
Nachi PCR-1B and PHV-3B — hydraulic travel and swing motors for mini excavator
Nachi PHV-3B and PCR-1B are a pair of hydraulic motors that together provide a complete operating cycle for a mini excavator: travel and platform swing. PHV-3B is a two-speed travel motor (Travel Motor / Final Drive) with an integrated planetary gearbox and automatic parking brake. PCR-1B is a compact swing motor with an integrated gearbox and braking mechanism for smooth and precise positioning of the upper structure. Installed on Komatsu, Hitachi, Kobelco, Takeuchi, Volvo, Yuchai, Kubota, Yanmar, JCB, Sunward and IHI mini excavators.
Full model range in the section Nachi PCR
Technical specifications PHV-3B
- Type: travel motor (Travel Motor / Final Drive)
- Design: axial piston motor with integrated planetary gearbox and automatic parking brake
- Displacement: ~35 cm³/rev
- Maximum working pressure: up to 26.0 MPa (265 kgf/cm²)
- Maximum torque: ~4100 Nm
- Speed mode: two-speed (Low / High Speed)
- Weight: 40–45 kg
Technical specifications PCR-1B
- Type: swing motor (Swing Motor)
- Design: axial piston motor with integrated gearbox and braking mechanism
- Displacement: ~18 cm³/rev
- Maximum working pressure: up to 20.6 MPa (210 kgf/cm²)
- Weight: 35–40 kg
Installed in equipment
-
Bobcat
- 323 — mini excavator
- X320 — mini excavator
- X322 — mini excavator
-
Case
- CX15 — mini excavator
- CX17 — mini excavator
-
Hitachi
- EX15 — mini excavator
- EX17 — mini excavator
- ZX17U — mini excavator
- ZX30 — mini excavator
- ZX30UR — mini excavator
- ZX35U — mini excavator
-
IHI
- 28J — mini excavator
-
JCB
- 8014 — mini excavator
- 8016 — mini excavator
- 8018 — mini excavator
- 19C-1 — mini excavator
-
Kobelco
- SK15 — mini excavator
- SK17 — mini excavator
- SK30 — mini excavator
-
Komatsu
- PC12UU-2 — mini excavator
- PC15MR-1 — mini excavator
- PC15R-8 — mini excavator
- PC20MR-2 — mini excavator
- PC27 — mini excavator
- PC28UU — mini excavator
- PC30 — mini excavator
- PC30MR — mini excavator
- PC35MR — mini excavator
- PC38UU — mini excavator
-
Kubota
- KX015-4 — mini excavator
- KX016-4 — mini excavator
- KX41-2 — mini excavator
- KX41-3 — mini excavator
- U15 — mini excavator
- U17 — mini excavator
-
New Holland
- E18 — mini excavator
-
Sunward
- SWE17 — mini excavator
- SWE20 — mini excavator
- SWE25 — mini excavator
-
Takeuchi
- TB014 — mini excavator
- TB015 — mini excavator
- TB016 — mini excavator
- TB138 — mini excavator
- TB138FR — mini excavator
- TB216 — mini excavator
-
Volvo
- EC25B — mini excavator
- ECR28 — mini excavator
-
Yanmar
- B15 — mini excavator
- B17 — mini excavator
- B18 — mini excavator
- ViO15 — mini excavator
- ViO17 — mini excavator
- ViO20 — mini excavator
-
Yuchai
- YC35-6 — mini excavator
OEM numbers PHV-3B
-
Nachi
- PHV-3B-35B
- PHV-3B-35BP
- PHV-3B-35B-8841A
- PHV-3B-35B-P-8480A
- PHV-3B-35B-PT-8906A
- PHV-3B-35B-PT-8906B
- PHV-3B-35B-PT-8977A
- PHV-3B-35BP-9T-8299A
- PHV-3B-35B-PT-9487B
OEM numbers PCR-1B
-
Nachi
- PCR-1B-05A-P-9297A
- PCR-1B-05A-P-8651B
- PCR-1B-05A-8747A
- PCR-1B-05A-FP-8766B
Spare parts for Nachi PCR-1B PHV-3B
- Cylinder block Rotor
- Ball guide
- Disk Spring
- Friction Plate
- Coupling of drive shaft
- Cylinder block press pin
- Roller Bearing
- Cradle Bearing Set
- Retainer Plate
- Swash plate (cam rocker)
- Piston
- Rotor Spring
- Control Valve Regulator
- Seal kit motor
- Shaft Seal
- Servo Piston
- Drive Shaft motor
- Pressure Override Valve
- Valve plate
- Ball guide washer
- Washer
Repair and service PHV-3B and PCR-1B
We accept Nachi PHV-3B and PCR-1B hydraulic motors for repair: full diagnostics of hydraulic parameters, assessment of wear of pistons and cylinder block, seal inspection and bench testing after restoration.
Contact us — we will select spare parts and repair hydraulic motors PHV-3B and PCR-1B with warranty.
Technical specifications verified by the Aspect Plus technical catalog.