Modulator LCV40



Fully Variable LCV40 Fan Drives

The Modulator® Fully Variable LCV40 Fan Drive delivers impressive fuel savings, reduced fan noise, more available horsepower, high torque and improved cooling with increased airflow. Lightweight and compact, the Modulator LCV40 is designed with a lower parts count to provide initial-investment, replacement and maintenance cost savings.


  • Speeds reaction time, increases modulation and cooling; better speed stability
  • Decreased parasitic loss, more available horsepower for the vehicle and less fuel consumption
  • Faster response time and lower off-speed for maximum efficiency
  • Long life, no maintenance
  • Reduced fan noise
  • Fuel savings


  • Lightweight, compact design
  • Lower parts count for initial-investment, replacement and maintenance cost savings
  • Rapid response time and a lower off-speed to maximize efficiency
  • Directly controlled and managed by the engine’s electronic control unit (ECU)
  • Innovative reservoir, actuator and valve system
  • Built-in high thermal capacity and an integral fan speed sensor for closed-loop control
  • Housing and cover have optimized fins for greater heat dissipation
  • Rear-mounted connector for easy installation
  • Completely sealed durable construction 
  • Custom solutions available, consult Horton


  • Lower-power use in a wide variety of off-highway applications
  • Skid steers, compressors, generator sets, ag. tractors and more


Maximum torque: 40 N-m [354 in.-lbs.]
Fan blade capacity (diameter): Configurations of 6–11 blades up to
750 mm [30 inches]
Engine horsepower range: 37–93 kW [50–125 hp]
 Weight*:  Approx. 3 kg [6.61 lbs.]

* Depending on mounting configurations.