... 8M3,9M3,10M3,12M3,14M3,16M32. concrete mixer truck drive type: 4x2,4x4,6x4, 6x6, 8x4, ... 6, 4*43. concrete mixer truck hand drive type: left hand drive , right hand drive 4. Ensure the hydraulic ... oil clean. When concrete mixing truck works in ... water or mud,we should immediately stop the truck and cleaning hydraulic systems, replacement of hydraulic ...