The CM Liberator is a medium speed primary grinder capable of processing commingled materials such as tires, wire, cable, and e-waste using a patented serrated knife design and internal screen to control particle size and distribution. CM’s patented design separates the wire from rubber in tires and other mixed applications.


High Production Efficiency: Designed for maximum throughput with minimal downtime.
Low Maintenance Needs: Engineered for durability and ease of use, reducing the frequency and complexity of maintenance operations.
Serrated Knife Design: Features a patented design for the cutting area, maximizing efficiency and effectiveness in material breakdown.
Reversible Screens: Offers flexibility in operation, allowing for quick adaptation to various material sizes and types.
Powered Screen Cradle: Facilitates rapid screen changes, significantly reducing downtime and boosting productivity.
Exclusive “Armor-Plated” Rotor and Housing: Ensures longevity and resilience, protecting key components from wear and tear.
Optimal Operational Temperature: Maintains a low operating temperature of 85 RPM, preserving material integrity and extending machinery life.
Service Drive for Easy Maintenance: Streamlines maintenance tasks, making them more efficient and less time-consuming.
Speed and Strength: Specially built to withstand the toughness of tire material, with larger bearings, a robust transmission, and a powerful motor ranging from 200 to 400 hp.
Versatility in Processing: Capable of processing passenger car and truck tire material at rates from 2,000 to 10,000 pounds per hour, producing wire-free ground rubber and clean steel for high-value markets.
This combination of innovative design, robust construction, and operational efficiency makes the Columbus McKinnon Liberator a standout choice for your material processing needs.