The classic linear model was simple: produce, use, scrap. The circular economy closes this chain: a vehicle that reaches the end of its economic life is dismantled, its valuable components go into remanufacturing, its material is recovered, and the cycle starts again. Carrying tonnes of steel, aluminium and qualified components, the heavy vehicle is one of the most efficient application areas for this model.
Three Links: Dismantling, Remanufacturing, Recovery
Systematic dismantling treats the vehicle not as a scrap heap but as a component library: axles, brake components and suspension elements are separated and classified according to their condition. Remanufacturing brings suitable components back to as-new specification under factory conditions. The remaining mass is recovered by material type; steel and aluminium turn into new products without loss of properties. Academic studies on the sector show that this chain produces returns that are not only environmental but directly economic.
The Lesson Returning to the Design Desk
- Bolted and modular joints are preferred over bonded and mixed structures
- Material variety is reduced; single-material modules ease separation
- Components' identity and history data are the basis for the second-life decision
- A dismantling guide is now part of product documentation
A vehicle that can be dismantled is a vehicle that retains its value; circular design is not a cost but an investment in the vehicle's end-of-life value.
References
- Saidani, M., Yannou, B., Leroy, Y. & Cluzel, F. (2020). Dismantling, remanufacturing and recovering heavy vehicles in a circular economy. Resources, Conservation and Recycling, 156, 104684. DOI: 10.1016/j.resconrec.2020.104684