In many cases it is necessary to identify the Perkins® Engine Number in
      order to ascertain the correct engine kit for an application. All Perkins®
      Engines should contain one of the two following formats for engine
      numbering (dependent on the year of manufacture):

      Pre 1978 Engine Numbers: 

      This system, which consists of a maximum of 13 digits, was used from
      1966 to 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:
 
    


                         Where to find your Engine Number

    


                             Engine Family  /  Type Code