The Isuzu TX series truck was built from 1934 until the end of World War 2, then resumed production starting in 1946 until 1979 and was powered by a diesel engine. It was the company's first successful heavy duty truck used in various roles to include firetruck, tank truck, construction, dump truck, and cargo transport. It shared a chassis with the BX series bus, and evolved from the Isuzu Sumida bus that was produced starting in 1929. The TX series had several models based on engine size and payload requirements.