MS11 Poclain Radial Piston Hydraulic Motor 1687cc 450bar

Product Overview

The Poclain MS11 (and corresponding MSE11) is a modular radial piston hydraulic motor from the MS/MSE series by Poclain Hydraulics, featuring an internal cam-lobe roller-piston design optimized for low-speed, high-torque direct-drive applications. Displacement ranges from 730 to 1687 cm³/rev, with maximum pressure up to 450 bar, peak torque approximately 10,700 Nm, maximum power up to 50 kW, and speeds up to 200 rpm. Our units, including the specific code MS11-0-121-A11-1110-57H0 and the full range MS02, MS05, MS08, MS11, MS18, MS25, MS35, MS50, MS83, MS125, MS250 and corresponding MSE models, are manufactured to original specifications, offering 100% interchangeability (flange, shaft end, valving, and dimensions fully match OEM) and 100% simulated-duty testing. They deliver reliable performance under heavy loads, low speeds, high pressure, and harsh conditions as cost-effective direct replacements for genuine Poclain motors.

Technical Specifications 

• Model: MS11-0-121-A11-1110-57H0 (series also available across MS02 to MS250 and MSE variants)
• Displacement range: 730–1687 cm³/rev (full or dual displacement depending on code)
• Max pressure: up to 450 bar (MS series); approx. 400 bar for MSE series
• Max torque: up to approx. 10,700 Nm
• Max power: up to 50 kW
• Max speed: up to approx. 200 rpm (varies by displacement and options)
• Control: Fixed or dual displacement (modular valving system)
• Design: Radial piston internal cam-lobe roller design; modular wheel motor or shaft motor
• Inertia: approx. 0.05 kg·m²
• Approx. weight: 90–116 kg (without oil, depending on configuration)
• Options: Integrated parking/service brake, TwinLock anti-skid, etc.

Key Technical Advantages

1. Precision internal cam-lobe and roller-piston design delivers high starting torque, smooth low-speed operation, and excellent volumetric/mechanical efficiency for direct-drive applications without gearboxes.
2. Modular architecture allows flexible configuration of wheel/shaft mounting, brakes, dual displacement, and various valving systems, providing high power density for diverse host machines.
3. High-strength bearings and optimized sealing support high radial loads and continuous heavy-duty operation with low noise and long service life.
4. Full dimensional and performance interchangeability plus rigorous simulated-duty testing guarantee drop-in replacement of original Poclain units, minimizing downtime and lifecycle costs.

Application Areas

Ideal for construction equipment, material handling, agricultural machinery, mining, rail, marine, and industrial drives requiring low-speed high-torque performance. Typical applications include loaders, excavator travel/swing drives, drilling rigs, crushers, forestry machines, port equipment, heavy-duty transporters, and other direct-drive wheel or shaft systems.

Expert Maintenance Tips

• Verify exact match of mounting flange, shaft end (spline or keyed), and valving interface before installation; observe radial load limits for wheel motors.
• Maintain hydraulic fluid cleanliness to recommended levels using specified viscosity oils; regularly check case drain and brake system pressures.
• For dual-displacement or braked configurations, ensure correct pilot line connections without check valves that could interfere; monitor temperature, speed, and torque during commissioning.
• Periodically inspect rollers and cam for wear; use OEM-spec seals and filters during service and record operating parameters to predict maintenance intervals.