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Excavator Alternators

A2TA2871 12V 50A Alternator for CAT GC15 GC18

A2TA2871 12V 50A Alternator for CAT GC15 GC18, OEM/reference A2TA2871, Alternator, product view 1
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OEM / referenceA2TA2871
SpecificationAlternator
Catalog ID53634540

Alternator identified by primary reference A2TA2871. Catalog-confirmed configuration: 12V, 50A. The cited technical sources record 19 application references. Confirm the complete number, connector or mounting arrangement, and machine serial range before ordering.

Product Type
Alternator
Product Brand
EexcavaStart
Voltage
12V 50A
Technical Specification
50 Amp/12 Volt,CW, 1-Groove Pulley
Design
IR/IF
Voltage
12
Amperage
50
Rotation
CW
Pulley Class
V1
Plug Clock
01:00 Plug Clock
Plug Code
300
Brushless
YES
Mounting Type
Two Mounting Feet/One Mounting Ear
Split Mtg Ear Thk Mm
80
Polarity
B+
One Wire Capable
No
Cooling Method
Alternator cooling via internal fan
Condition
New replacement part
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Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Part-number relationships

RelationshipReference familyNumber
Primary Part NumberSource catalogA2TA2871
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration12311
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration1-2153-01MI
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration113310
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration12311N
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration12311R
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration155.540.050
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration155.540.050.130
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration190-005
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration203-447
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration28-5798
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration400-48011R
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration400-48065
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration50875
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration554007RI
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration572111502
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration90-27-3190
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration90-27-3190N
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationA-8775
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationA002TA2871
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationA002TA2871A
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationA2TA2871A
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationAC-00120R
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationAL10081X
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationAL5056X
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationALT20307
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationALT31102
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationAMT0199
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationCAL35319GS
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationDRA0868
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationF032113310
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationLRA03186
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationMD316418
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationMD354809
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationMD354809A
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationMD354809D
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationVA-12311
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationX612311

Product fitment guide

Part numbers and compatible models

Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.

Part identification

Reference numbers

Primary number
  • A2TA2871
Other documented relationship
  • 12311
  • 1-2153-01MI
  • 113310
  • 12311N
  • 12311R
  • 155.540.050
  • 155.540.050.130
  • 190-005
  • 203-447
  • 28-5798
  • 400-48011R
  • 400-48065
  • 50875
  • 554007RI
  • 572111502
  • 90-27-3190
  • 90-27-3190N
  • A-8775
  • A002TA2871
  • A002TA2871A
  • A2TA2871A
  • AC-00120R
  • AL10081X
  • AL5056X
  • ALT20307
  • ALT31102
  • AMT0199
  • CAL35319GS
  • DRA0868
  • F032113310
  • LRA03186
  • MD316418
  • MD354809
  • MD354809A
  • MD354809D
  • VA-12311
  • X612311

Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.

Product summary

Alternator

Category
Excavator Alternators
Catalog ID
53634540
Photo views
5

Before ordering

Confirm these details

  • Confirm voltage and rated amperage against the original alternator label.
  • Compare mounting ears, pulley type and pulley-groove count.
  • Check plug shape, terminal position and regulator connection.
  • Verify the engine model and machine serial range before ordering.

Machine fitment

Compatible model references

19 model references

  • Recorded application: Make: Caterpillar Ag. & Ind. · Model: GC15 · Year: 1992-1997 · Engine: Mitsubishi 4G63
  • Recorded application: Make: Caterpillar Ag. & Ind. · Model: GC18 · Year: 1992-1997 · Engine: Mitsubishi 4G63
  • Recorded application: Make: Caterpillar Ag. & Ind. · Model: GC20 · Year: 1992-1997 · Engine: Mitsubishi 4G63
  • Recorded application: Make: Caterpillar Ag. & Ind. · Model: GC25 · Year: 1992-1997 · Engine: Mitsubishi 4G63
  • Recorded application: Make: Caterpillar Ag. & Ind. · Model: GC25 · Year: 1992-1997 · Engine: Mitsubishi 4G64
  • Recorded application: Make: Caterpillar Ag. & Ind. · Model: GC30 · Year: 1992-1997 · Engine: Mitsubishi 4G64
  • Recorded application: Make: Caterpillar Ag. & Ind. · Model: GP15 · Year: 1994-1997 · Engine: Mitsubishi 4G63
  • Recorded application: Make: Caterpillar Ag. & Ind. · Model: GP18 · Year: 1992-1997 · Engine: Mitsubishi 4G15
  • Recorded application: Make: Caterpillar Ag. & Ind. · Model: GP20 · Year: 1992-1997 · Engine: Mitsubishi 4G63
  • Recorded application: Make: Caterpillar Ag. & Ind. · Model: GP25 · Year: 1992-1997 · Engine: Mitsubishi 4G63
  • Recorded application: Make: Caterpillar Ag. & Ind. · Model: GP25 · Year: 1992-1997 · Engine: Mitsubishi 4G64
  • Recorded application: Make: Caterpillar Ag. & Ind. · Model: GP30 · Year: 1992-1997 · Engine: Mitsubishi 4G64
  • Recorded application: Make: Clark · Model: CGC20 · Year: 1995-2000 · Engine: Mitsubishi 4G64 Gas
  • Recorded application: Make: Clark · Model: CGC25 · Year: 1995-2000 · Engine: Mitsubishi 4G64 Gas
  • Recorded application: Make: Clark · Model: CGC30 · Year: 1995-2000 · Engine: Mitsubishi 4G64 Gas
  • Recorded application: Make: Clark · Model: CGC32 · Year: 1995-2000 · Engine: Mitsubishi 4G64 Gas
  • Recorded application: Make: Clark · Model: CGP20 · Year: 1995-2000 · Engine: Mitsubishi 4G64 Gas
  • Recorded application: Make: Clark · Model: CGP25 · Year: 1995-2000 · Engine: Mitsubishi 4G64 Gas
  • Recorded application: Make: Clark · Model: CGP30 · Year: 1995-2000 · Engine: Mitsubishi 4G64 Gas

Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.

Quick fitment answers

Common questions about A2TA2871

Which machines use A2TA2871?

Recorded compatible model references include Recorded application: Make: Caterpillar Ag. & Ind. · Model: GC15 · Year: 1992-1997 · Engine: Mitsubishi 4G63, Recorded application: Make: Caterpillar Ag. & Ind. · Model: GC18 · Year: 1992-1997 · Engine: Mitsubishi 4G63, Recorded application: Make: Caterpillar Ag. & Ind. · Model: GC20 · Year: 1992-1997 · Engine: Mitsubishi 4G63, Recorded application: Make: Caterpillar Ag. & Ind. · Model: GC25 · Year: 1992-1997 · Engine: Mitsubishi 4G63, Recorded application: Make: Caterpillar Ag. & Ind. · Model: GC25 · Year: 1992-1997 · Engine: Mitsubishi 4G64, Recorded application: Make: Caterpillar Ag. & Ind. · Model: GC30 · Year: 1992-1997 · Engine: Mitsubishi 4G64, Recorded application: Make: Caterpillar Ag. & Ind. · Model: GP15 · Year: 1994-1997 · Engine: Mitsubishi 4G63, Recorded application: Make: Caterpillar Ag. & Ind. · Model: GP18 · Year: 1992-1997 · Engine: Mitsubishi 4G15 and 11 additional models shown on this page. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for A2TA2871?

No alternate number is listed for A2TA2871. Send the original nameplate for an alternate-number check.

How do I confirm A2TA2871 before ordering?

Confirm voltage and rated amperage against the original alternator label. Compare mounting ears, pulley type and pulley-groove count. Check plug shape, terminal position and regulator connection. Send clear photos of the original unit and connector layout when requesting a quote.

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