Maintenance Manual for Dodge 3/4 Ton Truck (G502). Dated September 1, 1942. This is a reprint of the official Dodge maintenance manual for the WC-51, WC-52, WC-53, WC-54, WC-56, WC-57 and WC-58 series of 3/4 ton trucks. Everything you need to operate, maintain and rebuild a WW2 Dodge 3/4 Ton.