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Basic Information
- Series: A4VG Closed‑Circuit High‑Pressure Variable‑Displacement Axial Piston Hydraulic Pump (Rexroth Type)
- Featured Model: A4VG90DA2D2/32R‑NSF02F071DC‑S
- Displacement: 90 cc/rev
- Pressure Rating: Rated 35 MPa, Peak 42 MPa
- Features: DA pressure‑sensitive variable control, closed‑circuit design, high‑pressure resistant, compact structure, low internal leakage, high efficiency, stable heavy‑duty performance
- Application: Excavator travel drive, rotary drilling rig, road roller, concrete mixer truck, construction machinery closed‑circuit hydraulic system
English FAQ
Q1: Model code explanation
- 90: Displacement 90cc/rev
- DA2D2: Pressure‑sensitive variable control mode
- 32R: Series version & right‑hand rotation
- NSF02F071DC‑S: Port layout, mounting flange, seal and special customized specification
Q2: Core advantages
Closed‑circuit pump with DA load‑sensing control, quick response, strong anti‑pollution ability, long‑life stable operation under continuous heavy‑load working conditions.
Q3: Compatibility
Standard OEM‑matched installation dimensions, fully interchangeable with original Rexroth A4VG pumps, direct replacement without modification.
