To relieve your personnel

The lifting and carrying of persons/patients up and down stairs on a daily basis is one of the greatest physical challenges for the personnel of rescue services and ambulances. Often this type of work leads to acute or chronic back pains or injuries. Due to the tendency of an increase in patients’ weights and the continuously increasing number of missions, it is indispensable to search for solutions to physically relieve your personnel in the long run. AAT presents the solution with the newly developed mobile stair climber CR23.

Approved by TÜV Rheinland Kraftfahrt GmbH,
Technology Center Traffic Safety, D-Cologne,
according to EN 1789:2007+A2:2014 (dynamic testing/
crash testing) in folded and unfolded condition.

When strain turns into relief

The CR23 is a stair climber with a foldable, integrated seat. It can be folded in next to no time and is easily stored thanks to its compact dimensions.

A special charging jack on the stair climber in connection with specifically provided charging components make it possible to charge the device in the vehicle while driving to an emergency call.

Special brackets for the transportation in vehicles create the basis for a secure transportation in your vehicle. This bracket systems are apprived by the motor and vehicle department of Rhineland according to DIN EN 1789:2007 (crash test). Click the button down below for further information about the bracket systems of AAT.

The ideal attendant —

for daily use

With the extendable guide handle you have the chance to direct the CR23 while climbing the stairs. Moreover the second person convey the patient a comfortable and safe feeling. The function of this person is only safeguarding, but not elementary necessary for operating.

The climbing speed of the CR23 is continuously adjustable. Safety brakes stop automatically at the edge of the stairs. Thereby you could correct on the stairs on any time. The control unit and the grips are designed considering the latest ergonomic findings.

Further features such as the double LED to light up dark stairs or the multi-level display to indicate the batteries’ capacity complete the CR23’s standard equipment.

Technology that you can trust —

safe and mobile with CR23


  • Max. weight of the person 230 kg
  • Foldable, thus space saving
  • ComfortStep - for a comfortable driving experience
  • No damage to the edges of stairs
  • High versatility, even on winding or narrow staircases
  • To be used as a pushing wheelchair as well
  • Automatic braking function when descending
  • Continuously adjustable climbing speed
  • Single-step-mode
  • LED‘s for safe operation in lowlight situations
  • Engine immobilser to prevent unauthorized use



ComfortStep —

The combination of pleasant driving characteristics
and a comfortable climbing experience

The ComfortStep is also used in AAT‘s latest development, the CR23 stair climber. It convinces by quietly and softly touching the step which makes the movement more pleasant. The result is that the climbing process is more comfortable for the patient due to low vibrations. ComfortStep is a standard component of each CR23 stair climber. It works in the single step mode as well as in the regular climbing mode. The adaptation to a variety of step heights is a further function provided by ComfortStep. This makes an easy and individual adaptation to your particular stairs possible.

Advantages that convince

  • Pleasant and comfortable climbing process
  • Individually adjustable to various steps’ heights
  • Available for the single step mode as well as the regular climbing mode

moving —

the CR23 in action

AAT offers you a wide range of bracket systems

for the locking of your stair climber in the vehicle


Further information on the product



Intelligent accessories

for your CR23

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