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Basic Information
- Series: A7VO Variable‑Displacement Axial Piston Hydraulic Pump (Rexroth type)
- Main Model: A7VO55LRDS/63L‑NZB01‑S
- Displacement: 55 cc/rev
- Pressure: Rated 35 MPa, Peak 42 MPa
- Features: Variable flow control, high‑pressure resistant, compact structure, low internal leakage, high volumetric efficiency, heavy‑duty durable
- Application: Excavator main pump, construction machinery, mining equipment, industrial hydraulic system, road machinery
English FAQ
Q1: Model code explanation
- A7VO: Series
- 55: Displacement 55cc/rev
- LRDS: Pressure‑sensitive variable control type
- 63L: Series version & left‑hand rotation
- NZB01‑S: Port layout, mounting flange, seal and special specification
Q2: Core advantages
Energy‑saving variable displacement design, stable high‑pressure output, strong anti‑pollution performance, long service life under continuous heavy‑load working conditions.
Q3: Compatibility
Standard OEM‑matched installation dimensions, fully interchangeable with original Rexroth A7VO pumps, direct replacement without modification.
