A solution for equipment with little or no ram air

Horton’s Arctis Two-Speed Fan Drives offer more efficient engine cooling for medium-duty trucks, severe-service vehicles, rear-engine cement mixers and other on- and off-highway equipment with little to no ram air. The Arctis line provides the highest torque available from Horton, 2,700 inch-pounds (305 N-m), in its patented two-speed technology.
In most conditions, the two-speed fan drive is powered by eddy current, turning the fan at a lower speed, reducing operating noise and increasing available horsepower for auxiliary systems. Because the eddy current mode provides sufficient cooling in most operating conditions, full-speed fan operation is reduced by 85 percent. This improves fuel economy, reduces operating noise and increases available horsepower. Fewer fan engagement cycles also improve fan drive, belt and tensioner reliability while minimizing radiator abrasion from dust and debris.