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For over 25 years, Rotrex has produced compact, reliable, and efficient centrifugal superchargers. As the sole centrifugal supercharger used in OEM factory fitment production cars, Rotrex exemplifies both performance and reliability.

All superchargers are developed, manufactured, assembled, and tested in Denmark.

Supported Models:

Universal with mounting fabrication



Compared to traditional centrifugal superchargers, the Rotrex unit offers the highest boost at low and mid-range engine speeds. Compressor speeds as high as 240,000 rpm results in superior acceleration and power delivery.



The secret behind Rotrex is the patented planetary traction drive. Smooth planet rollers without sensitive teeth’s gives silent mechanical operation, less vibrations and offer reliability under all types of operations.


The compactness and shape of the small Rotrex superchargers offers unique packaging advantages and installation flexibility, an important characteristic in the small modern engine compartment.


The Rotrex standard product range consists of several family sizes.


C15 - Max Air Flow 0.22 KG/S

  • Power range: 50-175kW (68-238hp)

  • 201,500 rpm maximum impeller speed

  • 1 : 12.67 gear ratio


C30 - Max Air Flow 0.39 KG/S

  • Power range: 120-320kW (163-435hp)

  • 120,000 rpm maximum impeller speed

  • 1 : 9.49 gear ratio

  • C30-94 available in both CW and CCW


C38 - Max Air Flow 0.63 KG/S

  • Power range: 200-530kW (272-720hp)

  • 90,000 rpm maximum impeller speed

  • 1 : 7.50 gear ratio


C38R - Max Air Flow 0.84 KG/S

  • Power range: 340-720kW (455-965hp)

  • 90,000 rpm maximum impeller speed

  • 1 : 6 gear ratio

  • C38R-112 available in both CW and CCW


Pulley Rings

  • Minimum size Ø70mm

  • Maximum size Ø110mm


The superior performance of Rotrex centrifugal superchargers is driven by their patented traction drive technology. Unlike traditional gear transmissions, traction drives offer advantages like high speeds and low mechanical noise by transmitting power through friction between rolling elements.


This technology, paired with advanced centrifugal compression, results in Rotrex superchargers boasting high adiabatic efficiency and minimal mechanical noise, giving them a significant competitive edge over other forced induction solutions.

Patents: US10132319B2, EP1362198B1



Rotrex superchargers are based on a patented high-speed planetary traction drive. Through innovative technology, advanced materials and quality control we strive to make this product the best in the market.

To get the most out of your Rotrex supercharger and to avoid problems carefully follow the instructions in your supercharger kit documentation and this leaflet.

The guidelines in this leaflet are only for general issues, please contact your Rotrex dealer for all specifications and requirements of the Rotrex supercharger system.

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