Excavator Starter Motors

3971610 12V 2.7kW 10-Tooth Starter for Cummins QSB 6.7 Industrial Equipment

Name: 3971610 12V 2.7kW 10-Tooth Starter for Cummins QSB 6.7 Industrial Equipment
Brand: EexcavaStart
SKU: 3971610

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OEM / reference3971610

SpecificationStarter Motor

Catalog ID87583594

3971610 is a Cummins starter reference in the official WAI 19104N replacement family. WAI specifies a new 12-volt, 2.7 kW, clockwise, 10-tooth Denso OSGR starter with wet-clutch construction and a drive-end-housing ground stud. Published applications include Doosan compressors, Dynapac rollers and pavers, Hyster lift equipment and other Cummins QSB 6.7 industrial machines. Confirm number, rating, pinion, flange, ground stud, terminals and serial range.

Product Type: OSGR starter motor
Voltage: 12V
Rated Power: 2.7 kW
Pinion Teeth: 10
Rotation: Clockwise (CW)
Design Family: Denso OSGR
Construction: Wet clutch
Ground Connection: Drive-end-housing ground stud
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

Relationship	Reference family	Number
Primary Cummins Part Number	Official WAI replacement-reference entry	3971610
Cummins Replacement Reference Family	Cataloged replacement references	3971613 / 3971614 / 3971615
Denso Manufacturer Reference Family	Cataloged manufacturer references	428000-2870 / 428000-2900 / 428000-2910 / 428000-2911 / 428000-2920 / 428080-2870 / 428080-2900 / 428080-2910 / 428080-2920
Hyster Equipment Reference	Cataloged equipment reference	1654059
Aftermarket Catalog Number	Official WAI product record	WAI 19104N

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

3971610

Manufacturer number

428000-2870 / 428000-2900 / 428000-2910 / 428000-2911 / 428000-2920 / 428080-2870 / 428080-2900 / 428080-2910 / 428080-2920

Other documented relationship

3971613 / 3971614 / 3971615
1654059
WAI 19104N

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

Product summary

Starter Motor

Category: Excavator Starter Motors
Catalog ID: 87583594
Photo views: 2

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

5 model references

Doosan Industrial Equipment: HP450 / P600 / VHP / XP compressor families
Dynapac Examples: CA510 / CA610 / CA702 rollers and related QSB 6.7 pavers
Additional Equipment: Hyster lift equipment and other Cummins QSB 6.7 industrial applications
Published Engine Family: Cummins QSB 6.7
Fitment Limitation: Confirm 3971610, 12V/2.7kW label, 10-tooth pinion, flange, ground stud, terminals and serial range

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 3971610

Which machines use 3971610?

Recorded compatible model references include Doosan Industrial Equipment: HP450 / P600 / VHP / XP compressor families, Dynapac Examples: CA510 / CA610 / CA702 rollers and related QSB 6.7 pavers, Additional Equipment: Hyster lift equipment and other Cummins QSB 6.7 industrial applications, Published Engine Family: Cummins QSB 6.7, Fitment Limitation: Confirm 3971610, 12V/2.7kW label, 10-tooth pinion, flange, ground stud, terminals and serial range. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 3971610?

Manufacturer number: 428000-2870 / 428000-2900 / 428000-2910 / 428000-2911 / 428000-2920 / 428080-2870 / 428080-2900 / 428080-2910 / 428080-2920.

How do I confirm 3971610 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.