Übergangskriegslokomotive

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The Übergangskriegslokomotiven (literally: provisional war locomotives) were austere versions of standard locomotives (

Second World War
in order to accelerate their production. They are often just called 'ÜK' locomotives.

In the Second World War the requirement for motive power, especially goods train locomotives, rose sharply. To cope with the demand the standard locomotive classes 44, 50 and 86 were built, after 1941, to a simpler, more austere design and given the designation (ÜK) after the class number.

Characteristic of ÜK locomotives are e.g. disc wheels on the

feed pumps, Frontschürzen, smoke deflectors
and other equipment not essential for the operation of the locomotives were sometimes left out.

The ÜK classes proved however to be just an interim step. As early as 1941 the requirement for a further, more radical simplification of locomotive construction became ever more pressing. As a result, genuine war locomotives (the

42 and 52, as well as the Class E 44 and E 94
.

See also