The SaltDogg® PRO4000CH is a 4 cubic yard poly hopper spreader with a conveyor chain feed, built for commercial and municipal route work. It mounts to dump trucks and flatbeds rated at a minimum 17,500 lb GVW and handles bulk salt, sand or a 50/50 sand/salt mix. A 14-1/2 in. pintle chain conveyor keeps material moving to an 18 in. spinner that broadcasts 5 to 30 ft. Double-wall poly hopper on a corrosion-resistant stainless steel frame and trough 12V DC electric or hydraulic drive with independent conveyor and spinner motors 3/4 HP chain drive motor and 1/2 HP spinner motor In-cab control of independent auger and spinner speeds; vibrator control on the electric version only Vibrator, top screens, inverted V and tie downs included Backed by a 2 year warranty and made in the USA Specifications Hopper material: Polyethylene, black Trough material: 304 stainless steel Feed mechanism: 14-1/2 in. pintle chain conveyor with 1/4 in. bars Spinner: 18.00 in. polyurethane Spreading width range: 5 to 30 ft System voltage: 12 VDC Gearbox ratio: 20:1 Overall dimensions: 114.80 in. L x 74.00 in. W x 43.50 in. H