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

Off-Highway Drives RCV250 Fully Variable Fan Drives

RCV250 Fully Variable Fan Drive

Lighter with a compact design, RCV250 Fully Variable Fan Drives are engineered to turn larger fans that require higher torque. The RCV250 is an integrated belt-driven fan drive that can be mounted in various locations to eliminate the vibration inherent in traditional driveshaft-mounted fan drives.


  • Generator sets
  • Agricultural tractors
  • Cranes
  • Construction equipment
  • Variety of other off-highway equipment


Maximum torque
Up to 2,113 in.-lbs. [250 N-m] (on/off)
1,991 in.-lbs. [225 N-m] (fully variable)
Fan blade capacity (diameter)
Configurations of 6 – 13 blades
26 – 43 in. [660 – 1,092 mm] diameters
Engine horsepower range
469 – 671 hp [350 – 500 kW]

Features & Benefits

  • Fully variable speed control reduces operating noise, lowers fuel costs and provides cold weather performance advantages
  • Innovative design provides for faster response time and lower off-speed decreasing parasitic loss to preserve horsepower and provide effective cooling
  • Compact and lighter weight vs. competition with Horton’s one-piece design for ease of installation
  • Industry-leading, double row, angular contact (DRAC) bearing for increased durability and product life
  • Smooth fan engagements and fan modulation
  • Maintenance free

Related Documents

Video of Product

This video illustrates the noise reduction and fuel consumption savings of the Horton Gen Set variable speed fan drive operating at 100% engagement, 72% engagement, and 9% engagement.

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