DB Cargo Hungaria trials double traction diesel locomotives to improve performance, flexibility and efficiency across freight operations.
DB Cargo Hungaria is testing a new double traction control system for diesel locomotives, aiming to improve operational efficiency and flexibility across its freight services.
The system allows two locomotives to be coupled and operated as a single unit through an electrical connection. Control commands are synchronised, enabling both locomotives to respond simultaneously under the control of a single driver.
Double traction system enhances freight flexibility and power
The trial focuses on validating technical performance, including control accuracy, power output and driving behaviour under real operating conditions. The goal is to secure final approval from the National Safety Authority for wider deployment.
By enabling one driver to operate two locomotives, the system delivers increased traction power while optimising resource use. This approach is expected to support more demanding operations, including heavy shunting and specialised freight transport.
The technology also offers potential benefits for mainline operations on non-electrified routes, providing a reliable alternative where additional traction is required. This could strengthen operational resilience and improve service flexibility across the network.
As part of the trial programme, both locomotives involved have undergone significant upgrades, including engine overhauls, gearbox improvements, and the installation of new cab air-conditioning systems to enhance reliability and driver comfort.
The current testing phase will provide critical data to support further development and potential wider adoption of double traction solutions within rail freight operations.
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