Klutch 4.1 Cubic Ft. Portable Cement Mixer - 1/2 HP For small to medium-size building projects 4.1 cu. ft. drum capacity 1.94 cu. ft. mixing capacity Holds up to 246 lbs. of premix Powered by 1/2 HP, 120V, 4.2 Amp, 1,720 RPM electric motor