Excavator Starter Motors

M009T71779 12V 4.6kW 10-Tooth Starter for Cummins ISB/QSB 6.7

Name: M009T71779 12V 4.6kW 10-Tooth Starter for Cummins ISB/QSB 6.7
Brand: EexcavaStart
SKU: M009T71779

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OEM / referenceM009T71779

SpecificationStarter Motor

Catalog ID78130181

M009T71779 is a Mitsubishi starter reference in the official WAI 6809N replacement family. WAI specifies a new 12-volt, 4.6 kW, clockwise, 10-tooth Delco 38MT PLGR starter with an integral magnetic switch and the solenoid positioned at 315 degrees. Published applications cover industrial, off-road and heavy-vehicle equipment using Cummins ISB, QSB or B6.7 engines. Confirm the complete number, rating, pinion, flange, switch, solenoid clocking and terminals.

Product Type: PLGR starter motor
Voltage: 12V
Rated Power: 4.6 kW
Pinion Teeth: 10
Rotation: Clockwise (CW)
Design Family: Delco 38MT PLGR
Magnetic Switch: Integral magnetic switch (IMS)
Solenoid Position: 315 degrees
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 Mitsubishi Part Number	Official WAI replacement-reference entry	M009T71779
Cummins Equipment Reference	Cataloged equipment reference	3965281
Delco Manufacturer Reference Family	Cataloged manufacturer references	19026031 / 8200023 / 8200077 / 8200235 / 8201039
Ford Equipment Reference	Cataloged equipment reference	8C4Z-11002-BA
Kenworth Equipment Reference Family	Cataloged equipment references	D61-6002-006 / D61-6005-004
Additional Catalog References	Catalog cross-reference only	PC1779 / A8200011-001 / ST9354-01
Aftermarket Catalog Number	Official WAI product record	WAI 6809N

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

M009T71779

Manufacturer number

19026031 / 8200023 / 8200077 / 8200235 / 8201039

Other documented relationship

3965281
8C4Z-11002-BA
D61-6002-006 / D61-6005-004
PC1779 / A8200011-001 / ST9354-01
WAI 6809N

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: 78130181
Photo views: 3

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

3 model references

Published Engine Families: Cummins ISB 6.7 / QSB 6.7 / B6.7
Published Equipment Types: Industrial, off-road, terminal tractor, bus and medium-duty vehicle applications
Fitment Limitation: Confirm M009T71779, 12V/4.6kW label, 10-tooth pinion, flange, IMS, 315-degree solenoid position and terminals

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 M009T71779

Which machines use M009T71779?

Recorded compatible model references include Published Engine Families: Cummins ISB 6.7 / QSB 6.7 / B6.7, Published Equipment Types: Industrial, off-road, terminal tractor, bus and medium-duty vehicle applications, Fitment Limitation: Confirm M009T71779, 12V/4.6kW label, 10-tooth pinion, flange, IMS, 315-degree solenoid position and terminals. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for M009T71779?

Manufacturer number: 19026031 / 8200023 / 8200077 / 8200235 / 8201039.

How do I confirm M009T71779 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.