The Toyota C engine family was a series of inline-4 diesel engines. There were two earlier generations of an engine Toyota named as the "Type C". The first generation was introduced in 1940 as a modification of the Type A engine. This first "Type C" was installed in the Toyota AE. The second generation was the first diesel engine at 1500cc used in the CS20 series 1959 Toyota Crown in October 1959. Japanese market vehicles with diesel engines were exclusive to Toyota Japan dealerships called Toyota Diesel Shop locations from 1979 until the dealership was cancelled in 1988.