Kriegsbauart

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"R(r)(h) Stuttgart", "R(m)(r)s Stuttgart" with 8m axle base, after removal of stakes and waybill basket, finally used as a flatcar Rungenwagen-Rms-Stuttgart-ohne-Rungen.jpg
"R(r)(h) Stuttgart", "R(m)(r)s Stuttgart" with 8m axle base, after removal of stakes and waybill basket, finally used as a flatcar

Kriegsbauart (German, 'wartime class') refers to railway goods wagon classes that were developed during the Second World War for the Deutsche Reichsbahn. The start of the war was an arbitrary dividing line for the classification of goods wagons, and did not represent any technological change. In the period shortly before the war, goods wagons were already being designed from a military perspective. This was particularly true for the stake wagons of 1938, which are occasionally referred to as a 'pre-war class' (Vorkriegsbauart) of wagons.

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The transition from the welded Austauschbauart goods wagons to the first Kriegsbauart classes was therefore defined, not so much by design changes, but far more by a concentration on fewer types of wagons and their construction in greater numbers. The cause of this was the rapid increase in transportation tasks, because the railways in German were sucked into the events of war as never before. The Deutsche Reichsbahn was seen as an indispensable partner of National Socialism, both for the transportation of vehicles, troops and supplies as well as the deportation of Jews to the Nazi concentration camps.

From 1954, the Deutsche Reichsbahn in East Germany put many goods wagons through its reconstruction programme. Some of these ''Reko'' goods wagons  [ de ] were in service until the start of the 1990s.

For consistency, the division of the goods wagons described in this article is based on that in the Austauschbauart article.

Standard goods wagons

Of the eight standard goods wagons that were built in significant quantities as Austauschbauart classes, there were only four types for which there was a further requirement in 1939: the two covered vans (G…s Oppeln and Gl…s Dresden), the stake wagons (Rs Stuttgart) and the open goods wagons (Om). Because the first three had been continuously developed during the 1930s, they still met wartime requirements and were built in very large batches during the early years of the war. They sometimes had so-called refinements that speeded up production and minimised the amount of steel used.

For the open wagons, by contrast, not only was a higher maximum load demanded, but also a greater loading volume. As a result, in 1937/38 the Omm wagon was designed from scratch with a maximum load of 24.5 tons and a loading length of 8.72 metres (28.6 ft) (as opposed to 7.72 m or 25.3 ft on Om wagons). Construction began in 1939. Notable external features are the axle base of 6 m (20 ft) and the three-dimensional strut frame that tapers downwards to a point. A total of 73,850 of these wagons appeared in three variants:

Class GroupingSide wallsSole barYears of manufactureQuantity
OmmrLinz1.00 m (3 ft 3 in) high and removableinside, fish-belly girder reinforcement1939−416130
outside1941−4318605
OmmruVillach1.55 m (5 ft 1 in) high and fixed1939−4549115

All Omm wagons were equipped with Hildebrandt-Knorr brakes as well as, in some cases, hand brakes. The Ommr Linz wagons were especially well-suited to carrying vehicles and had special securing equipment for that purposes.

Standard goods wagons with steel-saving features

During the war, the four standard goods wagons were sometimes redesigned with slightly different dimensions. They had to be sparing in their use of steel, and faster and cheaper to manufacture. Sometimes design solutions were found that clearly streamlined goods wagon construction. These wagons, built from 1943 onwards, were lighter than their predecessors, but at the same time could carry more. However, the cost of using cheaper steel and thinner profiles was greater wear and tear and a permanent deformation from the outset. As a result, after a few years, extensive improvements were needed.

Class GroupingGrouping
of predecessor wagon
Changes to dead weight
c.f. predecessor wagon,
Data for wagons with hand brake
Quantity
from 1943
to end of war
Quantity
from end of war
to 1950
GmhsBremenOppeln-20%72006190
GlmhsLeipzigDresden-17%4French zone of occupation  250
RmmsUlmStuttgart-16%12647Soviet zone of occupation ?
OmmruKlagenfurtVillach-21%22944

Special goods wagons

More special wagons appeared, albeit no longer in pre-war quantities. Several classes, which had already been developed before 1939, continued in production, sometimes modified. In order of production quantity they were:

Important new builds, in order of quantity, were:

Identification markings and livery

From about 1942 almost all goods wagons of the Deutsche Reichsbahn were inscribed merely with the initials "DR", together with the name of a so-called "class district" (Gattungsbezirk), a wagon number ( Wagennummer) and category letters (Gattungszeichen). From 1940, the livery colours were changed again, for example, from December 1941 the iron roofs of covered wagons were painted black-brown (not a RAL colour) and, from, 1943, in a grey-black colour (RAL 7021).

Additional class districts

From 1921 all goods wagons with the same or similar functions were grouped into so-called class districts which were the names of German cities, mostly those in which there was a Reichsbahn divisional HQ. From 1942, the DRG introduced the following additional class districts:

Additional class districts of the Deutsche Reichsbahn from 1942
Class districtsCategory lettersWagon typeDesignPeriod
BremenGmhsCovered wagonsKriegsbauartfrom 1943
GrazOmmufOpen wagons for motor vehicle transportKriegsbauart - trial wagonsfrom 1943
HeilbronnRRs; SSosFour-axled stake and rail wagonsKriegsbauart - trial wagonsfrom 1943
KlagenfurtOmmuOpen wagonsKriegsbauartfrom 1942
LeipzigGlmhsLarge-volume covered wagonsKriegsbauartfrom 1943
MarburgGu, OCovered or open wagonsYugoslavian designfrom 1943
RigaGG, OOFour-axled wagonsLatvian designfrom 1943
UlmRmmsStake wagonsKriegsbauartfrom 1942

See also:

See also

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Open wagon Railway wagons for transportation of bulk goods

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Cattle wagon

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Goods wagons of welded construction were developed and built by the Deutsche Reichsbahn in Germany from 1933 to about 1945. With the introduction of welding technology in 1933 almost all wagon components were joined by welding and no longer by rivetting. This enabled goods wagons to be designed, for example, for higher speeds or for higher payloads through the use of different types of steel and other engineering changes, but their further development was so heavily influenced by the exigencies of the Second World War that, as early as 1939, the Deutsche Reichsbahn had to temper the design of goods wagons to the new economic circumstances. Because there were overlaps in the change from the Austauschbauart - goods wagons made with interchangeable components - to the new welded classes, the period of the changeover cannot be exactly defined. Several standard goods wagons and their classes are covered in other articles. Goods wagons built during the Second World War that were purely intended for military transport use, are covered under the article on Kriegsbauart - wartime classes.

Class district

Class districts were a classification system for railway goods wagons used by the Deutsche Reichsbahn (1920–1945) in Germany between the wars.

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