... ] great performance on power Main parameters of HOWO 6x4 Concrete Mixer Truck: 1.Engine: 290hp ,336hp, 371hp 2.Transmission: ... 12.00-20,12.00R20, 12.00R22.5 6.Mixer volume: 7m3, 8m3, 9m3, 10m3 7.Color: red, green, white ... Ltd is an integrated company specialized in heavy duty truck sales, accessories supply, vehicle maintenance, repair and ... .If any interest, please contact me. Concrete Mixer Truck 6x4