Digital Automatic Coupling of Electric Locomotives Speeds Up Freight Transport in China

Digital automatic coupling has been implemented on electric locomotives in Nanning, enabling faster freight operations and boosting efficiency on railway routes linking central China with southern ports. This is reported by the railway transport news portal Railway Supply.

Digital automatic coupling as a modernization element

The Nanning division of China Railway and CRRC jointly developed and commissioned a modern automatic coupling system for HXD1C locomotives. These units have been in production since 2009, and their upgrade now meets new logistics demands.

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Previously, double-heading locomotives for steep sections on the Nanning–Kunming route was carried out manually. This process took time and required significant labor. With digital automatic coupling, connection takes just 5 seconds, significantly reducing delays.

The system lowers the risk of operational errors, increases safety, and shortens downtime at stations. This is especially valuable for freight operators aiming to optimize costs and increase rolling stock turnover.

Digital automatic coupling in an international perspective

The global railway sector is also moving toward digitalization. In April, Knorr-Bremse and Voith Turbo reported successful tests of devices that enable trains with digital automatic coupling to connect with wagons and locomotives fitted with traditional systems.

Experts predict that such technologies will become a standard in international freight transport. For China, this strengthens its position in the global logistics market, as reducing operational time directly impacts competitiveness.

Introducing such solutions showcases the experience and technical expertise of Chinese engineers. It also reinforces the country’s reputation as a leader in integrating innovative solutions into transport infrastructure.

FAQ

What is digital automatic coupling?

Digital automatic coupling is a system that automatically connects locomotives and wagons, reducing coupling time and improving operational safety.

Can digital automatic coupling be used with traditional systems?

Yes, adapters and compatible technologies allow rolling stock with digital automatic coupling to connect with conventional coupling devices.

How does digital automatic coupling affect freight speed?

It reduces coupling time to just 5 seconds, cutting delays and increasing overall railway transport efficiency.

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