Spare parts ► HPD56 HPD Komatsu Hydraulic parts

Komatsu HPD56 hydraulic motor characteristics
The Komatsu HPD56 hydraulic motor is a powerful axial piston motor with a variable displacement (~56 cm3/rev section), a nominal pressure of up to 400 bar and a rotational speed of up to ~3200 rpm. It is used in a series of medium-heavy Komatsu excavators, and weighs about 170 kg when assembled.
Technical characteristics of the Komatsu HPD56 hydraulic motor:
- Type: variable displacement axial piston hydraulic motor
- Volume: the HPD56 rotor group kit corresponds to approximately half of the tandem configuration (≈ 56 cm3/rev of one section), a total of 112 cm3/rev in the 56+56 variant.
- Pressure:
- Maximum operating pressure: up to 40 MPa (~400 bar)
- Nominal: 35–42 MPa (350–420 bar)
- Rotation speed: up to ~3,200 rpm
- Weight: approximately 170 kg
Analogues of the hydraulic motor catalog number: 708-3D-01020, 708-3D-00020, 708-3D-04320, 708-3D-01030, 708-3D-00030, 708-2L-23351, 708-3D-04420, 708-3D-04420, 708-3D-04320, 708-3D-12130, 708-3D-13340, 708-3D-13330, 708-3D-04320, 708-2L-23360, 708-7L-13140, 708-2L-23131, 708-2L-33160, 708-2L-34120
Installed in the model: Komatsu PC120-8, PC130-8, PC138-US8, PC138USLC-8
The company "Aspect Plus" offers a wide range of spare parts for repairing the Komatsu HPD56 hydraulic motor.