Rexroth A6VE Series Hydraulic Motor | A6VE28EP2 | A6VE55 A6VE80 A6VE107

LIC Hydraulic specializes in the Rexroth A6VE Series, a premier line of bent-axis variable displacement motors designed specifically for integration into planetary gearboxes. The A6VE series—spanning displacements from 28cc to 160cc—features a unique cartridge design that allows the motor to be deeply recessed within the wheel or track drive, significantly reducing machine width. The flagship model A6VE28EP2/63W features sophisticated electronic proportional control, enabling seamless transitions between high torque and high speed. Rated for continuous operation at 400 bar, the A6VE series is the ultimate choice for excavator travel drives and heavy-duty industrial rotary applications.

Technical Highlights

• Space-Saving Cartridge Mounting: Optimized for wheel and track drives, ensuring a compact drivetrain and enhanced machine maneuverability.

• Bent-Axis Power Density: Provides superior starting torque and higher speed capability compared to traditional swashplate designs.

• Precision EP Control: The EP2 electronic control allows for precise, stepless adjustment of motor displacement via a PLC signal, optimizing fuel efficiency and performance.

• Robust Service Life: Engineered with high-strength rotary components and premium seals to handle the constant pressure spikes of heavy excavation work.

Application Areas

• Construction: Final drives for crawler excavators, pavers, and cold planers.

• Mining & Drilling: High-torque rotation units for rotary rigs and rock drills.

• Heavy Logistics: Hub motors for specialized modular transporters and mobile cranes.

Expert Maintenance Tips

• Mandatory Priming: To avoid immediate mechanical failure, the motor case must be pre-filled with clean, filtered hydraulic oil through the drain port before the initial run.

• Cleanliness Protocol: To protect the precision-engineered bent-axis pistons, maintain fluid cleanliness at ISO 18/16/13. Particle contamination is the #1 cause of “sticking” in variable mechanisms.

• Seal Integrity: Monitor the interface between the motor and the gearbox. Ensure the high-pressure shaft seal is inspected regularly to prevent cross-contamination of hydraulic oil and gear lubricant.