Rail vehicle retrofit

ABB’s retrofit solutions enable operators to modernize existing rail vehicles with the latest traction technologies — improving performance, reliability, and energy efficiency. Together with our certified partners, we deliver tailored solutions to ensure the optimal fit for each customer’s specific needs.

Why replace when you can retrofit?

Modernize your fleet with ABB’s engineered retrofit system solutions - a smarter, more sustainable alternative to full replacement. Boost performance with cutting-edge traction technology while reducing environmental impact through energy-efficient upgrades. Minimize downtime thanks to tailored, plug-and-play solutions, and enable digital intelligence for predictive maintenance and fleet optimization. By extending vehicle lifespan without full replacement, ABB helps you maximize return on investment and drive a more sustainable future in rail mobility.

Key benefits

Extend fleet lifetime, elevate performance, and meet modern standards while delivering enhanced passenger comfort, improved health and safety, and greater operational reliability.

Extended Vehicle Lifetime

Modern traction technology and component upgrades extend operational life by up to 15 years, maximizing the value of existing assets.

Improved Efficiency and Sustainability

Energy savings of up to 20% and reduced CO₂ emissions contribute to lower operational costs and cleaner operations.

Simplified Maintenance

Standardized components and modernized systems reduce maintenance complexity and downtime, enabling faster servicing and lower lifecycle costs.

Enhanced Passenger Comfort

Upgraded components and optimized traction systems ensure smoother acceleration, reduced noise, and improved ride quality, providing a more comfortable experience for passengers.

Improved Health and Safety

State-of-the-art systems and upgrades enhance onboard safety, reduce vibration and noise exposure, and ensure compliance with the latest health and safety standards.

Long-Term Value Growth

Retrofitting extends asset performance, increases reliability, and reduces lifecycle costs — maximizing return on investment and supporting sustainable fleet growth.

Upgrading Existing Fleets for Long-Term Value

At ABB, we specialize in delivering engineered system solutions tailored to the unique requirements of retrofitting and modernizing rail fleets. Our approach addresses key challenges such as component obsolescence, energy efficiency goals, and environmental decarbonization targets. To ensure seamless integration and optimal performance, we collaborate closely with certified integrators, aligning on vehicle-specific parameters including interfaces, operational scope, and technical expectations. Together, we enable sustainable, future-ready rail systems.

  1. Obsolescence

    Continuous fleet operation starts with future-ready technology. ABB transforms legacy systems into modern, maintainable solutions, ensuring spare parts availability, reducing downtime, and simplifying maintenance. Upgrade today to secure performance for tomorrow.

  2. System and performance improvement

    Unlock next-level performance with ABB’s advanced retrofit solutions. By upgrading traction systems and critical components, we boost efficiency, enhance operational agility, and extend asset life. Our smart solutions deliver the power and reliability of new vehicles, while streamlining maintenance and optimizing lifecycle value.

  3. Energy savings and decarbonization

    ABB’s retrofit solutions, whether through hybrid upgrades or full electrification, unlock real energy savings and reduce CO₂ emissions. For operators, this means not just lower operating costs, but a strategic leap toward hitting sustainability goals and staying competitive in a carbon-conscious market.

  4. Reliability and availability improvement

    ABB’s retrofit engineering team delivers cutting-edge traction concepts tailored for performance and reliability. Fleet managers gain a strategic edge with enhanced uptime, predictive maintenance capabilities, and streamlined operations. The impact is measurable: lower lifecycle costs, consistent maintenance cycles, and a boost in overall fleet performance.

Video Highlights

See how we support customers with our rail retrofit solutions

Which rail vehicles do we retrofit?

From agile light rail vehicles to high-power locomotives, ABB’s retrofit solutions breathe new life into every type of fleet. Explore different applications in our interactive WebApp.

Traction Solutions for Rail Vehicle Retrofits

Traction Converter

Integrated high-performance traction converters combining propulsion and auxiliary power in a single, compact, and reliable unit.

Auxiliary Converter

ABB offers a comprehensive range of high performance auxiliary converters. All the ABB auxiliaries are realized using pre-validated power modules controlled by a standard software library.

Battery Charger

ABB's ultra-compact and lightweight battery charger sets a new benchmark in railway applications, combining Silicon Carbide (SiC) technology with unmatched integration flexibility.

Energy Storage Converter

ABB's Energy Storage Converter (ESC) solutions are built on ABB’s proven standard platform — combining robust hardware and flexible software architecture to ensure seamless integration and reliable performance.

Traction Battery

ABB Traction Batteries are lithium-ion onboard energy storage systems designed for maximum safety and long lifetime. They can be used as traction or auxiliary batteries across road, off-highway, and railway vehicles.

Traction Motor

Highly efficient, customizable solutions designed for optimal performance across diverse applications and drive cycles.