KYB MSF-340VP Travel Motor | MSF-340VP-CB, MSF-340VP-FL | Excavator Final Drive

KYB MSF-340VP Series Heavy-Duty Excavator Final Drive & Travel Motors

Product Overview: The KYB MSF-340VP Series is the premier power source for the propulsion systems of 30 to 50-ton class heavy excavators. As a precision-engineered Propel Travel Motor integrating a variable displacement piston motor with a multi-stage planetary gearbox, the MSF-340VP is specifically designed for extreme mining and construction environments. This selection features core specifications including MSF-340VP-CB, MSF-340VP-FL, and the standard MSF-340VP. Known for its superior volumetric efficiency and reliability, this series is widely used in the undercarriages of Hitachi, Kobelco, and SANY heavy excavators.

Key Technical Advantages:

• Elite Tractive Effort: Optimized for high-tonnage equipment, delivering massive output torque to ensure powerful mobility in deep mud, steep slopes, and soft terrains.

• Automatic Dual-Speed Shifting: Integrated automatic variable displacement control adjusts to ground resistance, allowing for seamless shifting between High-Torque and High-Speed travel modes.

• Heavy-Duty Planetary Gearbox: Internal gears are deep-hardened to withstand massive radial forces and shock loads from frequent counter-rotation, significantly extending service intervals.

• Superior Sealing & Protection: Equipped with high-performance floating seal groups to effectively exclude abrasive dust, mud, and water, protecting internal bearings from contamination.

• OEM-Grade Installation Precision: Standardized flange and port configurations ensure full compatibility with mainstream heavy excavator chassis for fast, zero-error replacement.

• Target Applications: Heavy excavator final drive replacement, mining machinery maintenance, and heavy-tracked platform propulsion.

Detailed Models & Parameters:

• Core Series: KYB MSF Series Propel Motor.

• Model Keywords: MSF-340VP-CB, MSF-340VP-FL, MSF-340VP.

• Technical Specs Decoding:

  • MSF-340VP-CB: Specification optimized for specific high-pressure hydraulic circuits.

  • MSF-340VP-FL: Configuration featuring specialized flange interfaces or braking systems.

• Pressure Specs: Rated Operating Pressure up to 34.3 – 38 MPa (5000-5500 PSI), featuring industry-leading peak torque output.