1941 to 1971: MB, GPW, M38, M38A1, CJ2A, CJ3A, CJ5 & CJ6.
1957 to 1964: FC150 & FC170.
1947 to 1964: Utility Wagons & Trucks.
Identification:The Model 18 has a cast iron case and is gear-driven. The most obvious sign of the Model 18 is the passenger side offset of both the front and rear output yokes. The Model 18 transfer case is the only standard American made unit with such a distinction.