When the Pacific War ended, Datsun would turn to providing trucks for the Occupation forces. This lasted until car production resumed in 1947. As before the war, Datsun closely patterned their cars on contemporary Austin products: postwar, the Devon and Somerset were selected. For Datsun's smaller cars (and trucks), such as the DB and DS series, they depended on designs based on the pre-war Austin Seven. The heavier trucks, meanwhile, were based on Chevrolet's 1937 design with an engine of Graham-Paige design. Nissan also built the 4W60 Patrol, based on the Willys Jeep, and the 4W70 Carrier, based on the Dodge M37. Not until January 1955 did Datsun offer a fully indigenous design.