hot sale Bulldozer D61 for Hydraulic Oil Gear Pumps 705-51-20640_Excavator Hydraulics, Diesel Engine, SKS Hydraulic

Numéro de pièce 705-51-20640

Pump Type Gear pump (positive displacement)

Displacement ~30 cm³/rev (typical)

Pression nominale 21 MPa (3,046 psi)

Pression maximale 25 MPa (3,626 psi)

Rated Speed 1,800–2,200 rpm

Maximum Speed 2,500 rpm

Rotation Direction Clockwise (CW, from drive end)

Volumetric Efficiency ≥88%

Mechanical Efficiency ≥85%

Total Efficiency ≥75%

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

Fluid Temperature Range -20°C to +90°C (-4°F to 194°F)

Viscosity Range 15–400 cSt (at 40°C)

Inlet/Outlet Port Size SAE 12 (1.5" NPT)

Mounting Type SAE flange (direct mount to transmission or engine)

Poids ~22 kg (48.5 lbs)