Prussian G 12.1
| Prussia, Alsace-Lorraine G 12.1 DRG Class 58.0 SNCF 150 B |
|
|---|---|
| Number(s) | DRG 58 001–015 |
| Quantity | 33 |
| Manufacturer | Henschel |
| Year(s) of manufacture | 1915–1917 |
| Retired | 1957 |
| Wheel arrangement | 2-10-0 |
| Axle arrangement | 1'E h3 |
| Type | G 56.17 |
| Track gauge | 1,435 mm (4 ft 8 1⁄2 in) |
| Length over buffers | 20,340 mm (66 ft 9 in) |
| Service weight | 98.8 t |
| Adhesive weight | 84.3 t |
| Axle load | 17.1 t |
| Top speed | 60 km/h (37 mph) |
| Indicated Power | 1,203 kW |
| Driving wheel diameter | 1,400 mm (4 ft 7 in) |
| Leading wheel diameter | 1,000 mm (39 in) |
| No. of cylinders | 3 |
| Cylinder bore | 560 mm (22 in) |
| Piston stroke | 660 mm (26 in) |
| Boiler Overpressure | 14 bar |
| Grate area | 3.28 m2 (35.3 sq ft) |
| Superheater area | 77.72 m2 (836.6 sq ft) |
| Evaporative heating area | 195.63 m2 (2,105.7 sq ft) |
| Tender | pr 2'2' T 21.5 |
| Water capacity | 21.5 m3 (4,700 imp gal) |
| Saxon XIII H DRG Class 58.1 SNCF 150 D |
|
|---|---|
| Number(s) | 1165–1184 DRG 58 101–114 |
| Quantity | 20 |
| Manufacturer | Hartmann |
| Year(s) of manufacture | 1917 |
| Length over buffers | 20,703 mm (67 ft 11.1 in) |
| Service weight | 101.1 t |
| Superheater area | 81.26 m2 (874.7 sq ft) |
| Evaporative heating area | 210.51 m2 (2,265.9 sq ft) |
| Tender | sä 2'2' T 21 |
| Water capacity | 21.0 m3 (4,600 imp gal) |
| data shown where different from G 12.1 | |
The Prussian G 12.1 was a German steam locomotive built for the Prussian state railways during the First World War and was the largest Prussian freight locomotive with a 2-10-0 wheel arrangement. It had three cylinders, the two outer ones driving the third axle and the inner one the second axle.
As early as 1913 there was a requirement for a powerful goods train locomotive in several of the divisions within the Prussian state railways. This need grew as a result of the First World War; at the same time however the delivery of the first engine by Henschel-Werke was delayed until 1915.
Between 1915 and 1917, 21 vehicles were built for Prussia and 12 for the Imperial Railways in Alsace-Lorraine. All the locomotives were manufactured by Henschel. The Prussia locos went to the Erfurt, Cassel and Saarbrücken divisions. Further production was then ceased in favour of the G 12.
The Deutsche Reichsbahn took over 15 vehicles from Prussia as the DRG Class 58.0 and gave them operating numbers 58 001–015. The majority of locomotives were retired by 1935. Numbers 58 002 and 005 ended up in the Deutsche Reichsbahn in East Germany after the Second World War. The last one, number 58 005, was retired in 1957.
The Alsace-Lorraine machines were joined after the First World War by five more former Prussian G 12.1s and employed in front of heavy coal and ore trains. The SNCF designated them as 150-B-546 to 562 and scrapped them by 1955.
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