Yes, Having a 2 spd rear axle definitely points it in the direction of being a 2 ton. When you find the ID plate, check it out for a gvw rating. If it's 16000lb.s it's a 2 ton. 14000lb., it's a 1 1/2 ton.
Spanky Hardy Collector Of Fine Old G.M. COE Trucks & Antique Holmes Wreckers
