hot sale Genuine New ZX470-5 ZX470-5B Main Pump ZX490-5A Hydraulic Pump FYA00035147 YA00035147

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

Drive Method: Directly driven by the Isuzu 6UZ1 engine (270 kW / 362 HP) 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 .