This cam lobe motor is engineered for smoother road finishing and greater reliability. With its innovative design, the cam lobe motor eliminates leakage issues, making it a standout solution for modern drum drive applications.
Leak-Free Design with High Bearing Strength
The Thorx CLM 5 C motor introduces a robust bearing arrangement using taper roller bearings. This design effectively prevents shaft deflection, eliminating the hydraulic oil leakage typically seen with cam lobe motors using ball bearings. As a result, the motor offers longer service life and superior durability.
Smoother Low-Speed Rotation for Better Road Finishing
Thanks to its balanced rotary group—featuring 12 pistons and nine lobes—the Thorx motor maintains a consistent number of pistons under pressure. This dramatically reduces low-speed ripple by up to 90%, delivering a smooth rotation essential for high-quality road surfaces.
Operating at a total efficiency of 92%, the CLM 5 C motor generates less heat, which preserves seals and bearings. This not only extends the lifespan of critical components but also minimises maintenance requirements.
Compact Design with Integrated Safety Brake
The motor includes a multi-disc parking brake at its centre, replacing traditional dog clutch designs. This setup eliminates jamming risks and supports repeated emergency braking. A built-in mechanical brake release also simplifies towing procedures.
With a maximum displacement of 545 cc, the CLM 5 C is optimized for compaction machinery up to 3.5 tons. It matches the dimensions and shape of commonly used drum drive motors, enabling easy sourcing and replacement. The hollow shaft allows for optional through-drive flexibility.
A Full-Range Portfolio to Meet Every Drum Drive Need
Danfoss now offers a complete cam lobe motor portfolio—including the S and T series—catering to applications ranging from skid steers to compact track loaders. This ensures OEMs and contractors can rely on Danfoss for robust, high-efficiency motor solutions across equipment types.
