About Arnold Mobility
Our Mission
At Arnold Mobility, we develop flexible protection and connection systems for demanding rail and mobility applications. Our solutions are designed to protect components, accommodate movement, guide airflow and ensure reliable operation throughout a long service life.
Building on more than 160 years of industrial experience, we combine proven engineering know-how with the requirements of modern transportation.
Our core products include traction motor ventilation bellows, flexible compensators for air and ventilation ducts, protective bellows and customized flexible covers for rail vehicles and related mobility applications.
We work closely with OEMs, system suppliers and operators to develop durable solutions for applications involving vibration, temperature, weather exposure, fire protection and continuous mechanical movement.
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Our Products
Flexible protection and connection systems engineered for demanding rail and transportation applications.
Traction Motor Boots
Flexible bellows for reliable airflow between vehicle and traction motor components. Engineered to accommodate movement, vibration and demanding operating conditions while protecting the ventilation system.
Expansion Joints
Flexible compensators for ventilation, cooling and HVAC duct systems. Designed to connect rigid duct sections while absorbing movement, vibration and installation tolerances.
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Air Duct Systems
Custom ventilation and air duct systems for rail vehicles and other mobility applications. Designed for reliable airflow, compact installation spaces and long-term operation under vibration, temperature changes and demanding environmental conditions.
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Our Certifications
Get in Touch
Have questions or need guidance? Reach out to our team today. We are dedicated to helping you make the most of our mobility solutions.