Battery powered rider scrubber with 32 gallon solution tank and 38 gallon recovery tank. Curved break-away swing rear squeegee assembly. 2 settings brush pressure (regular and heavy). 1 HP, 3-stage tangential bypass vacuum motor. Brush speed: 300, 400, and 500 RPM. Wheels: (Front) 3 1/2" x 12" solid w/cross hatch. Wheels: (Rear) 4" x 14" soft ride cross hatch non-marking. Drive motor: 1.2 hp traction drive w/e-mag brake.