According to my book the models are C-51 1950-59 Chrysler gas CF-51 1950-59 Chrsler gas F-51 1950-59 Ford 7HNNDH GAS J-51 1950-53 Williys gas LT-50 1950 Chrsyler gas Can't find any in diesel. Walt Davies Cooper Hollow Farm Monmouth, OR 97361 503 623-0460