The Longest Trains in the World
If you ask what is the longest trains in the world? The train from Nouadhibou to Zouerat is the longest railway in the world. The train was carrying iron ore and carrying thousands of tons of rock in the carriage with the chain length of three kilometers. Schedule and their frequency depends on the speed of extraction at the mine, CART has hundreds of carriages and arranged along 3 kilometers.
If you ask what engine that used by this train to carry hundred of rail cars? These trains use 3 or 4 diesel-electric locomotives 3300V General Motors in the head and pull 200 rail cars that carry up to 84 tons of iron ore, the train from Nouadhibou to Zouerat is the longest train in the world.

