The dynoKRAFT CFM25 mobile cooling fan offers high air output in compact size.

This mobile cooling unit offers manual control through variable resistor or automatic, vehicle speed related output control (through SP5 control signal) – wind speeds up to 80km/h.

Compatible with US FTP, Subpart F – World Motorcycle Test Cycle (WMTC) procedure.

With this cooling unit you’ll no longer have to worry about engine overheating problems.

dynoKRAFT mobile cooling units offer many unique features to help you work more efficiently.
Please hover mouse cursor over hot-spots in image to learn more.

Air fins
controlled steady air flow thanks to direction fins.

Effective cooling
efficient vehicle cooling without flow restrictions thanks to side covers made of perforated sheet metal.

Highest mobility and flexibility
Thanks to Castors with truck lock you may change installation location whenever you need.

Powerful electric motor
The CFM25 mobile cooling unit is using belt drive to reduce noise and powerful 7,5kW electric motor.

Output control
The CFM25 comes with remote controller and two operation modes -manual and -automatic.

In automatic mode the fan output is proportional to vehicle speed (SP5 DAQ required).
Frequency Drive
The built-in Variable Frequency Drive operates the fan with 0-100% output on demand.
Cabinet cooling
Two small cooling fans are provided to continuously replace hot air inside the cabinet assuring reliable Frequency Drive operation for long period of time.

Dimensions and Weights

  • total length: 1100mm
  • total width: 1010mm
  • total height: 1350mm
  • air output height (lower edge to floor): 855mm
  • weight: ~290kg

Workshop requirements

  • Electric power: 380/400V 50Hz 32A 3-phase *
  • dynamometer equipped with SP5 Controller **

(*) Other electrical systems available on request at no extra charge.
(**) The SP5 DAQ system is sending an signal to control the fan output 0-100% in relation to vehicle/roller speed. Without the SP5 DAQ manual operation is possible.


  • Large, high flow fan
  • integrated frequency drive
  • automated output control (SP5 DAQ required)
  • remote manual controller with 3m cable
  • flow stabilizing fins


  • Volumetric flow rate up to: 25.000 m³/h
  • Air Pressure up to: 800 Pa
  • Air Speed up to: 28 m/s
  • Noise level up to: 100 dB

Scope of delivery

  • dynoKRAFT CFM25 mobile cooling fan
  • remote controller with 3m cable
  • color shame: RAL 7035 / RAL 9005*

(*) custom RAL colors available at extra charge.

Please use the Products order form to order your dynoKRAFT CFM30 mobile cooling fan. Our team will get back to your as soon as possible.

Should you have any technical questions or problems using the below form feel free to contact us. Our staff will assist you immediately.