Compare locomotives
Add a locomotive
German Reichsbahn class 42
The class 42 or KDL 3 war locomotive was a compromise between the class 52 war locomotive (KDL 1) and the class 44 heavy freight locomotive. It was developed because the class 52 did not always have sufficient power f...
General
| Property | German Reichsbahn class 42Remove |
|---|---|
| Built | 1943-1949 |
| Manufacturers | GGL |
| Wheel arrangement | 2-10-0 (Decapod) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | German Reichsbahn class 42Remove |
|---|---|
| Length | 23.00 m |
| Wheelbase | 9.20 m |
| Rigid wheelbase | 3.30 m |
| Service weight | 96.6 t |
| Adhesive weight | 85.5 t |
| Axle load | 17.6 t |
| Water capacity | 32,000 l |
| Fuel capacity | 10 t (coal) |
Boiler
| Property | German Reichsbahn class 42Remove |
|---|---|
| Grate area | 4.7 m² |
| Firebox surface | 19.3 m² |
| Tube heating surface | 180.24 m² |
| Evaporative heating surface | 199.54 m² |
| Superheater surface | 75.68 m² |
| Total heating surface | 275.2 m² |
Power plant
| Property | German Reichsbahn class 42Remove |
|---|---|
| Driver diameter | 1,400 mm |
| Boiler pressure | 16 bar |
| Expansion type | simple expansion |
| Cylinders | two, 630 x 660 mm |
Power
| Property | German Reichsbahn class 42Remove |
|---|---|
| Power source | steam |
| Indicated power | 1,325 kW (1,801 PS) |
| Top speed | 80 km/h |
| Starting effort | 254.5 kN |
Calculated values
| Property | German Reichsbahn class 42Remove |
|---|---|
| Factor of adhesion | 1 : 3.30 |
| Optimal speed | 32 km/h |
| Power-to-weight ratio | 13.7 kW/t |
| Heating Surface Equivalent | 447.4 m² |
| Cylinder volume/HSE | 1 : 919.71 |
| Adhesive weight/Total | 1 : 1.13 |
| Tractive force/Heating surface | 1 : 19.31 |
| Grate area/Heating surface | 1 : 58.56 |
| Firebox/Tube surface | 1 : 9.34 |
| Total/Superheater | 1 : 2.64 |
