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Gran Oeste Argentino No. 311 to 320
The Argentine Great Western Railway, or Gran Oeste Argentino, received ten 2-6-2T tank locomotives from Robert Stephenson & Co. in 1907. These carried the works numbers 3272 to 3281 and the running numbers 311 to 320....
General
| Property | Gran Oeste Argentino No. 311 to 320Remove |
|---|---|
| Built | 1907 |
| Manufacturers | Robert Stephenson & Co. |
| Wheel arrangement | 2-6-2T (Prairie) |
| Gauge | 1,676 mm (Indian broad gauge) |
Dimensions and weights
| Property | Gran Oeste Argentino No. 311 to 320Remove |
|---|---|
| Wheelbase | 8.08 m |
| Rigid wheelbase | 3.66 m |
| Service weight | 72.3 t |
| Adhesive weight | 44.9 t |
| Axle load | 15.3 t |
| Water capacity | 9,093 l |
| Fuel capacity | 2.8 t (coal) |
Boiler
| Property | Gran Oeste Argentino No. 311 to 320Remove |
|---|---|
| Grate area | 2.09 m² |
| Firebox surface | 10.154 m² |
| Tube heating surface | 119.269 m² |
| Evaporative heating surface | 129.423 m² |
| Total heating surface | 129.4 m² |
Power plant
| Property | Gran Oeste Argentino No. 311 to 320Remove |
|---|---|
| Driver diameter | 1,372 mm |
| Boiler pressure | 12.4 bar |
| Expansion type | simple expansion |
| Cylinders | 444 x 610 mm |
Power
| Property | Gran Oeste Argentino No. 311 to 320Remove |
|---|---|
| Power source | steam |
| Estimated power | 429 kW (583 PS) |
Calculated values
| Property | Gran Oeste Argentino No. 311 to 320Remove |
|---|---|
| Power-to-weight ratio | 5.9 kW/t |
| Heating Surface Equivalent | 180.2 m² |
| Adhesive weight/Total | 1 : 1.61 |
| Grate area/Heating surface | 1 : 61.92 |
| Firebox/Tube surface | 1 : 11.75 |
