... motor, park brake rearaxle, powerful driving, much stable braking system.Hydraulic system is equipped with overloading protection valve, oil supply valve, ... type498PGRated power/speed40KW/2300r/minSteering width2040mmTail turning radius1830mmWheelbase2330mmWheel tread1640mmHydraulic system pressure20MpaBucket capacity0.3m3Reverse speed9r/minGradeability>=30%Maximum excavating force30KNMaximum ...