klutch portable electric cement mixer -3.5 cubic ft. poly drum klutch 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