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Bavarian D XII (Pt 2/5 N) and Palatinate Railways Pt 2[h]II[/h]
The class D XII tank locomotives were mainly built for the branch lines that ran from Munich into the mountains. At the time they were put into service, they were one of the most powerful tank locomotives and were als...
| Bavarian D XII (Pt 2/5 N) and Palatinate Railways Pt 2[h]II[/h]Remove | |
|---|---|
| Variant | |
| Built | 1897-1903 |
| Manufacturers | Krauss;Maffei |
| Wheel arrangement | 1B2 t |
| Gauge | 1435 mm |
| Length | 11850 mm |
| Service mass | 68800 kg |
| Top speed | 90 km/h |
| Power | |
| Engine |
General
| Property | Bavarian D XII (Pt 2/5 N) and Palatinate Railways Pt 2[h]II[/h]Remove |
|---|---|
| Built | 1897-1903 |
| Manufacturers | Krauss, Maffei |
| Wheel arrangement | 2-4-4T (Boston/Forney) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Bavarian D XII (Pt 2/5 N) and Palatinate Railways Pt 2[h]II[/h]Remove |
|---|---|
| Length | 11.85 m |
| Wheelbase | 8.80 m |
| Service mass | 68.8 t |
| Adhesion mass | 28.8 t |
| Axle load | 14.6 t |
| Water capacity | 9,100 l |
| Fuel capacity | 3 t (coal) |
Boiler
| Property | Bavarian D XII (Pt 2/5 N) and Palatinate Railways Pt 2[h]II[/h]Remove |
|---|---|
| Grate area | 1.96 m² |
| Evaporative heating surface | 104.6 m² |
| Total heating surface | 104.6 m² |
Power plant
| Property | Bavarian D XII (Pt 2/5 N) and Palatinate Railways Pt 2[h]II[/h]Remove |
|---|---|
| Driver diameter | 1,640 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 450 x 560 mm |
Power
| Property | Bavarian D XII (Pt 2/5 N) and Palatinate Railways Pt 2[h]II[/h]Remove |
|---|---|
| Power source | steam |
| Estimated power | 400 kW (544 PS) |
| Top speed | 90 km/h |
| Starting effort | 70.5 kN |
Calculated values
| Property | Bavarian D XII (Pt 2/5 N) and Palatinate Railways Pt 2[h]II[/h]Remove |
|---|---|
| Factor of adhesion | 1 : 4.01 |
| Optimal speed | 35 km/h |
| Power-to-weight ratio | 5.8 kW/t |
| Adhesive weight/Total | 1 : 2.39 |
| Tractive force/Heating surface | 1 : 14.08 |
| Grate area/Heating surface | 1 : 53.37 |
