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Excavator Alternators

Alternator 600-821-8440 for Komatsu 6D105-1U

OEM / reference600-821-8440
SpecificationAlternator
Catalog ID91001413

Part number 600-821-8440 is recorded in the supplied equipment catalog as an alternator used on selected Komatsu machines. The source set contains 32 supporting catalog rows. recorded engine references include 6D105-1U. Confirm the complete part number, electrical rating, terminals, mounting arrangement and machine serial range against the original unit before ordering.

Product Type
Alternator
Supply Brand
EexcavaStart
Equipment Brand
Komatsu
Catalog Classification
Alternator A. (35A),(See Fig.0641A)
Application Records
32
Condition
New replacement part
Gallery Representation
EexcavaStart neutral packaging illustration; exact product photo available on request

Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Part-number relationships

RelationshipReference familyNumber
Primary Part NumberExact identity retained from the supplied application catalog600-821-8440

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
  • 600-821-8440

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
91001413
Photo views
1

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

2 model references

  • Engine models: 6D105-1U
  • Fitment limitation: Confirm the exact part number, electrical rating, terminal layout, mounting and machine serial range before shipment

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 600-821-8440

Which machines use 600-821-8440?

Recorded compatible model references include Engine models: 6D105-1U, Fitment limitation: Confirm the exact part number, electrical rating, terminal layout, mounting and machine serial range before shipment. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 600-821-8440?

No alternate number is listed for 600-821-8440. Send the original nameplate for an alternate-number check.

How do I confirm 600-821-8440 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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