The hopper truck (model 19-9838 and 19-9838-01) is designed for bulk transportation of the main types of uncontrolled granular or powdery bulk cargo requiring shelter from atmospheric precipitation, with unloading at the points that have handling equipment. The car is suitable for operation over the entire railway network of a track of 1520 mm.

The wagon-hopper grain carrier (model 19-9944-01) is intended for transportation of grain and other similar food products by rail.