Excavator Starter Motors

428000-7090 12V 2.7kW 10-Tooth CW Starter Motor for Cummins ISF and QSB Engines

Q: What numbers are documented for 428000-7090?

Primary Part Number: 428000-7090. Manufacturer / OEM Reference: 4996706. Manufacturer / OEM Reference: 50350436. Manufacturer / OEM Reference: 5128000980. Manufacturer / OEM Reference: 428000-7091. Manufacturer / OEM Reference: 428000-7092. Manufacturer / OEM Reference: 438000-3110. Catalog Cross-Reference: 16096N. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 428000-7090 before ordering?

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

Brand illustration · Exact product photo available on request.

OEM / reference428000-7090

Specification12V 2.7kW Starter Motor

Catalog ID91003298

428000-7090 is cataloged as a starter motor with 12V, 2.7kW, 10, CW. Exact supplied application data includes Cummins ISF2.8 (2.8L engine family). Confirm the complete part number, mounting pattern, terminals, rotation, pinion and machine serial range before shipment. The displayed EexcavaStart package is a catalog illustration, not a photograph of the supplied product.

Product Type: Starter Motor
Design: PLGR
Voltage: 12V
Pinion Teeth: 10
Condition: New replacement part
Power: 2.7kW
Rotation: CW
Gallery Representation: EexcavaStart neutral packaging illustration; exact product photo available on request

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

Part-number relationships

Relationship	Reference family	Number
Primary Part Number	Primary identity used for this catalog page	428000-7090
Manufacturer / OEM Reference	Listed under Cummins	4996706
Manufacturer / OEM Reference	Listed under the exact-reference catalog	50350436
Manufacturer / OEM Reference	Listed under the exact-reference catalog	5128000980
Manufacturer / OEM Reference	Listed under the exact-reference catalog	428000-7091
Manufacturer / OEM Reference	Listed under the exact-reference catalog	428000-7092
Manufacturer / OEM Reference	Listed under the exact-reference catalog	438000-3110
Catalog Cross-Reference	Exact-reference catalog number	16096N

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

428000-7090

Manufacturer number

4996706
50350436
5128000980
428000-7091
428000-7092
438000-3110

Other documented relationship

16096N

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

Product summary

12V 2.7kW Starter Motor

Category: Excavator Starter Motors
Catalog ID: 91003298
Photo views: 1

Before ordering

Confirm these details

Confirm voltage and power rating against the original starter nameplate.
Compare mounting-hole pattern, flange position and overall body orientation.
Confirm pinion tooth count and rotation where those values are specified.
Verify the engine model and machine serial range before ordering.

Machine fitment

Compatible model references

7 model references

Cummins ISF2.8: 2.8L engine family
Cummins ISF3.8: 3.8L engine family
Cummins QSB3.9-30: 3.9L engine family
Cummins QSB4.5 / QSB4.5-30: 4.5L engine family
Cummins QSB5.9 / QSB5.9-30 / QSB5.9-44: 5.9L engine family
Cummins QSB6.7: 6.7L engine family
Fitment limitation: Confirm the exact number, nameplate, mounting, terminal layout, rotation and pinion teeth against the original starter 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 428000-7090

Which machines use 428000-7090?

Recorded compatible model references include Cummins ISF2.8: 2.8L engine family, Cummins ISF3.8: 3.8L engine family, Cummins QSB3.9-30: 3.9L engine family, Cummins QSB4.5 / QSB4.5-30: 4.5L engine family, Cummins QSB5.9 / QSB5.9-30 / QSB5.9-44: 5.9L engine family, Cummins QSB6.7: 6.7L engine family, Fitment limitation: Confirm the exact number, nameplate, mounting, terminal layout, rotation and pinion teeth against the original starter before shipment. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 428000-7090?

Manufacturer number: 4996706, 50350436, 5128000980, 428000-7091, 428000-7092, 438000-3110.

How do I confirm 428000-7090 before ordering?

Confirm voltage and power rating against the original starter nameplate. Compare mounting-hole pattern, flange position and overall body orientation. Confirm pinion tooth count and rotation where those values are specified. Send clear photos of the original unit and connector layout when requesting a quote.