Product Overview
The MSE02-2-11A-F03-3AC0-FM00 is a dual-displacement radial piston hydraulic motor from Poclain Hydraulics’ MS/MSE02 series, belonging to the MSE-series (E-version, 400 bar maximum working pressure) with an integrated parking brake (F03 module). The MS/MSE02 series is the compact frame offering in Poclain’s multi-purpose motor line, covering displacements from 172 to 398 cc/rev with up to 22 kW (29.5 HP) power, 2,500 N·m (1,843 lb-ft) maximum torque and 400 bar (MSE version) / 450 bar (MS version) maximum pressure, with a multi-speed concept reaching up to 900 rpm.
The MS/MSE02 series employs a modular design concept allowing a single base motor to be configured with different displacement groups, flow-distribution modules, brake modules and output-end modules, serving construction equipment, material handling, agriculture, environment, mining, rail, marine and industry. The series is built on a tried and tested radial piston cam design, featuring low noise, high radial load capacity and high starting torque, with hydrostatic dynamic braking as an inherent design feature. The MS/MSE02 series features 100% interchangeable interfaces with original Poclain motors.
The model code breaks down as follows: MSE02 identifies the MS/MSE series 02 frame size (E-version, 400 bar maximum working pressure); 2 denotes dual displacement configuration; 11A is the flow-distribution/function module code; F03 is the brake module (F=brake, 03=brake specification); 3AC0 is the mounting flange and shaft configuration code; FM00 denotes additional options.
Every unit undergoes 100% simulated operating-condition bench testing prior to shipment. Mounting flange, shaft end and port dimensions match the original Poclain MSE02 series exactly, enabling true drop-in interchangeability with zero modification required.
Technical Specifications
MS02/MSE02 Series Frame Size Specifications:
MS02-8: Displacement 172/86 ml/r (full/half), max power 16/10 kW, theoretical torque at 10 MPa 273/136 N·m, rated torque 643 N·m, rated pressure 25 MPa, max pressure 40 MPa, speed range 0–310 rpm
MS02-9: Displacement 213/106 ml/r, max power 16/10 kW, theoretical torque at 10 MPa 340/170 N·m, rated torque 796 N·m, rated pressure 25 MPa, max pressure 40 MPa, speed range 0–310 rpm
MS02-0: Displacement 235/118 ml/r, max power 16/10 kW, theoretical torque at 10 MPa 351/175 N·m, rated torque 878 N·m, rated pressure 25 MPa, max pressure 40 MPa, speed range 0–310 rpm
MS02-1: Displacement 255/128 ml/r, max power 16/10 kW, theoretical torque at 10 MPa 405/202 N·m, rated torque 953 N·m, rated pressure 25 MPa, max pressure 35 MPa, speed range 0–260 rpm
MSE02-2 (This Model Series): Displacement 332–398 ml/r, max torque 2,500 N·m (1,843 lb-ft), max pressure 400 bar (5,802 psi), max speed 900 rpm, max power 22 kW (29.5 HP)
MS02/MSE02 Series Common Specifications:
Series Max Displacement: 398 cc/rev (24.3 cu.in/rev)
Series Max Torque: 2,500 N·m (1,843 lb-ft)
MS Series Max Working Pressure: 450 bar (6,527 psi)
MSE Series Max Working Pressure: 400 bar (5,802 psi)
Series Max Power: 22 kW (29.5 HP)
Series Max Speed: 900 rpm
Type: Radial piston LSHT hydraulic motor (internal curve cam ring design)
Control: Single or dual displacement
Brake: Service brake, parking brake options
Motor Type: Wheel motor / shaft motor (modular)
Anti-Skid Option: TwinLock™ integrated anti-skid available
Displacement Range: 172–398 cc/rev
Original Design: Poclain Hydraulics, France
MSE02-2-11A-F03-3AC0-FM00 Additional Specifications:
Model Code: MSE02-2-11A-F03-3AC0-FM00
Type: Radial piston LSHT hydraulic motor, internal curve cam ring design
Displacement: Dual displacement configuration (MSE02 series, 332–398 ml/r range)
Max Working Pressure: 400 bar (MSE version)
Max Torque: 2,500 N·m (1,843 lb-ft)
Max Power: 22 kW (29.5 HP)
Max Speed: 900 rpm
Valving Type: Dual displacement valving module (11A code)
Brake Configuration: F03 parking brake module (integrated)
Mounting Flange: 3AC0 mounting configuration
Anti-Skid Option: TwinLock™ available
Motor Type: Wheel motor / shaft motor (modular)
Operating Temperature Range: -40°C to +115°C
Hydraulic Fluid: Mineral oil (ISO VG46/68), synthetic oil, water glycol
Weight: ~28–39.5 kg (depending on configuration)
Original Design: Poclain Hydraulics, France
Key Technical Advantages
1. Dual Displacement Design for Wide Operating Range
The MSE02-2-11A features a dual-displacement cam ring design with on-line switching between full displacement and half displacement. The full-displacement mode delivers up to 2,500 N·m maximum torque for heavy-duty startup and grade climbing; the half-displacement mode significantly increases speed capability (up to 900 rpm) for light-load cruising. A single motor covers the full spectrum from low-speed high-torque to high-speed low-torque operation.
2. Internal Curve Radial Piston Design for High Startup Torque and Smooth Low-Speed Operation
The MSE02-2-11A employs Poclain’s patented internal curve radial piston design, with multiple pistons distributed along the cam ring’s internal curve to deliver high torque at extremely low speeds. The motor operates smoothly across the 0–900 rpm speed range without stick-slip. High startup torque ensures reliable starting under load, making it ideal for wheel-drive and tool drive applications.
3. Integrated Parking Brake (F03 Module) for Safe Parking
This model integrates the F03 parking brake module with a hydraulically released, spring-applied fail-safe design that automatically locks when system pressure is lost, ensuring safe machine parking. This makes the MSE02-2-11A particularly suitable for wheel-drive applications requiring reliable parking brakes, such as skid steer loaders, compact excavators and forklifts.
4. Modular Architecture with TwinLock™ Anti-Skid System
The MS/MSE02 series employs Poclain’s modular design concept, allowing displacement group, flow-distribution module, brake module and output-end module to be reconfigured. The 3AC0 mounting configuration supports both wheel-drive and shaft-output mounting. Optional TwinLock™ integrated anti-skid provides differential locking via hydraulic control for improved traction on challenging terrain.
5. 100% Simulated Load Testing & Drop-In Interchangeability
Each MSE02-2-11A-F03-3AC0-FM00 unit is bench-tested under simulated operating conditions prior to dispatch, covering pressure cycling, speed shifting and thermal variation. Mounting flange, shaft end and port dimensions match the original Poclain MSE02 series exactly, enabling direct replacement without pipework or interface modification.
Application Areas
The MS02/MSE02 series is widely deployed in heavy-duty travel and tool drives:
Skid Steer Loaders: Bobcat T190, S185, S205 and similar models
Road Rollers: BOMAG 211 soil compactor, BOMAG 130 AD roller, HAMM 4011 roller
Construction: compact excavator travel drives, Caterpillar 226B, Caterpillar CS-563 compactor
Horizontal Directional Drilling: Vermeer horizontal directional drill drives
Agriculture: combine harvesters, green bean and pea harvesting machines, orchard machinery
Material Handling: forklifts, aerial work platforms, compact cranes
Mining: compact underground equipment drives, scraper conveyor drives
Expert Maintenance Tips
1. Brake Running-In and Release Pressure Verification: The F03 parking brake module requires running-in after installation. Brake release pressure should be set per Poclain technical manual specifications. After running-in, perform static brake torque verification to confirm release pressure is within the technical manual range. Abnormally high release pressure typically indicates friction plate wear or piston seal failure—replace promptly.
2. Dual Displacement Valving Module Maintenance: The dual displacement valving module is controlled by pilot pressure. If shift response is sluggish or excessively harsh, inspect the pilot control spool for sticking and the flow-distribution shaft O-rings for aging. Shift operations should be performed at low speed or standstill to avoid impact loading on the distribution mechanism. Inspect pilot control pressure and valving module seal condition every 1,000 hours.
3. Oil Cleanliness and Temperature Control: Maintain system oil cleanliness at ISO 4406 18/16/13 or better. HV46 hydraulic oil is recommended. Operating oil temperature should be kept below 80°C; elevated temperatures accelerate seal degradation. Replace hydraulic oil and filter after the first 500 hours, then follow a 2,000-hour or annual replacement cycle.
4. Drain Line Management and Housing Priming: The drain port must return to the reservoir independently—housing back pressure must not exceed 2 bar. The drain line end must remain submerged to prevent air ingestion. Fill the housing with clean hydraulic oil before first startup. After extended shutdown, fill the housing again before restarting.
5. Periodic Piston Group and Cam Ring Inspection: As a radial piston motor, the MSE02-2-11A’s primary wear points are the piston rollers and cam ring contact surface. Inspect piston roller wear and cam ring working surface every 2,000 hours. Both displacement cam surfaces require inspection. Abnormal noise or efficiency loss requires immediate shutdown and service. Use Poclain original specification parts when replacing piston groups to ensure fit accuracy and assembly torque per technical manual requirements.
