Excavator Starter Motors

028000-5662 12V 2.5kW 15-Tooth Starter Motor for John Deere 1050, 1250 and 1450

Q: What numbers are documented for 028000-5662?

Primary Part Number: 028000-5662. Formatted Alias: 0280005662. Independent Catalog Number: 16656N. Cataloged Manufacturer Family: DENSO. Industry Catalog Number: 16656. Cataloged Replacement-Reference Family: Denso 028000-5660, 028000-5661, 028000-5662, 128000-0790, 128000-0791, 128000-0792, 128000-0793, John Deere CH12096, CH19285, SE501448, TY6649, TY6674, TY6716, Toyota 28100-42160, 28100-42160-71, Yanmar 121420-77010, 121420-77011. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 028000-5662 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.

028000-5662 12V 2.5kW 15-Tooth Starter Motor for John Deere 1050, 1250 and 1450, OEM/reference 028000-5662, Starter Motor, product view 1

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OEM / reference028000-5662

SpecificationStarter Motor

Catalog ID77782833

028000-5662 is an exact product reference in the reviewed official electrical catalog. The catalog specifies 12V, 2.5kW, 15-tooth, CW, OSGR for selected John Deere 1050, 1250, 1450 applications. Compare the complete reference, electrical label, mounting, terminals, drive or pulley and the retained EexcavaStart product photographs with the original unit before ordering.

Product Type: Starter Motor
Voltage: 12 V
Rated Power: 2.5 kW
Pinion Teeth: 15
Rotation: CW
Design Family: OSGR
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 Part Number	Exact reviewed reference	028000-5662
Formatted Alias	Same reference without punctuation; not a separate interchange	0280005662
Independent Catalog Number	Catalog cross-reference number; not an OEM number	16656N
Cataloged Manufacturer Family	Manufacturer family stated by the official record	DENSO
Industry Catalog Number	Independent cross-reference only	16656
Cataloged Replacement-Reference Family	Official grouped replacement family; confirm manufacturer context and suffix before substitution	Denso 028000-5660, 028000-5661, 028000-5662, 128000-0790, 128000-0791, 128000-0792, 128000-0793, John Deere CH12096, CH19285, SE501448, TY6649, TY6674, TY6716, Toyota 28100-42160, 28100-42160-71, Yanmar 121420-77010, 121420-77011

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

028000-5662

Manufacturer number

DENSO

Formatting alias

0280005662

Other documented relationship

16656N
16656
Denso 028000-5660, 028000-5661, 028000-5662, 128000-0790, 128000-0791, 128000-0792, 128000-0793, John Deere CH12096, CH19285, SE501448, TY6649, TY6674, TY6716, Toyota 28100-42160, 28100-42160-71, Yanmar 121420-77010, 121420-77011

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: 77782833
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

2 model references

John Deere published applications: 1050 (1978-1989, 1978-1990, 1980-1988) — Yanmar 3T90 Diesel; 3T90 Yanmar; Yanmar Engines / 1250 (1978-1990, 1982-1989) — 3T90 Yanmar; Yanmar 3T90 Diesel / 1450 (1982-1989) — Yanmar 3T90 Diesel / 1650 (1982-1989) — Yanmar 3T90 Diesel / 950 (1978-1983, 1978-1990, 1984-1988) — Yanmar Engines; 3T90 Yanmar
Fitment limitation: Confirm the complete part number, electrical rating, rotation, drive or pulley, mounting, terminals and equipment serial range before ordering.

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 028000-5662

Which machines use 028000-5662?

Recorded compatible model references include John Deere published applications: 1050 (1978-1989, 1978-1990, 1980-1988) — Yanmar 3T90 Diesel; 3T90 Yanmar; Yanmar Engines / 1250 (1978-1990, 1982-1989) — 3T90 Yanmar; Yanmar 3T90 Diesel / 1450 (1982-1989) — Yanmar 3T90 Diesel / 1650 (1982-1989) — Yanmar 3T90 Diesel / 950 (1978-1983, 1978-1990, 1984-1988) — Yanmar Engines; 3T90 Yanmar, Fitment limitation: Confirm the complete part number, electrical rating, rotation, drive or pulley, mounting, terminals and equipment serial range before ordering.. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 028000-5662?

Manufacturer number: DENSO. Formatting aliases for the same number: 0280005662.

How do I confirm 028000-5662 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.