Part Number 705-51-20370
Pump Type Gear pump (positive displacement)
Displacement ~10 cm³/rev (typical)
Rated Pressure 3.5 MPa (508 psi)
Maximum Pressure 5 MPa (725 psi)
Rated Speed 1,500–1,800 rpm
Maximum Speed 2,000 rpm
Rotation Direction Clockwise (CW, as viewed from drive end)
Volumetric Efficiency ≥85%
Mechanical Efficiency ≥80%
Total Efficiency ≥70%
Fluid Type Hydraulic oil (Komatsu L-HM 46 or equivalent, ISO VG 46)
Fluid Temperature Range -15°C to +80°C (5°F to 176°F)
Viscosity Range 20–300 cSt (at 40°C)
Inlet/Outlet Port Size SAE 8 (1.0" NPT)
Mounting Type SAE flange (direct mount to main pump housing or transmission)
Weight ~8 kg (17.6 lbs)
