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Excavator Starter Motors

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

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

028000-3970 is an exact product reference in the reviewed official electrical catalog. The catalog specifies 12V, 4.0kW, CW, DD for selected John Deere 340D, 344E, 410B applications. The same catalog lists a 10-tooth quantity while explicitly noting a new-style 11-tooth replacement design for the older 10-tooth unit; the supplied pinion must be confirmed. 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
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.

Part-number relationships

RelationshipReference familyNumber
Primary Part NumberExact reviewed reference028000-3970
Formatted AliasSame reference without punctuation; not a separate interchange0280003970
Independent Catalog NumberCatalog cross-reference number; not an OEM number16644N
Cataloged Manufacturer FamilyManufacturer family stated by the official recordDENSO
Industry Catalog NumberIndependent cross-reference only16644
Cataloged Replacement-Reference FamilyOfficial grouped replacement family; confirm manufacturer context and suffix before substitutionDenso 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. Related assemblies and remanufactured numbers are not presented as direct interchanges.

Product summary

Starter Motor

Category
Excavator 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

6 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 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, 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.

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