Uploaded August 2026 | Updated September 2026, 3 weeks ago

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As we learned in our previous episode, railways in different countries may use different track gauges. So how can a locomotive travel by rail to a country with a different gauge?

At Alashankou Border Port, technicians replace the locomotive’s standard-gauge transport bogies with broad-gauge bogies, allowing it to continue its journey into Kazakhstan. See how this fascinating bogie-changing process works!