POL-MIEDŹ TRANS, a subsidiary of KGHM Group, has completed four days of testing for a hydrogen-powered locomotive. The tests, which took place from September 4 to 7, 2025, focused on evaluating the locomotive’s technical performance, efficiency, and safety under industrial conditions. This initiative is part of the company’s efforts to reduce CO₂ emissions and inform future investments in low-emission transport.
The tests were conducted primarily on KGHM Group’s internal rail infrastructure. They assessed aspects such as hydrogen consumption, operational range, and the vehicle’s handling during manoeuvres and when hauling heavy loads like sand, concentrate, and copper ore near Lubin, Rudna, and Polkowice.
“Hydrogen is the future of rail transport, and for our Company it represents a real opportunity to reduce emissions and operating costs,” said Adam Najda, acting President of the Management Board of POL-MIEDŹ TRANS. “The company owns 65 diesel and electric locomotives, 19 of which are modernised SM42 type 6Dg locomotives. Their monthly operation involves the emission of 176 tonnes of CO₂ into the atmosphere. Hydrogen propulsion systems can significantly reduce this carbon footprint,” he emphasized.
The SM42-6Dn Hydrogen locomotive was developed by PESA Bydgoszcz SA as part of broader efforts to address energy transition challenges in rail transport. Before arriving at KGHM’s operations in Lower Silesia—where initial testing included a passenger run—the unit had undergone successful trials in Scandinavian markets.
Piotr Stryczek, Vice President of the Management Board for Corporate Affairs at KGHM Polska Miedź S.A., stated: “Reducing the carbon footprint and tackling climate change is a very important commitment for KGHM. We consistently implement measures to reduce greenhouse gas emissions in our production processes. We involve in these measures Group companies that support the core technology pipeline and show potential in achieving KGHM’s goals.” He added: “The tests of a hydrogen-powered locomotive that have just been completed provide us with extensive materials for analysis. The experience gained will provide a solid foundation for KGHM Polska Miedź and POL-MIEDŹ Trans to carry out further joint work and to prepare for key investment decisions.”
The tested SM42-6Dn Hydrogen model is designed mainly for shunting tasks. It features four traction motors (each rated at 180 kW), two hydrogen fuel cells (85 kW each), an autonomous driving system allowing single-person radio control, a centrally located driver’s cab aimed at improving safety and comfort, as well as an obstacle recognition system.



