One hydrocarbon train of Azergues line: 75960 (Lyon-Nevers) in summer 2004, at Mussy-sous-Dun viaduct. Unhappily, the last freight train on this line ran at June 8, 2005...
A1A A1A 68000 and 68500 (nicknamed "Yayas") are old french diesel locomotives.
68081 climbs with a ballast train, helped by 68539 unit (unvisible). Here is a track slope of 2.2%.