Alternators

Alternator 600-821-7220 for Komatsu GD663A-2 6D125-1Z

Q: What numbers are documented for 600-821-7220?

Primary Part Number: 600-821-7220. Related reference - verify configuration: 600821-3120. Related reference - verify configuration: 600821-7210. Related reference - verify configuration: 600821-7230. Related reference - verify configuration: 600821-7240. Related reference - verify configuration: 600821-7250. Related reference - verify configuration: 600821-7260. Related reference - verify configuration: 600821-7310. Related reference - verify configuration: 600821-7350. Related reference - verify configuration: 600821-7420. Related reference - verify configuration: 600821-7520. Related reference - verify configuration: 600821-7530. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 600-821-7220 before ordering?

Match the complete part number, compare the connector or mounting arrangement with your original unit and the recorded specifications, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

EexcavaStart packaging illustration · Not a photograph of this exact part. Exact-unit photo availability is not confirmed; send your original part number and unit photos with your inquiry.

OEM / reference600-821-7220

SpecificationAlternator

Catalog ID91001373

Product Type: Alternator
Supply Brand: EexcavaStart
Equipment Brand: Komatsu
Catalog Classification: Alternator A. (35A),(See Fig.A6010-B2D3)
Application Records: 41
Condition: New replacement part
Gallery Representation: EexcavaStart neutral packaging illustration; actual product photograph pending
Reference limitation: Confirm original-unit ratings, mounting, connections and equipment serial range; related numbers do not guarantee universal interchange.

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

Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.

Part-number relationships

Relationship	Reference family	Number
Primary Part Number	Product reference; supplied-unit verification pending	600-821-7220
Cross-reference (fitment check required)	KOMATSU	600821-3120
Cross-reference (fitment check required)	KOMATSU	600821-7210
Cross-reference (fitment check required)	KOMATSU	600821-7230
Cross-reference (fitment check required)	KOMATSU	600821-7240
Cross-reference (fitment check required)	KOMATSU	600821-7250
Cross-reference (fitment check required)	KOMATSU	600821-7260
Cross-reference (fitment check required)	KOMATSU	600821-7310
Cross-reference (fitment check required)	KOMATSU	600821-7350
Cross-reference (fitment check required)	KOMATSU	600821-7420
Cross-reference (fitment check required)	KOMATSU	600821-7520
Cross-reference (fitment check required)	KOMATSU	600821-7530
Cross-reference (fitment check required)	KOMATSU	600821-7540
Cross-reference (fitment check required)	KOMATSU	600821-7580
Cross-reference (fitment check required)	KOMATSU	600821-7610
Cross-reference (fitment check required)	KOMATSU	600821-7620
Cross-reference (fitment check required)	KOMATSU	600821-7670
Cross-reference (fitment check required)	KOMATSU	600821-7690
Cross-reference (fitment check required)	KOMATSU	600821-8340
Cross-reference (fitment check required)	KOMATSU	600821-8360
Cross-reference (fitment check required)	KOMATSU	600821-8680
Cross-reference (fitment check required)	KOMATSU	600821-9440
Cross-reference (fitment check required)	KOMATSU	600825-3121
Cross-reference (fitment check required)	KOMATSU	600825-3131
Cross-reference (fitment check required)	KOMATSU	600825-3251
Cross-reference (fitment check required)	KOMATSU	600825-3730
Cross-reference (fitment check required)	KOMATSU	600825-3740
Cross-reference (fitment check required)	KOMATSU	600825-3750
Cross-reference (fitment check required)	KOMATSU	600825-3810
Cross-reference (fitment check required)	KOMATSU	800621-8680
Cross-reference (fitment check required)	LESTER	12258
Cross-reference (fitment check required)	NIKKO	01-35-2001
Cross-reference (fitment check required)	NIKKO	0-33000-5030
Cross-reference (fitment check required)	NIKKO	0-35000-0050
Cross-reference (fitment check required)	NIKKO	0-35000-0200
Cross-reference (fitment check required)	NIKKO	0-35000-0230
Cross-reference (fitment check required)	NIKKO	0-35000-0250
Cross-reference (fitment check required)	NIKKO	0-35000-0260
Cross-reference (fitment check required)	NIKKO	0-35000-0280
Cross-reference (fitment check required)	NIKKO	0-35000-0300
Cross-reference (fitment check required)	NIKKO	0-35000-0310
Cross-reference (fitment check required)	NIKKO	0-35000-0320
Cross-reference (fitment check required)	NIKKO	0-35000-0420
Cross-reference (fitment check required)	NIKKO	0-35000-0431
Cross-reference (fitment check required)	NIKKO	0-35000-0540
Cross-reference (fitment check required)	NIKKO	0-35000-0541
Cross-reference (fitment check required)	NIKKO	0-35000-0551
Cross-reference (fitment check required)	NIKKO	0-35000-0561
Cross-reference (fitment check required)	NIKKO	0-35000-0621
Cross-reference (fitment check required)	NIKKO	0-35000-3000
Cross-reference (fitment check required)	NIKKO	0-35000-3020
Cross-reference (fitment check required)	NIKKO	0-35000-3050
Cross-reference (fitment check required)	NIKKO	0-35000-3150
Cross-reference (fitment check required)	NIKKO	0-35000-3180
Cross-reference (fitment check required)	NIKKO	0-35000-3184
Cross-reference (fitment check required)	NIKKO	0-35000-3220
Cross-reference (fitment check required)	NIKKO	0-35000-3240
Cross-reference (fitment check required)	NIKKO	0-35000-3280
Cross-reference (fitment check required)	NIKKO	0-35000-3420
Cross-reference (fitment check required)	NIKKO	0-35000-3470
Cross-reference (fitment check required)	NIKKO	0-35000-7310
Cross-reference (fitment check required)	SAWAFUJI	0214-152-0510

Product fitment guide

Part numbers and compatible models

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

Part identification

Reference numbers

Primary number

600-821-7220

Cross-reference (fitment check required)

600821-3120
600821-7210
600821-7230
600821-7240
600821-7250
600821-7260
600821-7310
600821-7350
600821-7420
600821-7520
600821-7530
600821-7540
600821-7580
600821-7610
600821-7620
600821-7670
600821-7690
600821-8340
600821-8360
600821-8680
600821-9440
600825-3121
600825-3131
600825-3251
600825-3730
600825-3740
600825-3750
600825-3810
800621-8680
12258
01-35-2001
0-33000-5030
0-35000-0050
0-35000-0200
0-35000-0230
0-35000-0250
0-35000-0260
0-35000-0280
0-35000-0300
0-35000-0310
0-35000-0320
0-35000-0420
0-35000-0431
0-35000-0540
0-35000-0541
0-35000-0551
0-35000-0561
0-35000-0621
0-35000-3000
0-35000-3020
0-35000-3050
0-35000-3150
0-35000-3180
0-35000-3184
0-35000-3220
0-35000-3240
0-35000-3280
0-35000-3420
0-35000-3470
0-35000-7310
0214-152-0510

Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.

Product summary

Alternator

Category: Alternators
Catalog ID: 91001373
Illustration 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

Machine models: GD663A-2
Engine models: 6D125-1Z

Fitment / evidence notes

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 600-821-7220

Which machines use 600-821-7220?

Recorded compatible model references include Machine models: GD663A-2, Engine models: 6D125-1Z. Recorded fitment/evidence notes: 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 600-821-7220?

Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable.

How do I confirm 600-821-7220 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.