Excavator Starter Motors

428000-3310 Starter Motor 12V 1.4kW 15-Tooth for Case IH Farmall 25A

Q: What numbers are documented for 428000-3310?

Primary Part Number: 428000-3310. Manufacturer / OEM Reference: 428000-3670. Manufacturer / OEM Reference: 428080-3310. Manufacturer / OEM Reference: 119740-77010. Manufacturer / OEM Reference: 119740-77020. Catalog Cross-Reference: 31021N. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 428000-3310 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 / reference428000-3310

Specification12V 1.4kW Starter Motor

Catalog ID71282945

428000-3310 is cataloged as a starter motor with design OSGR, voltage 12V, power 1.4kW, pinion teeth 15, rotation CW. Exact application data includes Case IH Farmall 25A (2024-2025; Engine L3 1.3L 84cid), with catalog coverage for Case IH (2024-2025), Komatsu (2005-2017), New Holland (2018-2025). Confirm the complete part number, voltage, mounting, terminal layout, rotation and pinion configuration against the original unit before shipment. The displayed EexcavaStart package is a catalog illustration, not a photograph of the supplied product.

Product Type: Starter Motor
Design: OSGR
Voltage: 12V
Power: 1.4kW
Pinion Teeth: 15
Rotation: CW
Condition: New replacement part
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	428000-3310
Manufacturer / OEM Reference	Listed under the exact-reference catalog	428000-3670
Manufacturer / OEM Reference	Listed under the exact-reference catalog	428080-3310
Manufacturer / OEM Reference	Listed under Yanmar	119740-77010
Manufacturer / OEM Reference	Listed under the exact-reference catalog	119740-77020
Catalog Cross-Reference	Exact-reference catalog number	31021N

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

428000-3310

Manufacturer number

428000-3670
428080-3310
119740-77010
119740-77020

Other documented relationship

31021N

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

Product summary

12V 1.4kW Starter Motor

Category: Excavator Starter Motors
Catalog ID: 71282945
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

12 model references

Case IH Farmall 25A: 2024-2025; Engine L3 1.3L 84cid
Case IH Farmall 25A: 2024-2025; Engine L3 1.3L 84cid Mitsubishi
Case IH Farmall 25SC: 2024-2025; Engine L3 1.3L 77cid 3TNV80F
Case IH Farmall 25SC: 2024-2025; Engine L3 1.3L 77cid Yanmar 3TNV80F
Komatsu PC20MR-2: 2005-2011; Engine L3 1.1L 68cid 3D76E-5N-BA
Komatsu PC20MR-2: 2005-2011; Engine L3 1.1L 68cid Komatsu 3D76E-5N-BA
Komatsu PC20MR-3: 2008-2017; Engine L3 1.1L 68cid 3D76E-6
Komatsu PC20MR-3: 2008-2017; Engine L3 1.1L 68cid Komatsu 3D76E-6
New Holland Workmaster 25S: 2018-2025; Engine L3 1.3L 77cid 3TNV80F
New Holland Workmaster 25S: 2018-2025; Engine L3 1.3L 77cid Yanmar 3TNV80F
Catalog coverage: Case IH (2024-2025) ** Komatsu (2005-2017) ** New Holland (2018-2025)
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 428000-3310

Which machines use 428000-3310?

Recorded compatible model references include Case IH Farmall 25A: 2024-2025; Engine L3 1.3L 84cid, Case IH Farmall 25A: 2024-2025; Engine L3 1.3L 84cid Mitsubishi, Case IH Farmall 25SC: 2024-2025; Engine L3 1.3L 77cid 3TNV80F, Case IH Farmall 25SC: 2024-2025; Engine L3 1.3L 77cid Yanmar 3TNV80F, Komatsu PC20MR-2: 2005-2011; Engine L3 1.1L 68cid 3D76E-5N-BA, Komatsu PC20MR-2: 2005-2011; Engine L3 1.1L 68cid Komatsu 3D76E-5N-BA, Komatsu PC20MR-3: 2008-2017; Engine L3 1.1L 68cid 3D76E-6, Komatsu PC20MR-3: 2008-2017; Engine L3 1.1L 68cid Komatsu 3D76E-6 and 4 additional models shown on this page. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 428000-3310?

Manufacturer number: 428000-3670, 428080-3310, 119740-77010, 119740-77020.

How do I confirm 428000-3310 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.