The Willys-Overland CJ-3A was introduced in 1949, and was in production until 1953, when replaced by the CJ-3B. It was powered by Willys' 60 horsepower L-134 Go-Devil four-cylinder engine, with a T-90 transmission and Dana 18 transfer case, a Dana 25 front axle and Dana 41 or 44 rear axle.