How used parts contribute to sustainability in the railway industry

Hand holds a cogwheel engraved with a recycling symbol and planted with small succulents – a symbol of sustainability and the circular economy
October 1, 2025 4 min read
How used parts contribute to sustainability in the railway industry
Sustainability is no longer a niche topic – not even in the railway industry. Maintenance, spare parts supply and materials management are increasingly becoming the focus when it comes to using resources efficiently and minimising the ecological footprint. A key lever in this regard is used and reconditioned spare parts. 
 
In the maintenance and materials management of railway companies, workshops and OEMs, the circular economy plays a central role in increasing sustainability. Instead of disposing of decommissioned components, they are tested, reconditioned and reused. This significantly extends the product life cycle and conserves natural resources. 
 
The targeted reintegration of used components – such as traction motor fans, control units or stop devices – saves raw materials and reduces the ecological footprint at the same time. The EU taxonomy also classifies such approaches to reuse and extending usage cycles as sustainable economic activities. 

Advantages at a glance: 

  • Reduction in material consumption

  • Minimisation of waste streams

  • Extension of technical life cycles

  • Cost advantages through economic efficiency

CO₂ savings through used components 

The production of new spare parts is energy-intensive – it involves raw material extraction, transport, manufacturing and logistics. The use of used or refurbished parts eliminates a large part of this process, resulting in a measurable reduction in CO₂ emissions. 
 
This enables companies to demonstrate positive effects, particularly in CO₂ accounting within the framework of ESG reporting (more on this below) or EU disclosure requirements under CSRD. In addition, regional procurement of used components often reduces transport emissions, further contributing to the decarbonisation of the sector. 

Resource efficiency and security of supply  

The railway industry relies on high-quality materials and rare raw materials – such as copper, aluminium and special alloys. The reconditioning of used components increases resource efficiency and reduces dependence on volatile supply chains.
 
This is particularly relevant in the context of geopolitical tensions, rising raw material prices and growing demands on supply chain strategy. The reuse of used parts therefore supports not only ecological but also economic and strategic corporate goals.

Also for smaller workshops: sustainable management with a sense of proportion

Small and medium-sized workshops in particular benefit greatly from the targeted use of used spare parts. For many of these businesses, compliance with ESG indicators is not the primary focus, but rather the economic and operational feasibility of their services.

Used and tested components offer tangible advantages here: 

  • Cost efficiency: The often significantly lower prices of used components ease the strain on the budgets of small workshops and enable economically viable maintenance – even with lower parts volumes.

  • Fast availability: Regional sources of supply often mean that spare parts can be procured more quickly, which reduces downtime and improves customer loyalty.

  • Quality through reconditioning: Modern testing and reconditioning processes ensure proven functionality – an important aspect for smaller companies that cannot afford large-scale quality assurance.

  • Making sensible use of resources: Even smaller companies can make a measurable contribution to resource conservation through reuse – while at the same time positioning themselves as sustainable service providers in the rail vehicle sector.

In practice, this means that those who use used parts wisely work more sustainably, remain competitive and offer their customers fair prices at the same time – a triad that is crucial for many small and medium-sized enterprises in the railway sector. 

ESG-compliant business practices – with a focus on the environment and governance

The use of used components is an effective part of any ESG strategy. In the area of ‘Environment’ (E), it makes demonstrable contributions to climate protection and resource conservation. At the same time, the sustainable use of spare parts also strengthens the ‘Governance’ level – for example, through transparent processes, standardised testing procedures and responsible supply chain management. Companies that focus on reuse at an early stage create a solid foundation for credible sustainability reports.

Economic advantages: Sustainability does not have to be a cost factor 

In addition to environmental arguments, the use of used spare parts also offers economic potential. Maintenance budgets can be optimised, as tested used parts are often significantly cheaper than new parts. At the same time, storage costs are reduced by transferring components that are no longer needed to the secondary market. 
Digital spare parts exchanges and reconditioning service providers create additional flexibility in materials management – and enable seamless integration into existing maintenance processes. 

Conclusion: Combining sustainability, efficiency and responsibility in a meaningful way

By reusing used spare parts, the rail industry has a tangible opportunity to combine ecological and economic interests. Those who rely on used components conserve resources, save CO₂ and at the same time meet important ESG criteria. In times of growing regulatory requirements and social expectations for sustainable action, this is a key lever for remaining future-proof – both ecologically and economically.