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

708-1С-00253

Parameter Value

Pump Type Variable Displacement Axial Piston Pump

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

Rated Pressure 24.5 MPa (3553 PSI)

Maximum Pressure 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. 708-1С-00251

Parameter Value

Pump Type Fixed Displacement Gear Pump

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

Rated Pressure 17.5 MPa (2538 PSI)

Maximum Pressure 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. 708-1С-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)

Weight ~40 kg (88 lbs)