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Concept
Open wagon
Summary
Open wagons (trucks in the UK) form a large group of railway goods wagons designed primarily for the transportation of bulk goods that are not moisture-retentive and can usually be tipped, dumped or shovelled. The International Union of Railways (UIC) distinguishes between ordinary wagons (Class E/UIC-type 5) and special wagons (F/6). Open wagons often form a significant part of a railway company's goods wagon fleet; for example, forming just under 40% of the Deutsche Bahn's total goods wagon stock in Germany.
Since the 1960s, the majority of goods wagons procured by European railway administrations have been built to standards laid down by, or based on, those established by the UIC. In addition to open wagons the table also shows wagons with opening roofs (Class T), whose design is based on open wagons.
File:El-Wagen-UIC-Bauart1-Zittau.jpg|Twin-axled UIC Type 1 open wagon, used as an ash wagon, on a [[transporter wagon]] in [[Zittau]]
File:Es-Wagen-UIC-Bauart2-Raspenava.jpg|A Czech ([[České dráhy|ČD]]) twin-axled open wagon of UIC Type 2 in [[Raspenava]]
These wagons have a level floor and solid sides with at least one door on each side. They are mainly used for transporting bulk goods, coal, scrap, steel, wood and paper. The majority of wagons have folding sides and end walls, otherwise they are given the letters l (fixed sides) or o (fixed end walls). Wagons may have one or two folding end walls.
Steel rings enable ropes, nets or covers to be attached to secure the load.
Some of these wagons can also be completely tipped over, in other words, at certain places they can be lifted up and emptied by being turned about their longitudinal axis. This requires a very robust underframe. Sometimes the wagons are fitted with rotatable couplings so that they do not have to be individually uncoupled.
In 1998, the Deutsche Bahn (DB) had about 16,000 four-axle Class E wagons. They have increasingly retired their twin-axled E wagons since the 1990s and they are now rarely seen.
Official source
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