PolarForce Two-Speed Conversion Kits

Two-Speed Conversion Kits

Part No. 995543

Reduce noise, save fuel and increase your engine’s performance with Horton’s PolarForce Two-Speed Fan Drive Conversion Kit. For less than the cost of a new fan drive, this conversion kit allows you to retrofit a DM Advantage or DriveMaster® On/Off Fan Drive to two-speed fan drive technology.

Horton’s patented two-speed fan drive alternates between eddy current and spring-actuated cooling for precise, highly efficient temperature control and reduced operating noise. Under most operating conditions, a two-speed fan drive is powered by eddy current. This turns the fan at a lower speed, which reduces operating noise, increases available horsepower for auxiliary systems and minimizes radiator abrasion from dust and debris. When additional cooling is needed, the fan drive spring-actuates and runs the fan at full input speed.

Benefits

  • Installs easily without removing the fan drive from the engine
  • Efficient and reliable operation
  • Highly efficient temperature control
  • Reduced operating noise
  • Improves fuel efficiency
  • Increases available horsepower for auxiliary systems
  • Minimizes radiator abrasion from dust and debris
  • Faster engine warm-ups in cold weather
  • Extensively tested for guaranteed performance

Features

  • Patented two-speed technology
  • Alternates between eddy current and spring-actuated cooling
  • Advanced component
  • The latest magnet design
  • Is compatible with any 2.56" (65 mm) fan pilot
  • Higher torque for larger fans and higher ratios

Applications

  • Refuse trucks
  • Rear-engine cement mixers
  • School and city buses
  • Fire trucks
  • Severe-service vehicles
  • Other on and off-highway equipment with little to no ram air

Specifications

Actuation: Eddy current at low speed with spring lockup
Horsepower range: Diesel engines up to 550 HP [410 KW]*
Fan blade capacity: Application specific
Air pressure requirements: Minimum 90 psi [620.5 kPa]

*Contact Horton engineering for applications above this horsepower range.

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