SNM2NN Hydraulic Gear Motor | Danfoss Sauer Replacement | Genlu 11cc/rev Motor

Genlu Hydraulic proudly introduces our SNM2NN Series high-performance aluminum-housed bidirectional hydraulic gear motors. This series is engineered to be a seamless, high-value replacement for Danfoss (Sauer-Danfoss/Turolla) Group 2 gear motor standards. Known for its compact design, excellent power-to-weight ratio, and robust pressure-balanced architecture, the SNM2NN is the ideal choice for demanding mobile and industrial applications. Genlu guarantees 100% Drop-in Interchangeability in mounting dimensions (SAE A flange), shaft profiles (SAE straight key), and port configurations (UNF threads) compared to the original Danfoss unit. Each motor undergoes rigorous 100% simulation testing to ensure optimal volumetric efficiency and long-term reliability under continuous operational loads.

Technical Specifications 

• Series: SNM2NN (Group 2 Bidirectional Aluminum Gear Motor)

• Configuration Model: SNM2NN/011BN06GA (Compatible with M6WE5E5NNNN)

• Displacement: 11 cc/rev

• Rated Operating Pressure: 250 bar (3,625 psi)

• Peak Pressure: 275 bar (3,988 psi)

• Speed Range: 500 rpm – 4,000 rpm

• Rotation: Bidirectional

• Drive Shaft: SAE Parallel Key Shaft (Ø15.875mm, L=23.8mm)

• Mounting Flange: SAE A-Pilot (Ø82.55mm, 2-bolt)

• Port Connections: 7/8-14 UNF Threaded Ports

• Seal Material: Standard NBR (compatible with mineral-based HLP oil)

Key Technical Advantages:

• Pressure-Balanced Housing: Advanced pressure compensation design automatically adjusts internal clearances based on operational conditions, minimizing fluid bypass and significantly boosting overall volumetric efficiency.

• PTFE-Coated Bushings: Critical internal friction points feature Teflon® (PTFE) coated bushings, reducing starting torque and wear, which guarantees consistent performance even under extreme thermal and pressure fluctuations.

• Lightweight, High-Strength Aluminum Construction: The extruded aluminum body provides a high strength-to-weight ratio, ensuring maximum structural rigidity and minimizing vibration/noise during high-speed operations.

• Bidirectional Flexibility: Designed for versatile bidirectional performance, providing smooth rotational output for systems requiring frequent flow direction changes without needing constant backpressure.

Application Areas:

• Agricultural Equipment: Auxiliary drives for harvesters, fertilizer spreaders, and feed mixers.

• Industrial Cleaning: Drive units for floor scrubber brushes and high-pressure spray/wash systems.

• Material Handling: Small conveyor drives, hydraulic lifts, and auxiliary forklift circuits.

• Construction/Mobile Machinery: Rotation mechanisms for municipal utility vehicles and small loader attachments.

Expert Maintenance Tips:

• Maintain ISO 4406 18/13 Fluid Cleanliness: Precision gear assemblies are highly vulnerable to solid contaminants. Ensure a high-quality filter (≤10µm) is installed on the inlet line to prevent scoring of the internal side plates.

• Proper Drain Port Management: Always ensure the motor drain line (if applicable) is routed directly back to the reservoir without backpressure. Excessive casing pressure will quickly damage the shaft seal.

• Cold Start Procedures: If operating in cold climates, perform a low-pressure warm-up cycle before applying full system load to ensure the hydraulic fluid reaches the appropriate operational viscosity.