For a durable, powerful floor machine in an economical package. Precision-balanced for easy operation and manoeuvrability, it scrubs, strips, spray buffs, polishes and shampoos.?Repair and restore worn floor finish in high traffic areas without using chemicals. High-torque, capacitor-type, 66-frame motor, straight-line, planetary double or triple idler gear system, mechanical safety lock-out switch prevents accidental starts, and large 5" diameter wheels for easy transport. Ideal for schools, office buildings, and other facilities. 20". 66-frame motor. 5" diameter wheels.