유압 오일 기어 펌프 용 핫 판매 불도저 D61 705-51-20640_Excavator 유압 장치, 디젤 엔진, SKS 유압

부품 번호 705-51-20640

Pump Type Gear pump (positive displacement)

Displacement ~30 cm³/rev (typical)

정격 압력 21 MPA (3,046 psi)

최대 압력 25 MPA (3,626 psi)

Rated Speed 1,800–2,200 rpm

최대 속도 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, ISOS 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)

무게 ~22 kg (48.5 파운드)