The Toyota FA and BA were heavy duty trucks introduced in February 1954. They were facelifted versions of the earlier BX/FX trucks, retaining those trucks Type B and Type F six-cylinder petrol engines. The first letter in the model name indicates the engine family fitted; in 1957 the Type D diesel engine was introduced in a model known as the DA. The second letter indicated the size of the truck, with shorter medium duty versions being coded BC/FC/DC. A second letter "B" was used on bus versions of this chassis. A second generation FA/DA was introduced in 1964 and was built in Japan until 1980, when Hino replaced Toyota's heavier truck lines entirely. The DA, however, was also built in numerous other countries and manufacture continued into the first decade of the 21st century.