40305-00230 Hydraulic Pump:
Type: Gear pump
Displacement: 20.9 cm3/rev
Maximum operating pressure: 20 MPa
Maximum speed: 3,000 rpm
Weight: 5.5 kg
Mounting: SAE 2 bolt flange
AP2D25 and AP2D28 Hydraulic Pumps:
Type: Axial piston pump
Displacement: 25.4 cm3/rev (AP2D25), 28.4 cm3/rev (AP2D28)
Maximum operating pressure: 21 MPa
Maximum speed: 2,400 rpm
Weight: 14 kg (AP2D25), 15 kg (AP2D28)
Mounting: SAE 2 bolt flange
31M6-50031 Control Valve:
Type: Main control valve
Max. operating pressure: 24 MPa
Max. flow rate: 125 L/min
Weight: 80 kg
R55-7 Excavator:
Operating weight: 5,460 kg
Engine: Yanmar 4TNV94L, 4-cylinder water-cooled direct injection diesel engine
Power output: 28.7 kW (38.5 hp) @ 2,200 rpm
Bucket capacity: 0.17 - 0.20 m3
Maximum digging depth: 3,735 mm
Maximum dumping height: 4,155 mm
Swing speed: 9.5 rpm
Travel speed: 4.0 km/h
R55-3 Excavator:
Operating weight: 5,370 kg
Engine: Yanmar 4TNV94L, 4-cylinder water-cooled direct injection diesel engine
Power output: 29.1 kW (39.0 hp) @ 2,200 rpm
Bucket capacity: 0.14 - 0.19 m3
Maximum digging depth: 3,690 mm
Maximum dumping height: 4,165 mm
Swing speed: 9.5 rpm
Travel speed: 4.0 km/h
