oem Excavator Parts 708-1s-00253 708-1s-00251 708-1s-00150 Hydraulic Pump PC30mr-1 for PC27MR-2 PC30MR-2 PC35MR _Excavator Hydraulics, 디젤 엔진, SKS 유압

708-1S-00253

Parameter Value

Pump Type Variable Displacement Axial Piston Pump

Displacement ~30 cm³/rev (1.83 in³/rev)

정격 압력 24.5 MPA (3553 PSI)

최대 압력 29.4 MPA (4264 PSI)

Rated Speed 2000 RPM

Maximum Speed 2200 RPM

Flow Output ~60 L/min (15.8 US gpm) at 2000 RPM

Fluid Type Hydraulic Oil (ISO VG 32 or VG 46, Komatsu KESO or equivalent)

Weight ~35 kg (77 lbs)

2. 708-1S-00251

Parameter Value

Pump Type Fixed Displacement Gear Pump

Displacement ~18 cm³/rev (1.10 in³/rev)

정격 압력 17.5 MPA (2538 PSI)

최대 압력 21.0 MPA (3046 PSI)

Rated Speed 2300 RPM

Flow Output ~41 L/min (10.8 US gpm) at 2300 RPM

Fluid Type Hydraulic Oil (ISO VG 32)

Weight ~20 kg (44 lbs)

3. 708-1S-00150

Parameter Value

Pump Type Variable Displacement Piston Pump (Dual Pump Configuration)

Displacement Primary: ~28 cm³/rev, Secondary: ~12 cm³/rev

Rated Pressure Primary: 24.5 MPA, Secondary: 17.5 MPA

Maximum Pressure Primary: 29.4 MPA, Secondary: 21.0 MPA

Rated Speed 2200 RPM

Total Flow Output ~80 L/min (21.1 US gpm) at 2200 RPM

Fluid Type Hydraulic Oil (ISO VG 46)

무게 ~40 kg (88 lbs)