Heavy Duty Portable Electric Concrete Cement Mixer BarrelHeavy Duty Portable Electric Concrete Cement Mixer Barrel Looking for a heavy duty concrete mixer that can produce smooth and well mixed concrete after every mixing session? Equipped with a large barrel, our premium cement mixer is capable of working with up to 1. 6 cubic feet of cement without fail. Fitted with a high quality 150 watt motor, the electric cement mixer can quickly and efficiently finish mixing work of different sizes within minutes.