Portable Steel Hopper with Power Traction Drive. Reduce worker fatigue and injury with this 1/3 cubic yard Power Traction Drive Hopper. This factory installed option makes portable equipment easy to maneuver with its 240° turning radius, handle grip/throttle and auto reverse. This state-of-the-art option allows a single operator to perform tasks safely and ergonomically. Includes built-in electric drive motor and DC battery with on-board charger. Hopper included. Specs: volume 1/3 cubic yard, capacity 1,500 lbs, overall size 23-1/2"x49-1/4"x38-1/4", maximum speed 3mph.