... Overall dimension: 9020*2500*3900mm Wheelbase: 3650+1350mm 12CBM Dongfeng concrete mixer truck1,with CCC certaficate2,through the ISO20013,mixing drum ... .00R20Electric Systemnegative groundedworking voltage24VAlternator70A /28VBatteries6-QAW-165Fuel tankvolume240L 12CBM Dongfeng concrete mixer truck