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

Off-Highway Drives HT/S Advantage On/Off Pneumatic Fan Drives for Off-Highway Engines

HTS pneumatic fan clutch

We started with a technologically advanced hub bearing assembly optimized for durability. We added a PFD (Piston Friction Disc) featuring the System Sentry®. This patented device reacts to heat build up caused by fan drive slippage or fan obstructions. When it senses excessive heat, the System Sentry releases, disengaging the fan drive before extensive damage occurs to the cooling system.


  • Variety of off-highway equipment
  • Variety of on-highway equipment

Features & Benefits

  • Augmented durability via air operation; especially effective for high-run-time equipment
  • Leakage prevention and increased longevity thanks to double O-ring seals and long-life air cartridge
  • Better protection against excessive temperatures in harsh climates

Related Documents

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