This solution is used to tow wagons in both directions (back and forth) without any turning manoeuvres. It is perfect for narrow aisles and dead ends. Operators only have to uncouple the tractor and couple it to the other end of the train. Coupling and uncoupling can be performed manually (by getting out of the tractor) or quickly and automatically with a Rockinger-type coupling.This solution is compatible with two-wagon trains.