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A winding highway takes a turnA winding highway takes a turn

On-Highway Drives LCX170 Fully Variable Fan Drives

LCX170 Fully-Variable Fan Drive

From the global engine cooling pioneer comes the most cutting-edge, medium-duty fan drive yet. Designed specifically for mid-sized on-highway trucks, the LCX170 features a durable, live center, industry-leading low-speed controllability, lower off speeds and Cold-Start Disengagement (CSD™) technology.


  • Medium-duty trucks
  • Vocational trucks
  • Buses
  • Specialty on-highway vehicles
  • Variety of off-highway equipment


Maximum torque
1,504 in.-lbs. [170 N-m]
Fan blade capacity (diameter)
Configurations of 6 – 13 blades
24 – 32 in. [610 – 813 mm] diameter
Engine horsepower range
200 – 450 hp [150 – 335 kW]
Drive mass
14.3 lbs. [6.5 kg] (assuming 1-kg shaft)
Drive diameter
9.8 in. [249 mm]
12v and 24v
Typical engine displacement
6 – 12 L

Features & Benefits

  • CSD provides faster and quieter engine starts
  • Maximum fuel efficiency and available engine power with less noise
  • Excellent controllability and lower off speeds
  • Fully-variable operation cools engine only as needed, reducing noise and parasitic loss while optimizing fuel economy
  • Maximum uptime and long life
  • Maintenance-free
  • High-quality bearings and durable design

Related Documents

Video of Product

The LCX170's unique reservoir design prevents engagement at startup, reducing noise and enhancing engine and cab warmup -- especially during cold weather. Superior control at low fan speeds maximizes fuel efficiency and horsepower while reducing noise with smooth modulation.

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