The SERVO makes it possible for wheelchair users — even with reduced strength — to move independently and increase their mobility.

The device's standard programme to drive uphill and downhill accompanied by its intelligent safety braking mechanism makes it friendly to users to drive safely uphill and downhill.

The working concept of the SERVO combines physical power and active mobility while relieving joints and muscles.

High-capacity wheels inbuilt in the wheels itself support the wheelchair user's initial movement.
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SERVO— The Add-On Power Support For Your Wheelchair

The gearless SERVO initiates an entirely new driving feeling without making noise

High-capacity motors, discreetly blending into the wheels, support the wheelchair user’s initial movement.

The SERVO'S full display and necessary details such as the battery charge is in the operating grip itself keeping users fully aware while operation. With the SERVO'S, there is permanent and efficient power of the rear wheels.

Easy mobile


The SERVO – powered wheels are disengaged easily and without tools. 

Each foldable wheelchair with attached SERVO may be folded as before. Due to the SERVO’s new wheel mounting system, NUI, the powered wheels are easily stored next to or on top of each other.

The SERVO fits almost into any trunk because it can be stored in a space-saving way.

The powered wheels without stud axles are particularly easily stored, also in narrow spaces.

Advantages that convince

  • Battery range up to 55 km
  • NUI - Universal Mounting to almost all commercially available wheelchairs
  • Powered wheels without stud axles 

  • Optionally with lithium ion or lead acid battery


SERVO - The power support for your wheelchair
SERVO Technical Data
Total weight approved (1) 200 kg
Max. weight of the person 150 kg
Possible wheel sizes 24"
Speed forward | backward supports up to 6 km/h | 3 km/h
Range with one charge
of the batteries (2)
up to 55 km over 25 km
Braking-/climbing capacity (3) up to 20%
Batterie technology Lithium-ion Lead-acid
Batteries 28,8 V / 16 Ah 24 V / 9,5 Ah
Direct current motor 2 x 28,8 V / 70 W
Weight, powered wheels 10,1 kg each
Weight, batteries 4,2 kg 5,8 kg
Weight, control unit 0,1 kg
Weight, bag for battery pack 0,2 kg
Weight, interface 0,1 kg
Total weight 24,8 kg 26,4 kg

(1) Please note the manufacturer’s stipulations for the maximum load..
(2) According to ISO 7176-4, the range depends on the person’s weight, the underground, the territory, the temperature, etc.
(3) The Braking - / climbing capacity also depends on the underground, the territory, the temperature, etc. 

Download Brochure SERVO
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Ms Chris First Copier Johor
Only after using CC200, I had less reliance on human labor. A job that requires 3 people before, and now only one person can do it. This allows me to better allocate staff to continue grow the company's business. CC200 it's awesome!
Mr Lee LC Engineering
Our staff used it once so far. They said it's the best decision we made!

Stairclimbers have grown to be increasingly popular in this day and age because of the numerous benefits made available from these units. It offers the main benefit of moving heavy loads down and up the steps with ease. Whether you are a home-owner seeking to move heavy furniture upstairs, or a businessman seeking to transport heavy goods for the upper floor of your own building, a stair climber dolly could possibly be the best solution for your needs. At AAT Asia, we offer a wide range of stair climbers from the CargoMaster brand, ranging from stairclimbing hand trolleys for transporting goods to personal stairclimber wheelchairs for rehabilitation, as well as stairclimbing wheelchairs for aviation. If you have any enquiries regarding our products, do either give us a phone call or send us an e-mail.

AAT Asia is part of ATM Trading (M) Sdn Bhd -- a prominent and competitive name providing total business solutions in office automachines. We offer a wide range of products including our latest division, the CargoMaster and Aviation wheelchair, after being appointed sole distributor of AAT Alber Antriebstechnik GmbH for the Asian region. Our vision for the immediate future would be to inevitably incorporate the idea of grooming our image towards a more concerned company with the intention of protecting this industry, as well as facilitating for customers' needs and wants.