MSE18-2-124-A18-1840-57K0 Poclain Radial Piston Wheel Motor 2099cc

Product Overview

The MSE18-2-124-A18-1840-57K0 is a modular radial piston hydraulic wheel motor from the Poclain Hydraulics MS/MSE18 series, engineered for high-pressure, low-speed, high-torque applications. Featuring a proven cam-roller radial piston design, it delivers exceptional starting torque and smooth low-speed operation. Fully interchangeable with original Poclain units and compatible with OEM numbers 05818252, 05815231, 05817095, and MK04-2-114-K04-3340-3000, this motor is widely used in roller and construction machinery drive wheels. Every unit undergoes 100% simulated operating condition testing to guarantee volumetric efficiency, pressure retention, and service life matching OEM standards. It serves as a core actuator in high-pressure pump, motor, and valve systems.

Technical Specifications 

• Model: MSE18-2-124-A18-1840-57K0 (Poclain MS/MSE18 series)
• Displacement: Full 2099 cm³/rev, half 1050 cm³/rev (code 2)
• Rated pressure: 25 MPa
• Peak pressure: 40 MPa (400 bar)
• Maximum speed: Approx. 100–125 rpm at full displacement (load-dependent); higher at half displacement
• Theoretical torque at 100 bar: Approx. 3337 N·m
• Rated torque: Approx. 6900 N·m
• Maximum power: Approx. 70 kW (standard)
• Control: Dual displacement (2C) hydraulic switching, Twin-Lock anti-skid option available
• Weight (dry): Approx. 120–160 kg (wheel motor version, depending on bearing support and brake configuration)
• Inertia: 0.2 kg·m²
• Ports & flanges: ISO 9974-1 / ISO 6162 standard connections, wheel-mount flange (A18 code series)
• Compatible OEM: 05818252, 05815231, 05817095 (Bomag etc.), MK04-2-114-K04-3340-3000

Key Technical Advantages

1. Precision cam-roller radial piston architecture: High-strength alloy steel cam ring and rollers combined with a precision distributor plate deliver high volumetric efficiency (typically >95%) and very low starting pressure for smooth creep-free operation at low speeds.
2. Modular design with full interchangeability: Exact match to original Poclain dimensions, ports, and mounting interfaces enables direct drop-in replacement of OEM and aftermarket units without host machine modifications, reducing downtime and inventory costs.
3. High pressure and torque density: Continuous 25 MPa / peak 40 MPa capability with large displacement provides substantial output torque ideal for heavy-duty wheel-drive duty cycles.
4. Long-life bearings and sealing system: Optimized radial/axial load capacity with high-quality bearings and seals offers excellent contamination resistance and thermal endurance; every motor is 100% tested under simulated conditions to verify durability.
5. Low noise and high efficiency: Optimized valving and cam profiles minimize pressure pulsation and noise; dual-displacement switching matches varying duty cycles for improved overall machine energy efficiency.

Application Areas

• Road rollers (Bomag BW series and equivalents) drive wheels
• Construction and paving machine wheel drives
• Agricultural and forestry equipment wheel motors
• Port and mining machinery low-speed high-torque drives
• Other mobile and industrial applications requiring direct wheel-drive capability

Expert Maintenance Tips

1. Before installation, fill the motor housing with hydraulic oil through the drain port to the specified level to prevent dry-start damage to bearings and seals.
2. Ensure supply and return lines are clean and filtration meets requirements (recommended ISO 20/16 or better); connect the case drain correctly to avoid housing over-pressure.
3. Run-in at moderate load and speed for 10–15 minutes on first start-up; check for leaks, temperature rise, and abnormal noise.
4. Periodically inspect the brake system (if fitted) for release pressure and torque to prevent excessive disc wear; replace seals only with genuine or certified parts.
5. For long-term storage, maintain internal lubrication and protect against moisture and corrosion; verify fluid viscosity and cleanliness against Poclain recommendations before restart.