Retrofit Fan Drives

Horton has introduced the Modulator fully variable retrofit packages, which are said to deliver optimized engine cooling for any climate. Aftermarket Modulator retrofit packages replace on/off fan drives for many heavy-duty linehaul and severe-duty vocational trucks where, says Horton, pneumatically actuated fan clutches over-cycle or do not provide optimum performance.

The retrofit packages offer faster cab warm-up, more efficient air-conditioning, and quieter operation for improved operator comfort, the company says. 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.

The Modulator RCV250 Fan Drive is directly controlled and managed by the engine’s electronic control module (ECM) in many applications. Modulator provides continuous variable, precise fan speed and is engineered to turn larger fans that require higher torque.

Two Modulator retrofit packages are available.

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