Oldenburg G 7
The Oldenburg G 7 steam locomotive was a German 0-8-0 locomotive produced for the Grand Duchy of Oldenburg State Railways (Großherzoglich Oldenburgische Eisenbahn). It was an eight-coupled engine, intended for heavy goods train duties, and was based on the Prussian G 7. It had a 1,660 mm diameter boiler located 2,820 mm above the top of the rails in the plate frame, and was equipped with a single Walschaerts valve gear as well as a Lentz valve gear. Thirteen were taken over by the Deutsche Reichsbahn, grouped into DRG Class 55.62 and given numbers 55 6201–55 6213.
An ex-Prussian G 7.1, no. 55 669, in Potsdam on 17 May 1993
| Oldenburg G 7 DRG Class 55.62 | |
|---|---|
| Wheel arrangement | 0-8-0 |
| Axle arrangement | D n2v |
| Service weight | 58.6 t |
| Adhesive weight | 58.6 t |
| Top speed | 45 km/h (28 mph) |
| Driving wheel diameter | 1,350 mm (4 ft 5 in) |
| Cylinder bore | 500/750 mm |
| Piston stroke | 660 mm |
| Boiler Overpressure | 12 bar |
| Grate area | 2.23 m2 |
| Evaporative heating area | 180.10 m2 |
See also
Sources
- Spielhoff, Lothar (1990). Länderbahn-Dampf-Lokomotiven. Band 1: Preußen, Mecklenburg, Oldenburg, Sachsen und Elsaß-Lothringen (in German). Stuttgart: Franckh'sche Verlagshandlung. ISBN 3-440-06145-0.
| Early locomotives |
|  |
|---|---|---|
| Passenger and express train locomotives | ||
| Goods train locomotives | ||
| Tank locomotives | ||
| Narrow gauge locomotives and railbuses |
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