B61CLevel 3
LOCOMOTIVES
**Definition:** This place covers:
General design features or items of locomotives and motor railcars, and non-electric features of electric locomotives. Locomotive or motor railcars are vehicles that pulls other vehicles and are provided with a drive unit.
**Limiting references (this place does not cover):** - Frames or bogies -> B61F - Special railroad equipment for locomotives -> B61J , B61K
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