Poclain MSF Series Swing Motor | MSF-18 | MSF-23 | Hydraulic Slew Drive Unit

Poclain MSF Series High-Performance Hydraulic Swing Motor Units

Product Overview: The Poclain MSF Series is an integrated hydraulic drive unit specifically engineered for swing mechanisms (Slew Drives) in mobile machinery. Built upon the foundation of the acclaimed MS radial piston technology, the MSF series seamlessly integrates essential functions required for slewing, including multi-disc parking brakes, anti-rebound valves, and shock relief valves. This page highlights core frames: MSF-18 and MSF-23. These motors are the premier power core for excavator slewing, crane boom rotation, rotary drill platforms, and forestry machinery swing drives.

Key Technical Advantages:

• Highly Integrated Solution: The MSF unit is more than just a motor; it is a complete swing drive system. It saves installation space by eliminating external valve blocks and simplifies hydraulic plumbing.

• Smooth Slewing Performance: Distribution logic optimized specifically for swing operations ensures exceptional smoothness during startup and stopping, effectively reducing inertial shock during rotation.

• High Startup Torque: The radial piston arrangement guarantees consistent and massive startup torque from any position, meeting heavy-duty rotational demands.

• Integrated Safety Braking: Standard equipped with a hydraulic-release multi-disc parking brake, ensuring absolute position locking on inclines or during operation.

• Target Applications: Crawler excavators, wheel excavators, marine crane slewing, material handlers, and specialized municipal vehicle rotation units.

Detailed Models & Parameters:

• Core Series: Poclain Hydraulics MSF Series Swing Unit.

• Technical Specs Decoding:

  • MSF-18: Frame size 18, optimized for 12-18 ton excavators or equivalent rotational loads.

  • MSF-23: Frame size 23, delivering increased torque output for 20-25 ton heavy-duty slewing systems.

• Core Performance Specs:

  • Displacement Range: Typically covers 1000cc to 2500cc classes.

  • Rated Pressure: Up to 400 Bar (5800 PSI).

  • Braking Torque: Integrated high-torque static brake for fail-safe security.