Diesel locomotives — typically CC 6600 / Romanian-built LDH / Alsthom diesel-electric classes rotated from the SOPAFER fleet; exact loco varies by consist
Locomotive Weight
Approximately 70–110 tonnes depending on class (typical CC 6600 116 t)
Track Gauge
1,000 mm (Metre gauge) — Dakar–Niger Railway standard
Braking Technology
Vacuum brake (Westinghouse) on heritage passenger stock, supplemented by locomotive independent brake
Route Engineering Challenges
493 km single-track metre-gauge mainline through the Sahel with very limited passing loops
Built 1882–1904 by French colonial engineers; original track and ballast dating from the early 20th century
Extremely slow running (average under 30 km/h, often under 25 km/h) due to track condition
Seasonal track damage from May–August rainy season (flooding of cuttings, washouts on laterite sections)
Harmattan dust storms December–February reduce visibility and foul filters
Senegal River bridge (Diamou area) maintenance constraints — single-track crossing of the flood-plain
Five-year full closure 2018–June 2023 — service finally resumed 9 June 2023 with refurbished rolling stock, partly second-hand Indian LHB-type carriages
Line length (Bamako–Kayes)
493 km (official fahrplancenter.com / Ministère des Transports du Mali timetable)
Journey time
15 h 50 min Bamako→Kayes (Train 2); 15 h 45 min Kayes→Bamako (Train 1)
Service resumption
9 June 2023 (resumed after a five-year suspension; previous cessation 2018)