
Nachi PCR — Hydraulic Swing Motor Series
The Nachi PCR series includes axial piston swing motors with an integrated planetary gearbox and shockless relief valve for mini excavators. The five frame sizes cover compact machines from the lightest to the mid-range class.
Nachi PCR Series Models
The series includes swing motors:
All series are available in the Nachi Hydraulics section.
Nachi PCR Series — Advantages
- Integrated shockless relief valve ensures smooth start and stop of platform rotation without hydraulic pressure spikes.
- Five frame sizes (PCR-1B — PCR-5B) cover mini excavators from 1.5 to 6 tonnes without changing the mounting configuration.
Nachi PCR Series — Applications
The series motors are installed as swing drives in mini excavators by Kubota, Kobelco, Yanmar, Komatsu, Sunward, IHI, JCB, Sany and Case.
Nachi PCR Series — Parts and Repair
Spare parts are available for the Nachi PCR Series: cylinder blocks, shafts, pistons, repair kits, and seal kits.
Aspect Plus offers repair of Nachi PCR Series hydraulic swing motors. We perform diagnostics, replacement of worn components, and restoration of operating parameters.
Contact us — provide the equipment make or motor model — we will select the parts and prepare a quote.

