may refer to an identification number marked on the engine of a vehicle or, in the case of
, to the Running number
of the locomotive. The engine number is separate from the Vehicle Identification Number (VIN).
Every vehicle engine
is marked with an engine number by the factory.
Clymer Repair Manuals (1991
, Intertec Publishing Corporation, Primedia Business Directories & Books, Intertec Publishing.
. ISBN 9780872884489
Seume, Keich (1996
, MotorBooks/MBI Publishing Company.
. ISBN 9780760303146
The engine number includes coded information, which can be decoded to reveal information such as year of manufacture, country of manufacture, and engine type.
The term is also used in train terminology.
In this instance, it refers to the Running number
assigned to motive power by the operator, as opposed to a constructor's or builder's number (equivalent to a vehicle VIN number).
Aircraft engine position number