DM Advantage On/Off Fan Clutch

DM Advantage On/Off Fan Clutches are spring-engaged and air-disengaged for maximum efficiency. They are lighter, have high torque for turning larger fans, a fail-safe design and a low parts count for simplicity.

The advantage is yours with the best, proven solution for the highest-heat under-hood applications. Horton’s latest innovations assure you of maximum reliability and long-life performance.


  • Heavy-duty trucks
  • Medium-duty trucks
  • Buses
  • Off-highway equipment

DM Advantage On/Off Fan Drives are a proven solution for the highest-heat, under-hood applications. This includes Class 5 through 8 trucks and buses as well as some off-highway vehicles and equipment.

Feature & Benefits

  • Premium sheave bearing and long-wearing friction liner for maximum reliability and long life
  • On- and off- operation reduces noise and conserves fuel
  • Low parts count for ease of installation and maintenance
  • High torque capable of turning larger fans for a range of application
  • Engine coolant temperatures kept at optimum operating efficiency to increase durability
  • Superior solution for some of the highest heat-under-hood applications


ActuationSpring-engaged, air disengaged
Minimum Air Pressure To Disengage 90 psi [620.5 KPa]
Out Of Box Torque2400 in.-lbs. [271 N-m]
Friction Disc Diameter 7.9 In [200.6 mm]
Fan Blade Capacity (diameter) 32 In. [812.8 mm]
Horsepower Range250-600 HP [186-447 KW]
Friction Liner Wear Limit Min. thickness. 130 In. [3.302 mm]


Horton Fan Clutches

S & HTS Fan Clutches

Made in Melbourne Australia. The hub bearing assembly makes the S & HTS perfect for high run time applications.

DM Advantage On/Off Fan Clutch

DM Advantage On/Off Fan Clutches are spring-engaged and air-disengaged for maximum efficiency. 

DM Advantage Two-Speed Fan Clutch

Horton DM Advantage Two-Speed Fan Clutches (Fan Drives) alternate between eddy current and spring-actuated cooling.

RCV250 Fully Variable Fan Clutch

Lighter with a compact design, Modulator™ RCV250 Fully Variable Fan Clutches are engineered to turn larger fans that require higher torque.

HT650 On/Off Pneumatic Fan Clutch

The HT650 On/Off Pneumatic Fan Clutch engages only when cooling is needed, resulting in reduced horsepower and fuel consumption.

EC450®/EC600™ Fan Clutches

The electromagnetically-engaged series offers no-slip operation for quick response to cooling requirements such as in medium-duty trucks and buses.

Stratis Viscous Fan Clutch

Designed to cool new hotter-running reduced emission engines, can be managed by the engine’s electronic control unit for precision fan speed control.

VMaster Air Sensing Viscous Fan Clutch

Viscous fan drive utilising a bimetal precision sensor which modulates fan speed based on temperature of air through the cooling package.

Klondike Fan Clutches

The Klondike Series line of Fan Clutches allows you to benefit from Horton’s industry leading customer service and quality even if you are running our competitor’s fan clutch in your fleet.