Gas-Powered Concrete Mixer Product Type Concrete Mixer Materials for Use With Mortar Concrete Drum Capacity 6 cu ft Drum Material Polyethylene Maximum Mixing Volume 10 gal Rotation Speed at Load 21 RPM Frame Steel Tubing Power Source Gas-Powered Horsepower 5.5 hp Engine Displacement 196 cc Engine Cycle 4-Cycle Tool Weight 164 lb Tool Height 43 in Tool Length 65 in Tool Width 29 in Axle Type Rigid Drum Diameter 28 in