The four-wheel design of the C.A.G portable concrete mixers are powered by a 6.5HP petrol engine or 6HP diesel engine. Its 350L feed capacity concrete mixers can produce concrete at 30 RPM and are easily rolled nearly anywhere with their Four-wheel design. C.A.G concrete mixers are easy to use and suitable for mixing all kinds of building materials. They are particularly well-suited for concrete screed, plaster, and mortar etc.