Machine description: Altec DM45, Digger Derrick s/n 0905DV1472, with 45 ft. sheave height, 3 section hyd boom, 2 spd digger, winch, pole guides, and 4 hyd outriggers, rear mounted on 2005 GMC 8500 Utility Truck, 7.2L dies... more info about the GMC 8500.