... driving, hydraulic-electric proportional infinite displacement, auto-leveling system, automatic-controlled conveyors As the ... -wheel driving, hydraulic-electric proportional infinite displacement, auto-leveling system, automatic-controlled conveyors & augers, and ... Productivity Capacityt/h240Hopper Capacityt12Gradeability%20Pavement Evennessmm/3m3Transverse Leveling Accuracy%±0.03Centre Crown Ratio%0~+ ...