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LCX variable speed fan drivesLCX variable speed fan drives

Off-Highway Drives LCX viscous fan drives for off-highway equipment

lcx viscous fan drive

From the global engine cooling pioneer comes the most cutting-edge fan drive yet. Designed specifically for large off-highway equipment, the LCX230 and 170 feature a durable, live center, industry-leading low-speed controllability, lower off speeds and Cold-Start Disengagement (CSD™) technology.


  • Agricultural tractors
  • Industrial crane trucks
  • Backhoe loaders
  • Excavators
  • Other construction equipment
  • Generator sets
  • Variety of on-highway equipment

LCX230 specifications

Maximum torque
300 Nm [2,655 in.-lbs.]
Fan blade capacity (diameter)
Configurations of 6 – 13 blades
711 - 864 mm [28" – 34"] diameter
Engine horsepower range
300 - 600 kW [400 – 800 HP]
Drive mass
9 kg [19.8 lbs.] (depending on the shaft)
Drive diameter
275 mm [10.83"]
12v and 24v
Typical engine displacement
10 – 15 L

LCX170 specifications

Maximum torque
170 nM [1,504 in.-lbs.]
Fan blade capacity (diameter)
Configurations of 6 – 13 blades
610 - 813 mm [24" - 32"] diameter
Engine horsepower range
150 - 335 kW [200 – 450 HP]
Drive mass
8.5 kg [18.7 lbs.] (depending on the shaft)
Drive diameter
249 mm [9.8"]
12v and 24v
Typical engine displacement
10 – 6 – 12 LL

Features & Benefits

  • CSD ensures more efficient operation and low fuel consumption
  • 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 bearing and durable design

Related Documents

Video of Product

The LCX series' unique reservoir design prevents engagement at startup, reducing noise and enhancing engine and cab warmup -- especially during cold weather. Its low-speed controllability maximizes fuel efficiency and horsepower while reducing noise with smooth modulation.

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