Rexroth A8VO Series Hydraulic Pump | A8VO200 A8VO140 A8VO160 Excavator Pump

Genlu Hydraulic proudly introduces our A8VO Series (covering 107, 140, 160, 200 displacements) high-performance bent-axis tandem variable displacement piston pumps. This series is engineered as a seamless, high-value replacement for the Rexroth A8VO excavator-specific hydraulic power standard. Optimized for heavy-duty hydraulic excavators and construction machinery, the A8VO series is renowned for its ultra-high power density, sophisticated power regulation, and unwavering reliability under harsh site conditions. Genlu guarantees 100% Drop-in Interchangeability in mounting dimensions, spline shaft specs, port layouts, and pressure compensation characteristics compared to the original Rexroth units. Every A8VO main pump is validated through 100% simulation testing to ensure optimal performance and rapid dynamic response under full-rated loads.

Technical Specifications

• Product Series: Rexroth A8VO Series Tandem Axial Piston Pump

• Key Configuration Model: A8VO107LA1KH2/63R1-NZG05F014-K

• Displacement Range: 107 cc/rev, 140 cc/rev, 160 cc/rev, 200 cc/rev

• Rated Operating Pressure: 35 MPa (350 bar)

• Peak Pressure: 40 MPa (400 bar)

• Control Mode: Load-sensing / Pressure-compensated variable control

• Drive Shaft: High-strength standard splined shaft

• Target Machinery: 20-50 ton heavy-duty hydraulic excavators

Key Technical Advantages:

• Precision Bent-Axis Design: Delivers superior power density, providing exceptionally high volumetric efficiency at high pressures and lightning-fast dynamic response during flow-demand shifts.

• Intelligent Power Regulation: The integrated constant-power controller dynamically adjusts flow based on load demand, significantly reducing fuel consumption during light-duty operation and boosting overall system efficiency.

• Hardened Piston/Valve Interfaces: Cylinder blocks and valve plates are forged from high-impact, wear-resistant specialty steel and deep-nitride treated to withstand the intense pressure spikes characteristic of deep digging cycles.

• Robust Tandem Reliability: Designed for the complex demands of excavator hydraulic circuits, the tandem configuration ensures isolated power delivery to travel systems and work implements, guaranteeing smooth and simultaneous operation.

Application Areas:

• Large-Scale Excavators: Primary power systems for 20-50 ton tracked hydraulic excavators.

• Engineering Construction: Power sources for rotary drilling rigs, heavy-duty material handlers, and industrial crushers.

• Mobile Hydraulic Platforms: Complex multi-circuit machinery requiring high flow and high-response control.

Expert Maintenance Tips:

• Case Drain Management: Ensure the pump case drain line is completely unobstructed with zero backpressure. Abnormally high drain volume is a critical early warning sign of internal wear—inspect the case for metallic debris immediately.

• Filtration & Oil Change: Given the precision of the A8VO control components, use filtration media rated ≤10µm. Adhere strictly to the 2,000-hour replacement interval for hydraulic fluid and filter elements.

• Initial Priming & De-aeration: After installation, fill the pump housing with clean oil via the case drain port. Cycle the implement actuators at idle multiple times to purge all residual air from the circuit, preventing cavitation damage to the piston interfaces.