Only from Horton-a world leader in fan drive technology-the DriveMaster Two-Speed Fan Drive alternates between eddy current and spring actuated cooling for precise, highly-efficient temperature control and reduced operating noise levels.

Under most operating conditions, the DriveMaster Two-Speed Fan Drive is powered by eddy current. This turns the fan at a low speed, which reduces ON/OFF cycling, operating noise, increases available horsepower for auxiliary systems, and minimises radiator abrasion from dust and debris.

When additional cooling is needed, the DriveMaster Two-Speed spring actuates, and runs the fan at full input speed. By supplying additional engine cooling only when it's needed, the DriveMaster Two-Speed delivers superior horsepower performance. Less noise. More power. Increased fuel efficiency.

Benefits

Higher torque for larger fans and higher drive ratios
Up to 50% less noise
Reduced ON/OFF cycling at idle and/or low speed
Precise temperature control; ideal for vehicles with little or no ram air
Superior operating efficiency and performance
Quicker response to cooling needs
More available power to haul up steep inclines
Improved fuel efficiency
Less wear and maintenance; higher reliability
Less radiator abrasion from dust and debris
Faster engine warm-ups in cold weather

Features

Low speed powered by magnetic eddy current
Spring actuated when additional cooling is needed

Applications

On-highway trucks
Buses
Crane trucks and other special purpose mobile equipment
Rear-engine cement mixers, pumps, drill rigs, etc
Large stationary engines, compressors, generators, etc
Other on- and off-highway equipment without ram air

DriveMaster two-speed Specifications

Actuation - Eddy current at low speed with spring lock-up for full input speed
Horsepower range - Diesel engines up to 550HP (410kw) *
Fan blade capacity (diameter) - Application Specific
Air pressure requirements - Minimum 90psi (620.5kPa)

Norman G. Clark | Diesel & Industrial Solutions

Norman G. Clark is an Australian owned and operated business with a long and remarkable history. Established in Melbourne, Victoria in 1919, is a distributor of diesel and industrial products. We manufacture, import and distribute an extensive range of diesel engine accessories and industrial equipment. Norman G. Clark Product Offerings The main products we supply are as follows: • Horton fan clutches • Nexen industrial clutches, brakes and tension control equipment • Deublin rotating unions • Nett exhaust purifiers and catalytic converters • Flight Systems engine protection systems • Horton diesel engine cooling fan blades • Oblan engine air intake pre-cleaners • Tension Control • Linear Motion Control • Web control systems • FMS belt scales • Electromagnetic clutches and brakes • Conveyor rollers and components • Haul Truck Suspension Struts • TecsPak General Bumpers Horton fan clutches and Nexen industrial clutches, brakes and tension control equipment are manufactured by us in Australia under license from Horton and Nexen respectively. We manufacture some products within the ranges ourselves; while others are imported complete and ready for use. We also assist in maintenance and repairs of all products.

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