Bavarian Pt 2/4 N
The Bavarian Pt 2/4 N was a steam locomotive with the Royal Bavarian State Railways (Königlich Bayerische Staatsbahn). It was developed in parallel with the Bavarian Pt 2/3 and for the same duties. Instead of a fixed carrying axle it was given a bogie. This change brought no advantage, so the more cost-effective Pt 2/3 was favoured. The two Pt 2/4 N engines were nevertheless taken over by the Reichsbahn, but were retired by 1928.
| Bavarian Pt 2/4 N DRG Class 72.1 | |
|---|---|
| Number(s) |
|
| Quantity | 2 |
| Manufacturer | Krauss |
| Year(s) of manufacture | 1909 |
| Retired | 1928 |
| Wheel arrangement | 4-4-0T |
| Axle arrangement | 2′B n2t |
| Track gauge | 1,435 mm (4 ft 8 1⁄2 in) |
| Length over buffers | 9,065 mm (29 ft 9 in) |
| Service weight | 39.0 t (38.4 long tons; 43.0 short tons) |
| Adhesive weight | 26.2 t (25.8 long tons; 28.9 short tons) |
| Axle load | 13.2 t (13.0 long tons; 14.6 short tons) |
| Top speed | 65 km/h (40 mph) |
| Driving wheel diameter | 1,250 mm (4 ft 1 1⁄4 in) |
| Leading wheel diameter | 800 mm (2 ft 7 1⁄2 in) |
| No. of cylinders | 2 |
| Cylinder bore | 350 mm (13 3⁄4 in) |
| Piston stroke | 500 mm (19 11⁄16 in) |
| Boiler Overpressure | 12 kgf/cm2 (1,180 kPa; 171 lbf/in2) |
| No. of heating tubes | 155 |
| Heating tube length | 3,500 mm (11 ft 5 3⁄4 in) |
| Grate area | 1.22 m2 (13.1 sq ft) |
| Evaporative heating area | 73.56 m2 (791.8 sq ft) |
| Water capacity | 6 m3 (1,300 imp gal; 1,600 US gal) |
| Fuel | 1,100 kg (2,400 lb) |
See also
| Early locomotives |  | |
|---|---|---|
| Passenger and express train locomotives | ||
| Goods train locomotives | ||
| Tank locomotives | ||
| Branch line locomotives | ||
| Narrow gauge locomotives | ||
| Electric locomotives | ||
| Railbuses |
| |
| Bavarian Ostbahn locomotives | ||
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