road roller Operating mass:12000kg Diesel: Cummins 6BT5.9 Drive: hydraulic double drive Certification:CE Hydraulic double drive and single drum vibratory rollers 12tonsHydrostatic rear wheel drive, CVT, hydraulic vibration with dual amplitude, hydraulic articulated steering, special driving axle;driving and vibration system:imported SAUER or REXROTH piston-pump andmotor, and high-pressure pipe ...