Floor Machine RM Line 175 RPM 17in. The Lightest Full Size Floor Machine in the Industry. Brush speed: 175 RPM. Motor: 1.5 h. Power Cord: 50 ft. 50″H X 28″ X 21. Net weight: 81 lb. Shroud: Polyethylene. Chassis: Polyethylene. Transmission: Triple planetary all steel gears. The Koblenz RM-1715 Heavy Duty Industrial Floor Machine features 17 Pad Driver, 175 RPM, 1.5 HP, triple planetary all steel gears, durable polyethylene chasis and shroud. With non marking, sealed, double ball bearing wheels and wrap around bumper.