buy 705-56-34040 Hydraulic Pump for Wheel Loader Parts WA400-5 WA380-5 Hydraulic Gear Pump_Excavator Hydraulics, Diesel Engine, SKS Hydraulic

Part Number 705-56-34040

Pump Type Gear pump

Displacement ~125 cm³/rev (typical)

Rated Pressure 28 MPa (4,061 psi)

Maximum Pressure 35 MPa (5,076 psi)

Rated Speed 1,600–1,900 rpm

Maximum Speed 2,400 rpm

Rotation Direction Clockwise (CW, viewed from drive end)

Volumetric Efficiency ≥92%

Mechanical Efficiency ≥90%

Total Efficiency ≥85%

Fluid Type Hydraulic oil (Komatsu L-HM 46, ISO VG 46)

Fluid Temperature Range -20°C to +110°C (-4°F to 230°F)

Viscosity Range 12–420 cSt (at 40°C)