... III emission control regulationsImported hydraulic system with dual pump and dual circuit, stable work performance, fast ... work performanceImported hydraulic components, Japan made TOSHIBA main pump, Japan made KYB multi-circuit valve, swing motor ... mmMAX dozer lifting height 310 mmHYDRAULIC SYSTEMMAIN PUMP AXIAL PISTON PUMP2 PUMP 2 CIRCUIT HYDRAULIC SYSTEMWITH CONSTANT HORSEPOWER CONTROLFLOW ...