Compare locomotives
Add a locomotive
Austrian Southern Railway and Imperial-Royal State Railways class 629
Ernst Prossy developed the class 629 for the Südbahn based on the class 229 2-6-2T tank locomotive of the Südbahn and kkStB. It had a leading bogie in order to be able to increase power while maintaining the axle and ...
General
| Property | Austrian Southern Railway and Imperial-Royal State Railways class 629 1927 variant |
|---|---|
| Built | 1927-1928 |
| Manufacturers | StEG, Wiener Neustadt, Krauss Linz, Škoda |
| Wheel arrangement | 4-6-2T (Pacific) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Austrian Southern Railway and Imperial-Royal State Railways class 629 1927 variant |
|---|---|
| Length | 13.35 m |
| Wheelbase | 9.59 m |
| Rigid wheelbase | 3.60 m |
| Service weight | 83.8 t |
| Adhesive weight | 45 t |
| Axle load | 15 t |
| Water capacity | 12,000 l |
| Fuel capacity | 3 t (coal) |
Boiler
| Property | Austrian Southern Railway and Imperial-Royal State Railways class 629 1927 variant |
|---|---|
| Grate area | 2.7 m² |
| Firebox surface | 12.2 m² |
| Tube heating surface | 129.65 m² |
| Evaporative heating surface | 141.85 m² |
| Superheater surface | 33.75 m² |
| Total heating surface | 175.6 m² |
Power plant
| Property | Austrian Southern Railway and Imperial-Royal State Railways class 629 1927 variant |
|---|---|
| Driver diameter | 1,614 mm |
| Boiler pressure | 13 bar |
| Expansion type | simple expansion |
| Cylinders | two, 475 x 720 mm |
Power
| Property | Austrian Southern Railway and Imperial-Royal State Railways class 629 1927 variant |
|---|---|
| Power source | steam |
| Indicated power | 830 kW (1,128 PS) |
| Top speed | 90 km/h |
| Starting effort | 111.2 kN |
Calculated values
| Property | Austrian Southern Railway and Imperial-Royal State Railways class 629 1927 variant |
|---|---|
| Factor of adhesion | 1 : 3.97 |
| Optimal speed | 45 km/h |
| Power-to-weight ratio | 9.9 kW/t |
| Heating Surface Equivalent | 270.4 m² |
| Cylinder volume/HSE | 1 : 943.87 |
| Adhesive weight/Total | 1 : 1.86 |
| Tractive force/Heating surface | 1 : 13.23 |
| Grate area/Heating surface | 1 : 65.04 |
| Firebox/Tube surface | 1 : 10.63 |
| Total/Superheater | 1 : 4.20 |
