The Horton Modulator Fully Variable Retrofit Packages, deliver optimized engine cooling for any climate. Aftermarket Modulator retrofit packages replace on/off fan drives for many heavy duty line-haul and severe duty vocational trucks where pneumatically actuated fan clutches over-cycle or do not provide optimum performance. The Modulator retrofit packages offer faster cab warm-up, more efficient air-conditioning and quieter operation for improved operator comfort. These packages maximize engine power to the vehicle drive wheels and improve fuel savings in most applications. Modulator retrofit packages reduce downtime and have a long service life under severe duty conditions.
