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Basic Information
- Series: A4VG Closed‑Circuit High‑Pressure Variable‑Displacement Axial Piston Hydraulic Pump (Rexroth Type)
- Featured Models:
A4VG56HD3DM2
A4VG56DA1D3L
A4VG56DA202
- Displacement: 56 cc/rev
- Pressure Rating: Rated 35 MPa, Peak 42 MPa
- Features:
- HD3DM2: Hydraulic constant‑power variable control
- DA1D3L / DA202: Pressure‑sensitive load‑sensing variable control
- Closed‑circuit design, compact structure, high‑pressure resistant, low internal leakage, high efficiency, stable heavy‑duty performance
- Application: Concrete mixer truck, road roller, small‑medium rotary drilling rig, construction machinery closed‑circuit hydraulic system
English FAQ
Q1: Model code explanation
- 56: Displacement 56cc/rev
- HD3DM2: Hydraulic‑controlled constant‑power variable control for heavy‑load conditions
- DA1D3L / DA202: Pressure‑sensitive variable control, automatic flow adjustment with load change
Q2: Core advantages
Multiple control modes for different working needs; compact closed‑circuit pump, fast response, strong anti‑pollution ability, long‑life stable operation.
Q3: Compatibility
Standard OEM‑matched installation dimensions, fully interchangeable with original Rexroth A4VG56 pumps, direct replacement without modification.
