Compare locomotives
Add a locomotive
Polish State Railways Ok22
In the early twenties, the Polish PKP ordered Hanomag to design an improved variant of the Prussian P 8. Hanomag built the first five in 1923, which were designated Ok22 due to their year of design. Compared to the P ...
| Polish State Railways Ok22Remove | |
|---|---|
| Variant | Standard |
| Built | 1923, 1928-1934 |
| Manufacturers | Hanomag;Fablok |
| Wheel arrangement | 2C |
| Gauge | 1435 mm |
| Length | 18612 mm |
| Service mass | 78900 kg |
| Top speed | 100 km/h |
| Power | |
| Engine |
General
| Property | Polish State Railways Ok22 Standard Remove |
|---|---|
| Built | 1923, 1928-1934 |
| Manufacturers | Hanomag, Fablok |
| Wheel arrangement | 4-6-0 (Ten-wheeler) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Polish State Railways Ok22 Standard Remove |
|---|---|
| Length | 18.61 m |
| Empty mass | 71.8 t |
| Service mass | 78.9 t |
| Adhesion mass | 51 t |
| Total mass | 130.4 t |
| Axle load | 17 t |
| Water capacity | 21,500 l |
| Fuel capacity | 10 t (coal) |
Boiler
| Property | Polish State Railways Ok22 Standard Remove |
|---|---|
| Grate area | 4.01 m² |
| Firebox surface | 14.1 m² |
| Tube heating surface | 116.3 m² |
| Evaporative heating surface | 130.4 m² |
| Superheater surface | 51.7 m² |
| Total heating surface | 182.1 m² |
Power plant
| Property | Polish State Railways Ok22 Standard Remove |
|---|---|
| Driver diameter | 1,750 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 575 x 630 mm |
Power
| Property | Polish State Railways Ok22 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 950 kW (1,292 PS) |
| Top speed | 100 km/h |
| Starting effort | 121.4 kN |
Calculated values
| Property | Polish State Railways Ok22 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.12 |
| Optimal speed | 48 km/h |
| Power-to-weight ratio | 12.0 kW/t |
| Heating Surface Equivalent | 304.3 m² |
| Cylinder volume/HSE | 1 : 1,075.21 |
| Adhesive weight/Total | 1 : 1.55 |
| Tractive force/Heating surface | 1 : 13.92 |
| Grate area/Heating surface | 1 : 45.41 |
| Firebox/Tube surface | 1 : 8.25 |
| Total/Superheater | 1 : 2.52 |
