Starter Motors

028000-3970 12V 4.0kW Starter Motor for John Deere 340D, 344E and 410B

Q: What numbers are documented for 028000-3970?

Primary Part Number: 028000-3970. Formatted Alias: 0280003970. Independent Catalog Number: 16644N. Cataloged Manufacturer Family: DENSO. Industry Catalog Number: 16644. Cataloged Replacement-Reference Family: Denso 028000-3970, 028000-3971, John Deere AR63341, SE01421, SE501415, TY25961, TY6613, TY6712, Original Reference Number 48212645, SDN301A. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 028000-3970 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.

028000-3970 12V 4.0kW Starter Motor for John Deere 340D, 344E and 410B, OEM/reference 028000-3970, Starter Motor, product view 1

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OEM / reference028000-3970

SpecificationStarter Motor

Catalog ID66576953

Product Type: Starter Motor
Voltage: 12 V
Rated Power: 4.0 kW
Pinion Teeth: 10
Rotation: CW
Design Family: DD
Condition: New replacement part
Drive Design Note: Official catalog notes a new-style 11-tooth replacement design for the older 10-tooth unit; confirm the supplied pinion.

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

Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.

Part-number relationships

Relationship	Reference family	Number
Primary Part Number	Exact reviewed reference	028000-3970
Formatted Alias	Same reference without punctuation; not a separate interchange	0280003970
Independent Catalog Number	Catalog cross-reference number; not an OEM number	16644N
Cataloged Manufacturer Family	Manufacturer family stated by the official record	DENSO
Industry Catalog Number	Independent cross-reference only	16644
Cataloged Replacement-Reference Family	Official grouped replacement family; confirm manufacturer context and suffix before substitution	Denso 028000-3970, 028000-3971, John Deere AR63341, SE01421, SE501415, TY25961, TY6613, TY6712, Original Reference Number 48212645, SDN301A

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

028000-3970

Manufacturer number

DENSO

Formatting alias

0280003970

Other documented relationship

16644N
16644
Denso 028000-3970, 028000-3971, John Deere AR63341, SE01421, SE501415, TY25961, TY6613, TY6712, Original Reference Number 48212645, SDN301A

Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.

Product summary

Starter Motor

Category: Starter Motors
Catalog ID: 66576953
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

John Deere published applications — group 1: 340D (1984-1988) — 276 Diesel / 344E (1988-1995) — 4045D, 4.5L John Deere Diesel / 410B (1971-1980, 1981-1986) — Diesel Engines; 4219D John Deere Diesel / 410C (1985-1992) — 4276 John Deere Diesel / 415B (1983-1986) — 4239D John Deere Diesel / 4276D / T (1982-1986) / 440C (1976-1984) — 4276 John Deere Diesel / 440D (1984-1992) — 4276 John Deere Diesel
John Deere published applications — group 2: 444E (1988-1995) — 4045T John Deere Diesel / 448D (1984-1985) — Diesel / 450G (1993-2005) — 4045T John Deere Diesel / 455G (1993-2005) — 4045T John Deere Diesel / 510B (1975-1992) — 4276D John Deere Diesel / 510C (1987-1992) — 4276T John Deere Diesel / 515B (1983-1986) — 4239 John Deere Diesel / 540B (1976-1981) — 276 Diesel
John Deere published applications — group 3: 540D (1985-1992) — Diesel / 548D (1985-1992) — Diesel / 550 (1976-1984) — 550 John Deere Diesel / 550A (1982-1985) — 550A John Deere Diesel / 550B (1986-1988) — John Deere 300 Series / 550G (1993-2005) — 4045T John Deere Diesel / 555 (1974-1981) — Various / 555A (1982-1985) — Various
John Deere published applications — group 4: 555B (1985-1992) — 4279T John Deere Diesel / 555G (1993-2001, 2002) — 4279T John Deere Diesel; 4045T John Deere Diesel / 610B (1981-1986) — 4276 John Deere Diesel / 610C (1981-1989) — 4276 John Deere Diesel / 640 (1975-1985) — 414 Diesel / 640D (1985-1992) — 414 Diesel / 648D (1985-1992) — 6068 Engine / 650G (1993-2005) — 4045T John Deere Diesel
John Deere published applications — group 5: 710B (1982-1989) — John Deere 300 Series / 710C (1983-1986, 1989-1993) — 6059T John Deere Diesel / 710D (1990-1992) — 6059T John Deere Diesel

Fitment / evidence notes

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 028000-3970

Which machines use 028000-3970?

Recorded compatible model references include John Deere published applications — group 1: 340D (1984-1988) — 276 Diesel / 344E (1988-1995) — 4045D, 4.5L John Deere Diesel / 410B (1971-1980, 1981-1986) — Diesel Engines; 4219D John Deere Diesel / 410C (1985-1992) — 4276 John Deere Diesel / 415B (1983-1986) — 4239D John Deere Diesel / 4276D / T (1982-1986) / 440C (1976-1984) — 4276 John Deere Diesel / 440D (1984-1992) — 4276 John Deere Diesel, John Deere published applications — group 2: 444E (1988-1995) — 4045T John Deere Diesel / 448D (1984-1985) — Diesel / 450G (1993-2005) — 4045T John Deere Diesel / 455G (1993-2005) — 4045T John Deere Diesel / 510B (1975-1992) — 4276D John Deere Diesel / 510C (1987-1992) — 4276T John Deere Diesel / 515B (1983-1986) — 4239 John Deere Diesel / 540B (1976-1981) — 276 Diesel, John Deere published applications — group 3: 540D (1985-1992) — Diesel / 548D (1985-1992) — Diesel / 550 (1976-1984) — 550 John Deere Diesel / 550A (1982-1985) — 550A John Deere Diesel / 550B (1986-1988) — John Deere 300 Series / 550G (1993-2005) — 4045T John Deere Diesel / 555 (1974-1981) — Various / 555A (1982-1985) — Various, John Deere published applications — group 4: 555B (1985-1992) — 4279T John Deere Diesel / 555G (1993-2001, 2002) — 4279T John Deere Diesel; 4045T John Deere Diesel / 610B (1981-1986) — 4276 John Deere Diesel / 610C (1981-1989) — 4276 John Deere Diesel / 640 (1975-1985) — 414 Diesel / 640D (1985-1992) — 414 Diesel / 648D (1985-1992) — 6068 Engine / 650G (1993-2005) — 4045T John Deere Diesel, John Deere published applications — group 5: 710B (1982-1989) — John Deere 300 Series / 710C (1983-1986, 1989-1993) — 6059T John Deere Diesel / 710D (1990-1992) — 6059T John Deere Diesel. Recorded fitment/evidence notes: 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 028000-3970?

Manufacturer number: DENSO. Formatting aliases for the same number: 0280003970.

How do I confirm 028000-3970 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.