Arctis Two-Speed Fan Clutches
Arctis Two-Speed Fan Clutches offer a better, more efficient cooling solution for on- and off-highway vehicles without ram air. Rigorously tested, Arctis Two-Speed Fan Clutches are engineered for reliability and long operating life in the highest-heat under-hood conditions.
The Arctis Two-Speed alternates between eddy current and spring-actuated cooling for precise, highly efficient temperature control and superior horsepower performance. Under most operating conditions, the Arctis Two-Speed Fan Clutches are powered by eddy current-turning the fan at a lower speed. When additional cooling is needed, the Arctis Two-Speed spring actuates and runs the fan at full input speed.
Applications
- Medium-duty trucks
- Buses
- Severe-service vehicles
- Rear-engine cement mixers
- Other on- and off-highway equipment with little to no ram air
Specifications
| Actuation | Eddy current at low speed with spring lockup |
| Minimum air pressure to disengage | 620.5 kPa [90 psi] |
| Out-of-box torque | 305 N-m [2,700 in-lbs.] |
| Friction disc diameter | 200.6 mm [7.9 in.] |
| Fan blade capacity (diameter) | Application specific |
| Engine horsepower range | Up to 447 kW* [600 HP] |
| Friction liner wear limit, minimum thickness | 5.76 mm [0.23 in.] |