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Excavator Alternators

600-861-2110 24V Alternator for Komatsu D31E-20 D31EX-21

OEM / reference600-861-2110
SpecificationAlternator
Catalog ID53684828

Alternator identified by primary reference 600-861-2110. Catalog-confirmed configuration: 24V. The cited technical sources record 52 application references. Confirm the complete number, connector or mounting arrangement, and machine serial range before ordering.

Product Type
Alternator
Product Brand
EexcavaStart
Voltage
24V 30A
Voltage
24
Condition
New replacement part

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 catalog600-861-2110
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration12759N
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration0-33000-6590
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration12759
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration144-25201
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration285-108C
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configuration90-28-4034
Catalog Cross-Reference - Verify ConfigurationRecorded in the cited catalog family; confirm electrical, mounting and application configurationAVF-12759

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
  • 600-861-2110
Other documented relationship
  • 12759N
  • 0-33000-6590
  • 12759
  • 144-25201
  • 285-108C
  • 90-28-4034
  • AVF-12759

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
53684828
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

53 model references

  • Recorded application: Make: Komatsu · Model: D31E-20 · Year: 1991-2002 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: D31EX-21 · Year: 2002-2010 · Engine: L4 3.9L 239cid Komatsu SAA4D102E
  • Recorded application: Make: Komatsu · Model: D31EX-21A · Year: 2004-2010 · Engine: L4 3.9L 239cid Komatsu SAA4D102E
  • Recorded application: Make: Komatsu · Model: D31P-20 · Year: 1992-2001 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: D31P-20A · Year: 1992-2001 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: D31PX-21 · Year: 2002-2010 · Engine: L4 3.9L 239cid Komatsu SAA4D102E
  • Recorded application: Make: Komatsu · Model: D31PX-21A · Year: 2004-2010 · Engine: L4 3.9L 239cid Komatsu SAA4D102E
  • Recorded application: Make: Komatsu · Model: D37E-5 · Year: 1991-2006 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: D37EX-21 · Year: 2002-2008 · Engine: L4 3.9L 239cid Komatsu SAA4D102E
  • Recorded application: Make: Komatsu · Model: D37EX-21A · Year: 2002-2008 · Engine: L4 3.9L 239cid Komatsu SAA4D102E
  • Recorded application: Make: Komatsu · Model: D37P-5 · Year: 1988-2003 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: D37P-5A · Year: 1992-2002 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: D37PX-21 · Year: 2002-2008 · Engine: L4 3.9L 239cid Komatsu SAA4D102E
  • Recorded application: Make: Komatsu · Model: D37PX-21A · Year: 2002-2008 · Engine: L4 3.9L 239cid Komatsu SAA4D102E
  • Recorded application: Make: Komatsu · Model: D39EX-21 · Year: 2001-2007 · Engine: L4 3.9L 239cid Komatsu SAA4D102E
  • Recorded application: Make: Komatsu · Model: D39EX-21A · Year: 2001-2007 · Engine: L4 3.9L 239cid Komatsu SAA4D102E
  • Recorded application: Make: Komatsu · Model: D39PX-21 · Year: 2001-2007 · Engine: L4 3.9L 239cid Komatsu SAA4D102E
  • Recorded application: Make: Komatsu · Model: D39PX-21A · Year: 2001-2007 · Engine: L4 3.9L 239cid Komatsu SAA4D102E
  • Recorded application: Make: Komatsu · Model: EG125BS-2 · Year: 2000-2010 · Engine: L6 6.5L 396cid Komatsu S6D105
  • Recorded application: Make: Komatsu · Model: EG90BS-1 · Year: 2000-2010 · Engine: L6 5.9L 359cid Komatsu S6D102
  • Recorded application: Make: Komatsu · Model: PC100-6 · Year: 1994-2003 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC100-6E · Year: 1994-2003 · Engine: L4 3.3L 180cid Komatsu 4D95
  • Recorded application: Make: Komatsu · Model: PC100L-6 · Year: 1994-2003 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC120-6 · Year: 2002-2010 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC120-6E0 · Year: 2002-2010 · Engine: L4 3.9L 239cid Komatsu SAA4D102E
  • Recorded application: Make: Komatsu · Model: PC120-6Z · Year: 2002-2010 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC120LC-6 · Year: 2002-2010 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC120LC-6E0 · Year: 2002-2010 · Engine: L4 3.9L 239cid Komatsu SAA4D102E
  • Recorded application: Make: Komatsu · Model: PC128US-1 · Year: 1998-2003 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC128US-2 · Year: 1999-2005 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC128US-2 · Year: 1999-2005 · Engine: L4 3.9L 239cid Komatsu SAA4D102E
  • Recorded application: Make: Komatsu · Model: PC128UU-1 · Year: 1996-1999 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC128UU-1E · Year: 2000-2010 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC128UU-2 · Year: 2000-2008 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC130-6 · Year: 1999-2004 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC130-6K · Year: 1999-2004 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC138US-2 · Year: 2001-2005 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC138US-2 · Year: 2001-2005 · Engine: L4 3.9L 239cid Komatsu SAA4D102E
  • Recorded application: Make: Komatsu · Model: PC138USE-1 · Year: 2000-2010 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC138USLC-2 · Year: 2002-2004 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC158US-2 · Year: 2000-2007 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC158USLC-2 · Year: 2000-2007 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC60-7 · Year: 1995-2011 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC60E-7 · Year: 2000-2010 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC70-7 · Year: 1997-2004 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC75UU-2E · Year: 1992-1999 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PC75UU-3 · Year: 1997-2006 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PW128E · Year: 2000-2010 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: PW128UU-1E · Year: 2000-2010 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: WA100E-3 · Year: 1998-2004 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: WA80-3 · Year: 2004-2006 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Recorded application: Make: Komatsu · Model: WA80E-3 · Year: 2004-2008 · Engine: L4 3.9L 239cid Komatsu S4D102E
  • Komatsu catalog engine references: 4D102E-1B

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 600-861-2110

Which machines use 600-861-2110?

Recorded compatible model references include Recorded application: Make: Komatsu · Model: D31E-20 · Year: 1991-2002 · Engine: L4 3.9L 239cid Komatsu S4D102E, Recorded application: Make: Komatsu · Model: D31EX-21 · Year: 2002-2010 · Engine: L4 3.9L 239cid Komatsu SAA4D102E, Recorded application: Make: Komatsu · Model: D31EX-21A · Year: 2004-2010 · Engine: L4 3.9L 239cid Komatsu SAA4D102E, Recorded application: Make: Komatsu · Model: D31P-20 · Year: 1992-2001 · Engine: L4 3.9L 239cid Komatsu S4D102E, Recorded application: Make: Komatsu · Model: D31P-20A · Year: 1992-2001 · Engine: L4 3.9L 239cid Komatsu S4D102E, Recorded application: Make: Komatsu · Model: D31PX-21 · Year: 2002-2010 · Engine: L4 3.9L 239cid Komatsu SAA4D102E, Recorded application: Make: Komatsu · Model: D31PX-21A · Year: 2004-2010 · Engine: L4 3.9L 239cid Komatsu SAA4D102E, Recorded application: Make: Komatsu · Model: D37E-5 · Year: 1991-2006 · Engine: L4 3.9L 239cid Komatsu S4D102E and 45 additional models shown on this page. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 600-861-2110?

No alternate number is listed for 600-861-2110. Send the original nameplate for an alternate-number check.

How do I confirm 600-861-2110 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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