The German Class 87 was a standard (see ''

Einheitsdampflokomotive The Einheitsdampflokomotiven ("standard steam locomotives"), sometimes shortened to ''Einheitslokomotiven'' or ''Einheitsloks'', were the standardized steam locomotives built in Germany after 1925 under the direction of the Deutsche Reichsbahn-Gesel ...

'') goods train

tank locomotive A tank locomotive or tank engine is a steam locomotive that carries its water in one or more on-board water tanks, instead of a more traditional tender. Most tank engines also have bunkers (or fuel tanks) to hold fuel; in a tender-tank loc ...

with the

Deutsche Reichsbahn-Gesellschaft The ''Deutsche Reichsbahn'', also known as the German National Railway, the German State Railway, German Reich Railway, and the German Imperial Railway, was the German national railway system created after the end of World War I from the regiona ...

(DRG). It was specifically designed by the firm of

Orenstein & Koppel Orenstein & Koppel (normally abbreviated to "O&K") was a major German engineering company specialising in railway vehicles, escalators, and heavy equipment. It was founded on April 1, 1876 in Berlin by Benno Orenstein and Arthur Koppel. Ori ...

for use in

Hamburg Harbour The Port of Hamburg (german: Hamburger Hafen, ) is a seaport on the river Elbe in Hamburg, Germany, from its mouth on the North Sea. Known as Germany's "Gateway to the World" (''Tor zur Welt''), it is the country's largest seaport by volum ...

. The harbour lines had minimal curve radii of only and high train loads to be moved. The

axle load An axle or axletree is a central shaft for a rotating wheel or gear. On wheeled vehicles, the axle may be fixed to the wheels, rotating with them, or fixed to the vehicle, with the wheels rotating around the axle. In the former case, bearin ...

had to be no more than . These requirements resulted in an axle count of five axles. In order to keep wear and tear on the running gear within acceptable limits only the middle three wheelsets were linked by

coupling rods A coupling rod or side rod connects the driving wheels of a locomotive. Steam locomotives in particular usually have them, but some diesel and electric locomotives, especially older ones and shunters, also have them. The coupling rods transfer ...

, the two Luttermöller outside axles were driven by cogs. Due to damage the vehicles were partly also operated as 1′D, D1′ or 1′C1′ engines. From 1951 they were superseded by DB Class 82 locomotives.

References

* * {{DRG locomotives 87 0-10-0T locomotives 87 Railway locomotives introduced in 1927 Standard gauge locomotives of Germany E h2t locomotives Freight locomotives

See also

References