Fals type wagons on 4 axles, with bulk gravity unloading, is used to convey large quantities of bulk materials that are not moisture sensitive. They are typically used in freight block trains (train-load consignements) for conveing bulk ore,coal,coke and stone.

The Fals wagons are open hopper wagons which can be loaded with mechanical flap activation, and discharged under gravity through a saddle-bottomed hopper having a pair of discharge flaps on both sides .