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 | |
|---|---|
| Number(s) |
|
| Quantity | 22 |
| Year(s) of manufacture | 1912–1918 |
| Wheel arrangement | 0-8-0 |
| Axle arrangement | D n2v |
| Service weight | 58.6 t (57.7 long tons; 64.6 short tons) |
| Adhesive weight | 58.6 t (57.7 long tons; 64.6 short tons) |
| Top speed | 45 km/h (28 mph) |
| Driving wheel diameter | 1,350 mm (4 ft 5 in) |
| No. of cylinders | 2, compound |
| LP cylinder bore | 750 mm (29 1⁄2 in) |
| HP cylinder bore | 500 mm (19 11⁄16 in) |
| Piston stroke | 660 mm (26 in) |
| Boiler Overpressure | 12 kgf/cm2 (1.18 MPa; 171 lbf/in2) |
| Grate area | 2.23 m2 (24.0 sq ft) |
| Evaporative heating area | 180.10 m2 (1,938.6 sq ft) |
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 |
| |
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.