Built for the Carnegie-Illinois-Steel Corp.’s Irvin Works, this 1937 GMC Model T46-S wears a Model SSC-11 steel dump body and 5L Heil hydraulic hoist installed by Mayer Truck Equipment. The dump body was constructed of 8-gauge steel with a double-acting tailgate and a length of 144 inches, width of 84 inches and 24-inch-tall sides with bracing. The rig featured full-length mudboards and dark green paint on the cab and dump body.