Hansen M5CT

Right Angle gearboxes, dedicated for Cooling Technology

  • Vertical Right Angle 2-stage industrial gearbox series.
  • Specifically designed for Cooling Technology applications:
    • Wet Cooling Tower fan drives
    • Air Cooled Condenser fan drives.
  • Dedicated product: cost efficient, robust & easy to maintain.
  • Available in 7 sizes (13-53 kNm).
Number of Sizes 7
Housing type Dedicated & rigid housing
Gears Helical and Bevel gears (designed and rated in accordance with AGMA)
Reduction Ratios 6.3:1 to 22.4:1 and special ratio's upon request
Nominal output torque from 13 to 53 kNm
Input speed up to 1800 rpm
Shaft type upon request
Lubrication Standard Oil splash lubrication and optional pump, both without outside piping

Dedicated design, increase of dynamic stability


  • Rigid dedicated Hansen M5CT housing design ensures smooth transition of high axial loads coming from the cooling fan through the gearbox center bore towards the mounting feet, which are positioned concentric to the output shaft.
  • Extended Bearing span with heavy-duty roller bearings, specifically selected for strong shaft support.

Key Product Facts

Output Torque
Right-angle gearboxes
Reduction ratios 6.3 - 22.4

Advantages of Hansen M5CT Cooling Technology series

Dedicated product

Best possible fit for the application Wet Cooling Towers & Air Cooled Condensers

High resistance in corrosive and extreme humidity environments

Use of specific materials fit for the application

Rigid housing

Robust to withstand peak loads coming from the rough application

Unique micro geometry of the gears

Resulting in an optimized pressure distribution

Maintenance friendly

E.g. Specific Oil seals and Inspection cover

Reliable Lubrication

Splash and optional pump, both without outside piping

CTI Specification Design

In accordance with the Cooling Tower Institute (CTI) standard

Instruments & accessories

E.g. Optional condition monitoring: temperature & vibrations

Specific adapter plates

Easy to replace gearboxes in existing installations


Document Type

Hansen M5CT - Right angle gearboxes, dedicated for Cooling Technology


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