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Amarillo Drive Shaft CF67 425L

The Amarillo Drive Shaft CF67 425L is a high-performance cooling tower drive shaft coupling designed for efficient torque transmission between the motor and gearbox. It is engineered for medium-to-heavy industrial cooling tower applications where stable operation, corrosion resistance, and vibration control are essential. This model delivers reliable performance under continuous duty conditions with optimized span and load capacity.

  • Cooling tower fan drive systems
  • Industrial HVAC cooling systems
  • Power generation facilities
  • Chemical and process industries
  • OEM replacement and retrofit drive applications

Drive cooling tower systems with stable performance and reduced mechanical stress using a lightweight yet high-strength composite coupling. 

  • High-strength-to-weight composite design reduces bearing load and vibration
  • 316 stainless steel hubs and hardware ensure strong corrosion resistance
  • Patented composite flex disc eliminates fretting corrosion and reduces maintenance
  • Precision dynamic balancing ensures smooth and stable operation
  • High vibration and shock absorption protects gearbox and motor components
  • Designed for medium-span cooling tower applications with stable alignment
  • Tested for high torque performance and continuous industrial duty

Built for performance validation under real-world industrial stress, these specifications define its operational limits and capacity. 

  • Model: CF67 425L
  • Maximum horsepower: 150 HP @ 1,800 RPM (2.0 service factor)
  • Maximum DBSE (span): 122 in @ 1,800 RPM / 133 in @ 1,500 RPM
  • Continuous torque: 5,250 in-lb (593 Nm)
  • Peak overload torque: 21,000 in-lb (2,374 Nm)
  • Flex disc configuration: 6-bolt composite flex disc system
  • Flex disc outer diameter: 6.75 in (171 mm)
  • Bore range: 1.56 in (40 mm) to 3.00 in (76 mm)
  • Maximum hub bore: up to 3.375 in (90 mm)
  • Material construction: 316 stainless steel hubs + composite spacer system
  • Assembly weight: approx. 53 lbs (depending on span condition)

Dynamic balance: AGMA 9000-C90 Class 9 compliant

Additional information

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