GEAR Ring - Starter motor (40121149)

EMD Part No.: 8416930DLW Part No.: 16191900

GEAR Ring - Starter motor (40121149)

Application: EMD starter motor drive arrangement

Part of our Gear product line

The Gear Ring - Starter Motor is identified by EMD Part No. 8416930 and DLW Part No. 16191900. EMD parts references identify 8416930 as the Ring Gear, and EMD gear references identify it as a starter-motor ring gear. The supplied description also associates the listing with 40121149. :contentReference[oaicite:19]{index=19}

How This Part Works

The Gear Ring - Starter Motor is the ring gear associated with the starter-motor drive arrangement. It provides the specified toothed engagement surface for the starter-motor drive.

Signs It's Time to Replace

  • Gear-tooth wear: abnormal tooth wear should be assessed
  • Pitting: pitting on the tooth surfaces can affect gear engagement
  • Cracked or damaged teeth: damaged teeth should be evaluated
  • Abnormal starter engagement: changes during starter operation can indicate gear-related concerns
  • Excessive tooth wear: significant deterioration can affect serviceability

Apex identifies the Starter Motor Ring Gear by EMD Part No. 8416930 and DLW Part No. 16191900. The established EMD/DLW reference and starter-motor designation provide clear identification for procurement.

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Engine Compatibility
EMD 645 & EMD 710 Series
Applications
Locomotive · Marine · Power Generation
Quality Standard
ISO 9001:2015 Certified · OEM Grade
GEAR Ring - Starter motor (40121149) – EMD Part No. 8416930 – OEM locomotive engine component
OEM GradeExport QualityReady Stock
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GEAR Ring - Starter motor (40121149) - Part Numbers 8416930 / 16191900

GEAR Ring - Starter motor (40121149)

Part No.
8416930
DLW No.
16191900
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