationalMedium & Heavy-Duty TruckPaystar1984
InternationalMedium & Heavy-Duty TruckPaystar19856V-71
InternationalTruckPaystar19856V-71
InternationalMedium & Heavy-Duty TruckPaystar19856V-92
InternationalTruckPaystar19856V-92
InternationalMedium & Heavy-Duty TruckPaystar19858V-71
InternationalTruckPaystar19858V-71
InternationalMedium & Heavy-Duty TruckPaystar19858V-92
InternationalTruckPaystar19858V-92
InternationalMedium & Heavy-Duty TruckPaystar1985DT-466
InternationalTruckPaystar1985DT-466
InternationalMedium & Heavy-Duty TruckPaystar1985
InternationalMedium & Heavy-Duty TruckPaystar19866V-71
InternationalTruckPaystar19866V-71
InternationalMedium & Heavy-Duty TruckPaystar19866V-92
InternationalTruckPaystar19866V-92
InternationalMedium & Heavy-Duty TruckPaystar19868V-92
InternationalTruckPaystar19868V-92
InternationalMedium & Heavy-Duty TruckPaystar1986DT-466
InternationalTruckPaystar1986DT-466
InternationalMedium & Heavy-Duty TruckPaystar1986
InternationalMedium & Heavy-Duty TruckPaystar19876V-71
InternationalTruckPaystar19876V-71
InternationalMedium & Heavy-Duty TruckPaystar19876V-92
InternationalTruckPaystar19876V-92
InternationalMedium & Heavy-Duty TruckPaystar19878V-92
InternationalTruckPaystar19878V-92
InternationalMedium & Heavy-Duty TruckPaystar1987DT-466
InternationalTruckPaystar1987DT-466
InternationalMedium & Heavy-Duty TruckPaystar1987
InternationalMedium & Heavy-Duty TruckPaystar19886V-71
InternationalTruckPaystar19886V-71
InternationalMedium & Heavy-Duty TruckPaystar19886V-92
InternationalTruckPaystar19886V-92
InternationalMedium & Heavy-Duty TruckPaystar19888V-92
InternationalTruckPaystar19888V-92
InternationalMedium & Heavy-Duty TruckPaystar1988DT-466
InternationalTruckPaystar1988DT-466
InternationalMedium & Heavy-Duty TruckPaystar1988
InternationalMedium & Heavy-Duty TruckPaystar19896V-71
InternationalTruckPaystar19896V-71
InternationalMedium & Heavy-Duty TruckPaystar19896V-92
InternationalTruckPaystar19896V-92
InternationalMedium & Heavy-Duty TruckPaystar19898V-92
InternationalTruckPaystar19898V-92
InternationalMedium & Heavy-Duty TruckPaystar1989DT-466
InternationalTruckPaystar1989DT-466
InternationalMedium & Heavy-Duty TruckPaystar1989
CATERPILLARExcavator235D1994Cat. 3306
CATERPILLARExcavator2451974Cat. 3406
CATERPILLARExcavator2451975Cat. 3406
CATERPILLARExcavator2451976Cat. 3406
CATERPILLARExcavator2451977Cat. 3406
CATERPILLARExcavator2451978Cat. 3406
CATERPILLARExcavator2451979Cat. 3406
CATERPILLARExcavator2451980Cat. 3406
CATERPILLARExcavator2451981Cat. 3406
CATERPILLARExcavator2451982Cat. 3406
CATERPILLARExcavator2451983Cat. 3406
CATERPILLARExcavator2451984Cat. 3406
CATERPILLARExcavator2451985Cat. 3406
CATERPILLARExcavator2451986Cat. 3406
CATERPILLARExcavator2451987Cat. 3406
CATERPILLARExcavator2451988Cat. 3406
CATERPILLARExcavator245B1988Cat. 3406
CATERPILLARExcavator245B1989Cat. 3406
CATERPILLARExcavator245B1990Cat. 3406
CATERPILLARExcavator245B Series II1990Cat. 3406
CATERPILLARExcavator245B Series II1991Cat. 3406
CATERPILLARExcavator245B Series II1992Cat. 3406
CATERPILLARExcavator245D1992Cat. 3406
CATERPILLARExcavator245D1993Cat. 3406
CATERPILLARExcavator245D1994Cat. 3406
CATERPILLARExcavatorE1801985Cat. 3204 Engine
CATERPILLARExcavatorE1801986Cat. 3204 Engine
CATERPILLARExcavatorE1801987Cat. 3204 Engine
CATERPILLARExcavatorE1801988Cat. 3204 Engine
CATERPILLARExcavatorE1801989Cat. 3204 Engine
CATERPILLARExcavatorE2401985Cat. 3304 Engine
CATERPILLARExcavatorE2401986Cat. 3304 Engine
CATERPILLARExcavatorE2401987Cat. 3304 Engine
CATERPILLARExcavatorE2401988Cat. 3304 Engine
CATERPILLARExcavatorE2401989Cat. 3304 Engine
CATERPILLARExcavatorE2401990Cat. 3304 Engine
CATERPILLARExcavatorE3001985Cat. 3306 Engine
CATERPILLARExcavatorE3001986Cat. 3306 Engine
CATERPILLARExcavatorE3001987Cat. 3306 Engine
CATERPILLARExcavatorE3001988Cat. 3306 Engine
CATERPILLARExcavatorE3001989Cat. 3306 Engine
CATERPILLARExcavatorE3001990Cat. 3306 Engine
CATERPILLARExcavatorE3001991Cat. 3306 Engine
CATERPILLARExcavatorE300B1988Cat. 3306T Engine
CATERPILLARExcavatorE300B1989Cat. 3306T Engine
CATERPILLARExcavatorE300B1990Cat. 3306T Engine
CATERPILLARExcavatorE300B1991Cat. 3306T Engine
CATERPILLARExcavatorE300B1992Cat. 3306T Engine
CATERPILLARExcavatorE300B1993Cat. 3306T Engine
CATERPILLARExcavatorE300B1994Cat. 3306T Engine
CATERPILLARExcavatorEL1801985Cat. 3204 Engine
CATERPILLARExcavatorEL1801986Cat. 3204 Engine
CATERPILLARExcavatorEL1801987Cat. 3204 Engine
CATERPILLARExcavatorEL1801988Cat. 3204 Engine
CATERPILLARExcavatorEL1801989Cat. 3204 Engine
CATERPILLARExcavatorEL2401985Cat. 3304 Engine
CATERPILLARExcavatorEL2401986Cat. 3304 Engine
CATERPILLARExcavatorEL2401987Cat. 3304 Engine
CATERPILLARExcavatorEL2401988Cat. 3304 Engine
CATERPILLARExcavatorEL2401989Cat. 3304 Engine
CATERPILLARExcavatorEL2401990Cat. 3304 Engine
CATERPILLARExcavatorEL3001985Cat. 3306 Engine
CATERPILLARExcavatorEL3001986Cat. 3306 Engine
CATERPILLARExcavatorEL3001987Cat. 3306 Engine
CATERPILLARExcavatorEL3001988Cat. 3306 Engine
CATERPILLARExcavatorEL3001989Cat. 3306 Engine
CATERPILLARExcavatorEL3001990Cat. 3306 Engine
CATERPILLARExcavatorEL3001991Cat. 3306 Engine
CATERPILLARExcavatorEL300B1988Cat. 3306T Engine
CATERPILLARExcavatorEL300B1989Cat. 3306T Engine
CATERPILLARExcavatorEL300B1990Cat. 3306T Engine
CATERPILLARExcavatorEL300B1991Cat. 3306T Engine
CATERPILLARExcavatorEL300B1992Cat. 3306T Engine
CATERPILLARExcavatorEL300B1993Cat. 3306T Engine
CATERPILLARExcavatorEL300B1994Cat. 3306T Engine
CATERPILLARForestry LoadersFB2271983Cat. 3208
CATERPILLARForestry LoadersFB2271984Cat. 3208
CATERPILLARForestry LoadersFB2271985Cat. 3208
CATERPILLARForestry LoadersFB2271986Cat. 3208
CATERPILLARForestry LoadersFB2271987Cat. 3208
CATERPILLARForestry LoadersFB2271988Cat. 3208
CATERPILLARForestry LoadersFB2271989Cat. 3208
CATERPILLARForestry LoadersFB2271990Cat. 3208
CATERPILLARForestry LoadersFB2271991Cat. 3208
CATERPILLARForestry LoadersFB2271992Cat. 3208
CATERPILLARForestry LoadersFB2271993Cat. 3208
CATERPILLARFront Shovel235C1991Cat. 3306
CATERPILLARFront Shovel235C1992Cat. 3306
CATERPILLARGraders120B1979
CATERPILLARGraders120B1980
CATERPILLARGraders120B1981
CATERPILLARGraders120B1982
CATERPILLARGraders120B1983
CATERPILLARGraders120B1984
CATERPILLARGraders120B1985
CATERPILLARGraders120B1986
CATERPILLARGraders120B1987
CATERPILLARGraders120B1988
CATERPILLARGraders120B1989
CATERPILLARGraders120G1979Cat. 3304
CATERPILLARGraders120G1980Cat. 3304
CATERPILLARGraders120G1981Cat. 3304
CATERPILLARGraders120G1982Cat. 3304
CATERPILLARGraders120G1983Cat. 3304
CATERPILLARGraders120G1984Cat. 3304
CATERPILLARGraders120G1985Cat. 3304
CATERPILLARGraders120G1986Cat. 3304
CATERPILLARGraders120G1987Cat. 3304
CATERPILLARGraders120G1988Cat. 3304
CATERPILLARGraders120G1989Cat. 3304
CATERPILLARGraders120G1990Cat. 3304
CATERPILLARGraders120G1991Cat. 3304
CATERPILLARGraders120G1992Cat. 3304
CATERPILLARGraders120G1993Cat. 3304
CATERPILLARGraders12G1979Cat. 3306
CATERPILLARGraders12G1980Cat. 3306
CATERPILLARGraders12G1981Cat. 3306
CATERPILLARGraders12G1982Cat. 3306
CATERPILLARGraders12G1983Cat. 3306
CATERPILLARGraders12G1984Cat. 3306
CATERPILLARGraders12G1985Cat. 3306
CATERPILLARGraders12G1986Cat. 3306
CATERPILLARGraders12G1987Cat. 3306
CATERPILLARGraders12G1988Cat. 3306
CATERPILLARGraders12G1989Cat. 3306
CATERPILLARGraders12G1990Cat. 3306
CATERPILLARGraders12G1991Cat. 3306
CATERPILLARGraders12G1992Cat. 3306
CATERPILLARGraders12G1993Cat. 3306
CATERPILLARGraders130G1979Cat. 3304
CATERPILLARGraders130G1980Cat. 3304
CATERPILLARGraders130G1981Cat. 3304
CATERPILLARGraders130G1982Cat. 3304
CATERPILLARGraders130G1983Cat. 3304
CATERPILLARGraders130G1984Cat. 3304
CATERPILLARGraders130G1985Cat. 3304
CATERPILLARGraders130G1986Cat. 3304
CATERPILLARGraders130G1987Cat. 3304
CATERPILLARGraders130G1988Cat. 3304
CATERPILLARGraders130G1989Cat. 3304
CATERPILLARGraders130G1990Cat. 3304
CATERPILLARGraders130G1991Cat. 3304
CATERPILLARGraders130G1992Cat. 3304
CATERPILLARGraders130G1993Cat. 3304
CATERPILLARGraders1401970
CATERPILLARGraders1401971
CATERPILLARGraders1401972
CATERPILLARGraders1401973
CATERPILLARGraders1401974
CATERPILLARGraders140G1979Cat. 3306
CATERPILLARGraders140G1980Cat. 3306
CATERPILLARGraders140G1981Cat. 3306
CATERPILLARGraders140G1982Cat. 3306
CATERPILLARGraders140G1983Cat. 3306
CATERPILLARGraders140G1984Cat. 3306
CATERPILLARGraders140G1985Cat. 3306
CATERPILLARGraders140G1986Cat. 3306
CATERPILLARGraders140G1987Cat. 3306
CATERPILLARGraders140G1988Cat. 3306
CATERPILLARGraders140G1989Cat. 3306
CATERPILLARGraders140G1990Cat. 3306
CATERPILLARGraders140G1991Cat. 3306
CATERPILLARGraders140G1992Cat. 3306
CATERPILLARGraders140G1993Cat. 3306
CATERPILLARGraders140H1994Cat. 3306
CATERPILLARGraders140H1995Cat. 3306
CATERPILLARGraders140H1996Cat. 3306
CATERPILLARGraders140H1997Cat. 3306
CATERPILLARGraders140H1998Cat. 3306
CATERPILLARGraders140H1999Cat. 3306
CATERPILLARGraders140H2000Cat. 3306
CATERPILLARGraders14G1979Cat. 3306
CATERPILLARGraders14G1980Cat. 3306
CATERPILLARGraders14G1981Cat. 3306
CATERPILLARGraders14G1982Cat. 3306
CATERPILLARGraders14G1983Cat. 3306
CATERPILLARGraders14G1984Cat. 3306
CATERPILLARGraders14G1985Cat. 3306
CATERPILLARGraders14G1986Cat. 3306
CATERPILLARGraders14G1987Cat. 3306
CATERPILLARGraders14G1988Cat. 3306
CATERPILLARGraders14G1989Cat. 3306
CATERPILLARGraders14G1990Cat. 3306
CATERPILLARGraders14G1991Cat. 3306
CATERPILLARGraders14G1992Cat. 3306
CATERPILLARGraders14G1993Cat. 3306
CATERPILLARPipelayers561D1979Cat. 3306
CATERPILLARPipelayers561D1980Cat. 3306
CATERPILLARPipelayers561D1981Cat. 3306
CATERPILLARPipelayers561D1982Cat. 3306
CATERPILLARPipelayers561D1983Cat. 3306
CATERPILLARPipelayers561D1984Cat. 3306
CATERPILLARPipelayers561D1985Cat. 3306
CATERPILLARPipelayers561D1986Cat. 3306
CATERPILLARPipelayers561D1987Cat. 3306
CATERPILLARPipelayers561D1988Cat. 3306
CATERPILLARPipelayers561D1989Cat. 3306
CATERPILLARPipelayers561D1990Cat. 3306
CATERPILLARPipelayers561D1991Cat. 3306
CATERPILLARPipelayers561D1992Cat. 3306
CATERPILLARPipelayers571G1979Cat. 3306
CATERPILLARPipelayers571G1980Cat. 3306
CATERPILLARPipelayers571G1981Cat. 3306
CATERPILLARPipelayers571G1982Cat. 3306
CATERPILLARPipelayers571G1983Cat. 3306
CATERPILLARPipelayers571G1984Cat. 3306
CATERPILLARPipelayers571G1985Cat. 3306
CATERPILLARPipelayers571G1986Cat. 3306
CATERPILLARPipelayers571G1987Cat. 3306
CATERPILLARPipelayers571G1988Cat. 3306
CATERPILLARPipelayers571G1989Cat. 3306
CATERPILLARPipelayers571G1990Cat. 3306
CATERPILLARPipelayers571G1991Cat. 3306
CATERPILLARPipelayers571G1992Cat. 3306
CATERPILLARPipelayers572G1979Cat. 3306
CATERPILLARPipelayers572G1980Cat. 3306
CATERPILLARPipelayers572G1981Cat. 3306
CATERPILLARPipelayers572G1982Cat. 3306
CATERPILLARPipelayers572G1983Cat. 3306
CATERPILLARPipelayers572G1984Cat. 3306
CATERPILLARPipelayers572G1985Cat. 3306
CATERPILLARPipelayers572G1986Cat. 3306
CATERPILLARPipelayers572G1987Cat. 3306
CATERPILLARPipelayers572G1988Cat. 3306
CATERPILLARPipelayers572G1989Cat. 3306
CATERPILLARPipelayers572G1990Cat. 3306
CATERPILLARPipelayers572G1991Cat. 3306
CATERPILLARPipelayers572G1992Cat. 3306
CATERPILLARPipelayers583K1978D-342 Diesel
CATERPILLARPipelayers583K1979D-342 Diesel
CATERPILLARPipelayers583K1980D-342 Diesel
CATERPILLARPipelayers583K1981D-342 Diesel
CATERPILLARPipelayers583K1982D-342 Diesel
CATERPILLARPipelayers583K1983D-342 Diesel
CATERPILLARPipelayers583K1984D-342 Diesel
CATERPILLARPipelayers583K1985D-342 Diesel
CATERPILLARPipelayers583K1986D-342 Diesel
CATERPILLARPipelayers583K1987D-342 Diesel
CATERPILLARPipelayers583K1988D-342 Diesel
CATERPILLARPipelayers583K1989D-342 Diesel
CATERPILLARPipelayers5891983Cat. 3408
CATERPILLARPipelayers5891984Cat. 3408
CATERPILLARPipelayers5891985Cat. 3408
CATERPILLARPipelayers5891986Cat. 3408
CATERPILLARPipelayers5891987Cat. 3408
CATERPILLARPipelayers5891988Cat. 3408
CATERPILLARPipelayers5891989Cat. 3408
CATERPILLARPipelayers5891990Cat. 3408
CATERPILLARPipelayers5891991Cat. 3408
CATERPILLARPipelayers5891992Cat. 3408
CATERPILLARPipelayers5911983Cat. 3412
CATERPILLARPipelayers5911984Cat. 3412
CATERPILLARPipelayers5911985Cat. 3412
CATERPILLARPipelayers5911986Cat. 3412
CATERPILLARPipelayers5911987Cat. 3412
CATERPILLARPipelayers5911988Cat. 3412
CATERPILLARPipelayers5911989Cat. 3412
CATERPILLARPipelayers5911990Cat. 3412
CATERPILLARPipelayers5911991Cat. 3412
CATERPILLARPipelayers5911992Cat. 3412
CATERPILLARPipelayers594H1979D-353 Diesel
CATERPILLARPipelayers594H1980D-353 Diesel
CATERPILLARPipelayers594H1981D-353 Diesel
CATERPILLARPipelayers594H1982D-353 Diesel
CATERPILLARPipelayers594H1983D-353 Diesel
CATERPILLARPipelayers594H1984D-353 Diesel
CATERPILLARPipelayers594H1985D-353 Diesel
CATERPILLARScrapers613B1979Cat. 3208
CATERPILLARScrapers613B1980Cat. 3208
CATERPILLARScrapers613B1981Cat. 3208
CATERPILLARScrapers613B1982Cat. 3208
CATERPILLARScrapers613B1983Cat. 3208
CATERPILLARScrapers613B1984Cat. 3208
CATERPILLARScrapers613C1984Cat. 3208
CATERPILLARScrapers613C1985Cat. 3208
CATERPILLARScrapers613C1986Cat. 3208
CATERPILLARScrapers613C1987Cat. 3208
CATERPILLARScrapers613C1988Cat. 3208
CATERPILLARScrapers613C1989Cat. 3208
CATERPILLARScrapers613C1990Cat. 3208
CATERPILLARScrapers613C1991Cat. 3208
CATERPILLARScrapers613C1992Cat. 3208
CATERPILLARScrapers613C1993Cat. 3208
CATERPILLARScrapers6151981Cat. 3306
CATERPILLARScrapers6151982Cat. 3306
CATERPILLARScrapers6151983Cat. 3306
CATERPILLARScrapers6151984Cat. 3306
CATERPILLARScrapers6151985Cat. 3306
CATERPILLARScrapers6151986Cat. 3306
CATERPILLARScrapers6151987Cat. 3306
CATERPILLARScrapers615C1985Cat. 3306
CATERPILLARScrapers615C1986Cat. 3306
CATERPILLARScrapers615C1987Cat. 3306
CATERPILLARScrapers615C1988Cat. 3306
CATERPILLARScrapers615C1989Cat. 3306
CATERPILLARScrapers615C1990Cat. 3306
CATERPILLARScrapers615C1991Cat. 3306
CATERPILLARScrapers615C1992Cat. 3306
CATERPILLARScrapers615C1993Cat. 3306
CATERPILLARScrapers621B1979Cat. 3406
CATERPILLARScrapers621B1980Cat. 3406
CATERPILLARScrapers621B1981Cat. 3406
CATERPILLARScrapers621B1982Cat. 3406
CATERPILLARScrapers621B1983Cat. 3406
CATERPILLARScrapers621B1984Cat. 3406
CATERPILLARScrapers621B1985Cat. 3406
CATERPILLARScrapers621B1986Cat. 3406
CATERPILLARScrapers621E1986Cat. 3406
CATERPILLARScrapers621E1987Cat. 3406
CATERPILLARScrapers621E1988Cat. 3406
CATERPILLARScrapers621E1989Cat. 3406
CATERPILLARScrapers621E1990Cat. 3406
CATERPILLARScrapers621E1991Cat. 3406
CATERPILLARScrapers621E1992Cat. 3406
CATERPILLARScrapers621E1993Cat. 3406
CATERPILLARScrapers623B1979Cat. 3406
CATERPILLARScrapers623B1980Cat. 3406
CATERPILLARScrapers623B1981Cat. 3406
CATERPILLARScrapers623B1982Cat. 3406
CATERPILLARScrapers623B1983Cat. 3406
CATERPILLARScrapers623B1984Cat. 3406
CATERPILLARScrapers623B1985Cat. 3406
CATERPILLARScrapers623B1986Cat. 3406
CATERPILLARScrapers623E1986Cat. 3406
CATERPILLARScrapers623E1987Cat. 3406
CATERPILLARScrapers623E1988Cat. 3406
CATERPILLARScrapers623E1989Cat. 3406
CATERPILLARScrapers623E1990Cat. 3406
CATERPILLARScrapers623E1991Cat. 3406
CATERPILLARScrapers623E1992Cat. 3406
CATERPILLARScrapers623E1993Cat. 3406
CATERPILLARScrapers627B1979Cat. 3306
CATERPILLARScrapers627B1980Cat. 3306
CATERPILLARScrapers627B1981Cat. 3306
CATERPILLARScrapers627B1982Cat. 3306
CATERPILLARScrapers627B1983Cat. 3306
CATERPILLARScrapers627B1984Cat. 3306
CATERPILLARScrapers627B1985Cat. 3306
CATERPILLARScrapers627B1986Cat. 3306
CATERPILLARScrapers627E1986Cat. 3306
CATERPILLARScrapers627E1987Cat. 3306
CATERPILLARScrapers627E1988Cat. 3306
CATERPILLARScrapers627E1989Cat. 3306
CATERPILLARScrapers627E1990Cat. 3306
ALSO FITS MORE APPLICATIONS, PLEASE CALL US FOR MORE INFO

Replaces These Part Numbers

AC DELCO321-660, 321-665
ARROWHEADADR0036, 400-12270
CARGO110801
CATERPILLAR0R2698, 0R3482, 0R5217, 3N2702, 3N2706, 3T6352, 3Y6691, 5N5692, 6N5217, 6N9249, 6N9294, 9G8255
CUMMINS111640, 3016627, 3604676RX, 3675126RX
DELCO10459319, 1117615, 1117619, 1117622, 1117623, 1117631, 1117640, 1117642, 1117643, 1117644, 1117645, 1117647, 1117650, 1117655
EUCLIDE820107X
FIAT ALLIS73113742, 73119134
INTL HARVESTER1243060H91, 1286822H91
J&N Electrical Products400-12026, 400-12270
KOMATSUALT1004
LESTER7297, 7467, 7296
UNIPOINTALT-1150
WAI20-118, 7297N

Frequently Asked Questions

Q: Do I need a larger charge wire for a High Output unit?
A: The high amp unit will operate better than stock, but not to its full potential without a larger charge wire. It’s the same reason firetrucks do not use garden hoses. It is IMPARATIVE to have proper charge and ground cables.

Q: Does a High Amp unit cause any damage to my battery or my vehicles charging system?
A: As long as it is installed properly with battery in good condition, then no. A High Output unit works exactly like a factory unit and only produces what is being demanded. No alternator works continuously at full output. Higher amperage is not bad and will not hurt a battery, but high voltage will blow one up.

Q: Will aftermarket underdrive pulleys (crankshaft power pulley) have any effect on my alternator?
A: Yes, underdrive crankshaft pulleys slow all the components (power steering, a/c, and alternator) to provide more power to the rear wheels. In some cases, the charging systems will fall totally on the battery at idle and completely stop charging.

Q: Where is the best place to get a voltage reading of the alternator output?
A: You’ll get the most accurate voltage reading from the back of the alternator at the main charge post that runs directly to the battery. This must be done while the vehicle is running.

Q: Why is the pulley on a high amp alternator smaller than my stock pulley?
A: The smaller pulley advances the power curve of the alternator just slightly, which produces a little more amperage around the idle if needed.

Q: Will I need a smaller belt for my high amp unit?
A: This varies by application because not all belts and belt tensioners are in the same condition. The tensioner will always tell you if you need a new belt or not. If it’s in range, you will not. If it is out, you will. Generally, you will need a belt that is one inch shorter than stock. You should have no problem finding a replacement wherever you buy your parts. V belt applications simply re-adjust your belt tensions to 3/8” deflection.

Q: What is the difference between a one wire, self-exciting and a self-energizing regulator?
A: Nothing. They are all exactly the same. Different manufacturers use different terms for marketing. The only wire to hook up is the charge wire to the battery. This does require modification for the alternator charge light on the dash.

Q: My stock unit used a five-groove pulley, and you sent my high amp alternator with a 6 groove. Why and what can I do?
A: 5 groove overdrive pullies are not produced. Install the belt on the back groove of the pulley closest to the fan or body of the alternator. The fan is internal, and this application will work just fine.

Q: Can your alternator be run in dual or triple alternator applications?
A: Yes. When wired and mounted correctly, the alternator can run in either dual or triple applications.

Q: Will I need a new battery with a high amp alternator?
A: If your battery is in good condition, and in spec of its OEM rating, then no. Your battery should work equally well with either the OEM and a High Amp unit.

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