... emission control regulationsImported hydraulic system with dual pump and dual circuit, stable work performance, fast speed.Guarantee for 3 yrs ... , Japan made TOSHIBA main pump, Japan made KYB multi-circuit valve, swing motor, walking motor, Japan made or South ... 310 mmHYDRAULIC SYSTEMMAIN PUMP AXIAL PISTON PUMP2 PUMP 2 CIRCUIT HYDRAULIC SYSTEMWITH CONSTANT HORSEPOWER CONTROLFLOW/PRESSURE 79.2*2 ...