The Klutch 3.5 Cubic Ft. Portable Cement Mixer features an easy-to-clean polypropylene drum with 3.5 cu. ft. drum capacity and 1.77 cu. ft. mixing capacity. Mixer rolls on flat-free tires that never need to be inflated. Tire Type Flat-free, Speed RPM 1,720, Drum Opening in. 13.8, 50-lb. Bag Capacity qty. 4 1/2, Wet Material Volume cu. ft. 1.77, HP 1/2, Drum Diameter in. 21 7/10, Volts 120, Overall Dimensions L x W x H in. 46 1/2 x 24 13/16 x 36 1/4, Empty Drum Volume cu. ft. 3.5, Pre-Mix Weight Capacity lbs. 225, Drum Material Type Poly, Weight Capacity lbs. 260, Tire Size in. 13 x 4, Drum Speed RPM 26. Easy-to-clean polypropylene drum 3.5 cu. ft. drum capacity 1.77 cu. ft. mixing capacity Holds up to 225 lbs. of premix Easy-to-clean poly drum 1/2 HP, 120V, 1720 RPM electric motor Includes 13in. x 4in. flat-free tires Overall 46 1/2in.L x 24 13/16in.W x 36 1/4in.H