530300T3531AAAAAP White 530 Series High Torque Motor

Product Overview

The 530300T3531AAAAAP and 530160T3831AAAAAS models belong to the White Drive Products (now Danfoss) RE 530/531 Series heavy-duty bearing low-speed high-torque orbital hydraulic motors, also compatible with Parker TG / TE / TF Series and BMER high-torque series. Featuring a roller-stator design and heavy-duty bearings, these motors are engineered for high side-load, high-torque and continuous heavy-duty applications. They deliver high starting torque, smooth low-speed operation, excellent radial load capacity and long service life. Fully interchangeable with original White / Danfoss 530/531, Parker TG/TE/TF and BMER units, they are validated under simulated operating conditions for reliable performance in construction, agricultural and industrial hydraulic systems.

Technical Specifications 

• Models: 530300T3531AAAAAP / 530160T3831AAAAAS (White / Danfoss 530/531 Series)
• 530300 Geometric Displacement: 300 cm³/rev (18.3 in³/rev)
• 530160 Geometric Displacement: approx. 162 cm³/rev
• Continuous Maximum Pressure Drop: 207 bar (3000 psi)
• Intermittent Maximum Pressure Drop: 241 bar (3500 psi)
• Peak Pressure Drop: 276 bar (4000 psi)
• Continuous Maximum Torque (300cc): approx. 825 Nm (7300 lb-in)
• Intermittent Maximum Torque (300cc): approx. 938 Nm (8300 lb-in)
• Continuous Maximum Speed (300cc): approx. 250 rpm
• Continuous Maximum Flow: approx. 83 L/min (22 gpm)
• Control Type: Roller-stator orbital motor
• Bearings: Heavy-duty bearings (suitable for high side loads)
• Mounting: 6-hole flange and other configurations
• Approximate Weight: 14–17 kg (displacement-dependent)

Key Technical Advantages

1. Roller-stator design significantly reduces friction and internal leakage, maintaining high volumetric and mechanical efficiency even under heavy loads.
2. Heavy-duty bearing configuration provides superior radial load capacity, ideal for direct wheel-hub, chain or winch drives with high side forces.
3. High starting torque and smooth operation across the full speed range make the motors well-suited for frequent start-stop, low-speed high-load and continuous duty cycles.
4. Robust cast-iron housing with precision machining delivers high rigidity and pressure resistance for continuous and intermittent high-pressure operation.
5. Modular configuration options (displacement, flange, shaft, ports) facilitate system integration and full drop-in interchangeability with Parker TG/TE/TF and BMER series, reducing replacement costs.

Application Areas

Construction machinery (drive and swing functions), agricultural equipment, forestry machinery (harvester heads, feed rollers), winches and hoists, augers, material handling equipment, and other mobile or stationary hydraulic systems requiring high torque and high side-load capacity.

Expert Maintenance Tips

Ensure precise flange alignment and strictly control side loads within bearing limits during installation. Use anti-wear hydraulic oil with operating viscosity of 20–43 cSt and maintain appropriate temperature. Fully bleed the system and run at light load for initial break-in. Regularly inspect the shaft seal and fluid cleanliness (10–25 μm filtration recommended). Limit intermittent and peak pressure operation to short durations. In case of unusual noise, vibration or torque loss, first check system contamination, fluid condition and bearing status. Use genuine seal kits for service to preserve original performance.