buy Bulldozer D65 Hydraulic Gear Pump Pilot Pump 705-51-20370_Excavator Hydraulics, Diesel Engine, SKS Hydraulic

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)