
Uchida AP2D12 — variable displacement axial piston hydraulic pump
The Uchida AP2D12 hydraulic pump is a double variable displacement axial piston pump with swash plate. Two independent pump sections in a single housing provide simultaneous supply to different hydraulic circuits — travel drive and working equipment — without mutual interference. Optionally equipped with a third gear pump for supplying the pilot control circuit. Installed as the main pump in mini excavators weighing up to 3 tonnes manufactured by Kobelco, Case, New Holland, Hitachi and Bobcat.
Full model range in the section Uchida AP2D series.
Technical specifications AP2D12
- Type: double variable displacement axial piston pump, swash plate
- Displacement: 2 × 12 cm³
- Max. working pressure: 350 bar
- Rated speed: 3500 rpm
Installed in equipment
-
Kobelco
- SK20 — Mini excavator
- SK20SR — Mini excavator
- SK20SR-3 — Mini excavator
- SK25 — Mini excavator
- SK25SR — Mini excavator
- SK27 — Mini excavator
- SK27SR-3 — Mini excavator
- 27SR — Mini excavator
- 27SR-3 — Mini excavator
- 27SR-5 — Mini excavator
- 27SR BTW — Mini excavator
-
Case
- CX17 — Mini excavator
- CX18 — Mini excavator
- CX20 — Mini excavator
- CX22 — Mini excavator
- CX26 — Mini excavator
- CX27 — Mini excavator
- CX27B — Mini excavator
-
New Holland
- E27 — Mini excavator
- E27B — Mini excavator
- E27SR — Mini excavator
- E27-2SR — Mini excavator
- EH27 — Mini excavator
-
Hitachi
- EX20U-3 — Mini excavator
- EX20UR-3 — Mini excavator
- ZX20U — Mini excavator
- ZX20UR — Mini excavator
- ZX27U — Mini excavator
-
Bobcat
- 331 — Mini excavator
- MX331 — Mini excavator
OEM numbers AP2D12
-
Uchida
- AP2D12LV3RS7
- AP2D12LV3RS7-952-0
- AP2D12LV3RS7-966-2
- AP2D12LV3RS7-973-0
- AP2D12LV3RS7-980-0
-
Kobelco
- PM10V00017F1
- PV10V00003F1
-
Case / New Holland
- 4438711
- 4438456
- 4438457
- 4438459
Spare parts for Uchida AP2D12
- Cylinder block Rotor
- Drive Shaft
- Separation Bush
- Ball guide
- Disk Spring
- Snap Ring
- Slider
- Coupling of drive shaft
- Cylinder block press pin
- Charge Pump
- Roller Bearing
- Cradle Bearing Set
- Retainer Plate
- Swash plate (cam rocker)
- Piston shoe
- Rotor Spring
- Seal kit pump
- Shaft Seal
- Wire
- Valve plate
- Ball guide washer
- Pressure Override Valve
- Control Valve Regulator
- Regulator assembly
- Servo Piston
Repair and service AP2D12
We accept axial piston hydraulic pump Uchida AP2D12 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 pump AP2D12 with warranty.
Spare Parts Diagram Uchida AP2D12
Spare Parts Diagram
Technical specifications verified by the Aspect Plus technical catalog.