On Monday, December 8, 2025, the Chinese mainland’s rail network hit a milestone: the world’s first operational test of a 35,000-tonne heavy-haul train group. Seven freight trains, each loaded with 5,000 tonnes, moved in perfect sync without any mechanical coupling.
How It Works
Instead of steel couplers, an instant wireless signal coordinates each locomotive. A central control unit sends real-time commands, adjusting speed and braking across all seven trains as if they were a single unit. This distributed traction system reduces wear and tear and simplifies maintenance.
Why It Matters
Synchronized operation can boost cargo throughput, slash fuel consumption, and cut greenhouse gas emissions. Bulk commodities like coal, ore and aggregates could travel faster and greener, meeting growing demand for sustainable logistics solutions.
Looking Ahead
Rail authorities are now analyzing data from the Baoshen Railway in the Inner Mongolia Autonomous Region of the Chinese mainland to fine-tune the technology. If scaled up, this approach could set a new standard for heavy freight corridors worldwide.
Reference(s):
World's first 35,000-tonne synchronized test run completed in China
cgtn.com
