The Studebaker US6 (G630) was a series of ?2.5-ton 6x6 truck manufactured by the Studebaker Corporation and REO Motor Car Company during World War II. 200.000 of them was build ... about 100.000 was delivered to the Soviet Union under Lend-Lease by the USA. The Red Army organized a test of eleven 6x6 "Studebekkers" (as they become referred to in the USSR) which took place between July 1942 and May 1943. Following the end of WWII, the US6 strongly influenced the USSR's design of the ZiS/ZiL-151 truck.