Below is the information on how to identify your Perkins Engine to help you use our website. Engine serial numbers are usually found on a metal plate fixed to the engine block. The letters and numbers that make up an engine’s model number are a series of codes to tell you the engine family, the number of cylinders, the emissions standard, the type of ignition, the capacity, the type of aspiration and if relevant the generator set rating. All Perkins engines should contain one of the two following formats for engine identification and numbering.
Pre 1978 Engine Numbers:
This system consists of a maximum of 13 digits, this was used from 1966-1978. Another numbering method was used prior to 1966, which utilized a digit number with no reference to engine series.
Current (post 1978) Engine Numbers:
Locate your engine number:
Identify your engine type:
RS: is the family engine, in this case it is 1104A-44T
51277: is the engine build type number or engine order reference