Re 620 # 063 (Re 6/6 # 11663) and Re 420 # 341 (Re 4/4 II # 11341) of the SBB in multiple control, also called a "Re 10/10", pull the steel train 49025 form the Swiss Steel in Emmenbrücke via Lucerne (switchback)-Rotkreuz-Arth Goldau-Erstfeld-Bellinzona-Ceneri Base Tunnel to Chiasso (- Lecco/Italy) with a load of 1394 ton on the Gotthard mountain line between Wassen and Göschenen. This locomotive consist is allowed for the maximum of 1400 ton train load on the 2.6 % grade over the Gotthard.