The Digital Automatic Coupler (DAC) is redefining the rail freight industry, replacing traditional screw couplings with a fully automated solution.

By streamlining train formation, boosting safety and enabling real-time data exchange across wagons, DAC is the backbone of tomorrow’s digital freight operations. Dellner is reinforcing its leadership in innovation with the launch of its enhanced Generation 4 DAC with mechanical components. Built for maximum durability, performance and simplified installation, the latest upgrades are fully aligned with European DAC standards.

To facilitate the deployment of couplers, Dellner has developed a new installation tool enabling quicker and easier DAC installation in wagons, reducing downtime and improving workshop efficiency.

1. Enhanced Draft Gear

• A new pre-tensioned draft gear offering greater functionality and mechanical resilience in demanding conditions.
• Optimised design for easier handling during installation.

2. Reinforced Mechanical Coupler

• Built to last: a single-piece casted coupler head and shank dramatically increases structural strength and long-term durability.

Dellner’s next-generation Digital Automatic Coupler (DAC Generation 4) was lately undergoing extensive derailment testing at the TÜV Süd facility in Görlitz, Germany – marking a major milestone in the journey toward safer, smarter freight rail. Link to article here.

This rigorous test campaign was designed to validate a key safety scenario: ensuring wagons equipped with DACs remain securely on track, even when pushed into braked wagons on curves. As the first derailment test series for the upgraded Dellner DAC, it sets a new benchmark in operational safety for automated freight systems.

Running over four weeks, the FP5-DACtiVate, Flagship Area 5 program results will provide crucial insights into DAC’s performance under real-world stress.

With every advancement, Dellner reaffirms its commitment to driving a fully digital, safer and more sustainable future for the global freight rail industry

With Dellner, the future of freight is not just coming – it’s already here.

This information was originally published by Dellner Couplers.

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source= https://railway-news.com/upgraded-mechanical-design-of-dellner-dac-gen-4/