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A flat view of an empty sandpitA flat view of an empty sandpit

Off-Highway Drives DM Advantage® On/Off for Off-Highway Vehicles

DM Advantage On/Off Pneumatic Fan Drive Diesel Engine Cooling System

DM Advantage On/Off Fan Drives 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.


  • Variety of off-highway equipment


Spring-engaged, air disengaged
Minimum air pressure to disengage
620.5 KPA [90 psi]
Out of box torque
271 N-m [2400 in.-lbs.]
Friction disc diameter
200.6 mm [7.9 in.]
Fan blade capacity (diameter)
813 mm [32 in.]
Engine horsepower range
186 - 447 KW [250 - 600 HP]
Friction liner wear limit, minimum thickness
5.76 mm [0.23 in.]

Features & 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 applications
  • Engine coolant temperatures kept at optimum operating efficiency to increase durability
  • Superior solution for some of the highest heat-under-hood applications

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