
The CargoMaster A350 -
YOUR SPECIALIST FOR HEAVY LOADS
YOUR SPECIALIST FOR HEAVY LOADS
The Cargomaster A350 is an electrically powered stair climber that has been specially developed for the safe and efficient transport of heavy loads of up to 350 kg. Perfectly suited for bulky and heavy-duty goods such as boilers, photocopiers, gaming machines and many other heavy objects, the A350 makes everyday work much easier.
Thanks to the ergonomically adjustable and height-adjustable handles as well as a powerful battery that can handle up to 18 floors on a single charge when fully loaded, the Cargomaster A350 not only offers maximum flexibility and comfort, but also high efficiency at work. The A350 ensures safe and stable transport of your valuable goods, especially in confined and hard-to-reach areas.

TRANSPORT HEAVY LOADS SAFELY UP AND DOWN STAIRS
CargoMaster A350 - Effortless transportation of heavy loads
The Cargomaster A350 masters even challenging transport tasks with ease and reliability. Thanks to the infinitely variable speed and the two innovative climbing modes, this electric stair climber offers extremely flexible use - ideal for transporting heavy and bulky loads.
Continuous climbing mode:
In continuous climbing mode, the A350 climbs steps continuously and efficiently in one go, enabling fast and smooth transport - perfect for many steps and heavy loads.
Single step mode:
Single step mode is particularly useful when precision is required. At the touch of a button, the Cargomaster A350 stops after each step and only continues travelling when the user presses the switch again. This mode is ideal for narrow stairwells or sensitive loads and is particularly advantageous for beginners.
Compact transport solution:
The Cargomaster A350 is not only powerful, but also space-saving. When folded, it has a compact size of 1187 x 595 x 516 mm and fits easily into smaller vehicles. This makes it the ideal solution for flexible use and transport in urban environments or for changing locations.

Ready for every challenge - in any application sector
The Cargomaster A350 - For every challenge in all areas of application
The Cargomaster A350 is not only powerful and flexible, but also extremely versatile. With its robust design and user-friendly operation, it is the perfect partner for a wide range of industries and applications. Whether you work in heating installation, switch cabinet construction or sales technology - the A350 masters every challenge with ease.
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Heating engineer
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Stove builder
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White goods
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Vending Automaten
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Switch cabinet construction
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Slot machines
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Copying machines
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... and much more!

Fast, safe transport for heavy loads
CargoMaster A350
The Cargomaster A350 is the perfect solution for transporting heavy loads quickly, safely and easily up and down stairs. With a load capacity of up to 350 kg, the A350 also transports bulky and heavy equipment effortlessly and efficiently. Whether as a stair climber or sack truck - the A350 is a powerful transport aid both on steps and on level surfaces.
Technical highlights
Load capacity
Steps per minute
Floors per battery charge*
*At a maximum load of 350 kg in stair-up operation. With an average load of approx. 75 kg, the range increases to approx. 57 floors with one charge of the battery. More details can be found in the user manual.
Advantages that convince
The A350 stairclimber sets new standards in ease of use and handling. Thanks to proven technologies such as the multi-stage battery display, they offer optimum user comfort and reliable performance in daily use.

up to 350 kg over stairs

Step edge braking system per wheel

For improved user- experience

up to 350 kg over stairs

Step edge braking system per wheel

For improved user- experience
Solid rubber tires
The solid rubber tires make the CargoMaster puncture-proof - even when the wheels are subjected to heavy continuous loads. Various pneumatic tires are available as an option.
Flexible use
Whether indoors or outdoors, on straight or spiral staircases - the CargoMaster is a strong partner in any environment.
Center of gravity adjustment
Thanks to its height-adjustable shovel, the A350 makes it easy to adjust the load's center of gravity, making the transport of heavy goods more stable and safer.
The CargoMaster in action
Would you like to find out more about the CargoMaster?
The all-rounder for professionals
Discover the CargoMaster - the high-quality transport device for safe and back-friendly stair climbing. With more than 30 years of experience in stair transport solutions, we offer you proven technology for professional use. Whether it's heavy loads, sensitive equipment or bulky goods: the CargoMaster makes transporting on and off stairs significantly easier while reducing the risk of accidents and physical strain.
Efficient. Ergonomic. Safe.
Rely on quality and let the CargoMaster work for you - so you no longer have to carry a load yourself. Ideal for trade, logistics, facility management and many other industries.
Profitable & economical
The CargoMaster protects your back and quickly becomes an indispensable assistant for stair transportation.
Efficient & professional
By using the CargoMaster, one person is often enough to transport even heavy loads quickly and safely.
Simple & uncomplicated
Thanks to an extensive range of accessories, our stair climbers can be converted quickly and often without tools.
Focus on safety & quality
AAT is the only manufacturer to offer “maximum safety” as standard! All models are equipped with our step braking system.
Consultation & free demonstration
An individual and personal consultation is our top priority. AAT offers you a dense network of competent sales representatives throughout Germany who will be happy to advise you on all questions relating to the right CargoMaster for your requirements.
Would you like to find out more about our CargoMasters? Then request a non-binding offer or make an appointment for a free on-site demonstration.

GOOD HEALTH PAYS OFF
BG BAU subsidy for electric stair climbers!
Invest in health and safety in the workplace: BG BAU supports the purchase of ergonomic work equipment with attractive health and safety bonuses. When you purchase an electric stair climber from our CargoMaster range, you will receive a grant of up to €700 - quickly and easily.
Our electric stair climbers take the strain off your employees, minimise accident risks and meet the highest standards of modern occupational safety.
✔️ Eligible for funding from BG BAU
✔️ Secure up to €700 subsidy
✔️ Personal advice on how to apply
Find out more now and take advantage of the subsidy - your health pays off!

Technical data CargoMaster A350
Max. Lifting capacity | 350 kg |
Steps edge brake system per wheel | ✓ |
Single step mode | ✓ |
Climbing speed per minute (1) | 5 - 11 steps |
Range with one battery charge (Ø 75 kg) (1) | approx. 57 floors |
Range with one battery charge (Ø 350 kg) (1) | approx. 18 floors |
Direct current motor | 24 V / 275 W |
Standard battery (2) | 2x 12V/ 7,2Ah |
Width / depth in mm | 1187-1793 / 595 / 516 |
Battery weight | 5,9 kg |
Total weight incl. battery | 50,4 kg |
(1) Climbing speed and range may decrease with increasing weight. Range determined in pure up-stairs mode.
More technical data can be found in the user manual.



Frequently asked questions (FAQ):
The CargoMaster A350 is equipped with intuitive controls and requires only a short training period. Thanks to its ergonomic handles and stable design, operation is safe and comfortable, even under maximum load.
The CargoMaster A350 is equipped with a stable braking function that ensures that the load comes to a safe stop on every step without sliding down in an uncontrolled manner. This function increases safety for the operator and the transported goods. In addition, the A350 has an intelligent counterbalance system that ensures that the load remains stable even on steep stairs. This enables safe and smooth movement without the risk of tipping or instability.
Yes, we offer comprehensive instruction in the operation of the CargoMaster A350 when the stair climbers are delivered. This training covers all the necessary safety precautions, efficient driving and correct battery charging. Our experienced staff are on hand to answer any questions you may have.
Yes, the CargoMaster A350 is designed for both indoor and outdoor use.
Yes, we offer free demonstrations including test drives with the CargoMaster A350. This allows you to test the mobile stair climber under real working conditions and see its performance and handling for yourself. Simply make an appointment with our sales team to arrange a free, no-obligation demonstration at your company.
The CargoMaster A350 has a powerful 24 V lead-acid battery weighing around 6 kg. The practical service life varies depending on the load:
At maximum load (350 kg), it can climb around 330 steps per load - this corresponds to around 18 floors with 18 steps each.
The CargoMaster A350 is available directly from us - the manufacturer. As the developer and producer of the CargoMaster, we not only offer you an original quality product "ENGINEERED in Germany", but also expert advice, customised service and direct support - without any middlemen.
If you would like to purchase the CargoMaster A350, please send us a non-binding enquiry using our contact form or by e-mail. We will advise you personally, provide you with all the important information and create a customised offer that is precisely tailored to your area of application.