YA00053235 K3V280 Main Pump EX1200-6 ZX870-3 ZX670-3 ZX850-3 ZX650-3 Excavator Parts Hydraulic Pump for Hitachi

Taper: Variable-displacement axial piston pump with parallel dual-pump configuration (two independent pumps + gear pump), designed for continuous high-pressure operation global.kawasaki.com.

Drive Method: Directly driven by the engine via a SAE J744 splined shaft coupling, ensuring robust torque transmission at 1,800–2,000 RPM .

Control System: Equipped with Load-sensing (LS) control and pressure compensation, enabling energy-efficient operation under varying workloads. Features electronic engine-pump coordination for seamless integration with Hitachi’s HIOS IV system global.kawasaki.com.

OEM Part Numbers: YA00053235 (main pump assembly), cross-referenced with Kawasaki’s K3V280 for component-level compatibility .