WWII used many Vehicles. Some of those were 1/4-ton truck (4x4)"Jeep", 3/4-ton truck (4x4) Dodge T214-Wc57,and 1/2-ton truck (4x4) Dodge T211-WC116.Also there was M718 ambulance, Harley Davison motorcylce, and 12-ton (6x4) truck.
These trucks were used to carry cargo and personnel. Also artillery and equipment. There were also used for command and reconnaissance.
During the war they had trailers to carry cargo and water. These trailers were 1/4-ton and 1-ton trailers.