1975 RO Stinger TC-120-4, Tractor Mounted, 10 Ton, 48 3 Section Boom, No Jib, Main Winch, A-Frame Front And Rear Outriggers. Mounted Behind The Cab Of A Kenworth Tractor, Cummins 350 DSL, 10 SPD RR Trans, With Adjustable Fifth Wheel.