ONYX Z5 30" Propane Planetary Floor Machine Backpack Vacuums Blue vicious liquid Blue vicious liquid an easy open lid 4000 SqFt per hour per polishing step Power LX700 19hp Propane Engine Head Motion Active (Driven) Triple Planetary Working Width 30" Pad Brush Size 11" x 3 Pad Brush Rotational Speed 700 1400 RPM Planetary Ratio 12 Satellite Rotations : 1 Drum Rotation Head Pressure 130 330 lbs Weight Kit 2 x 50 lbs Swing Weights Solution Tank Capacity 12 Gallon Operation Mode Walk Behind Pad Assist Machine Wheels 10 inch Solid Rubber Tread on Solid Aluminum Hub Sound Level Less than 87 dBA Run Time 6 Hours Per 20lb Propane Cylinder Weight 620 lbs Warranty 3 Years this system provides everything needed for efficient and professional floor restoration