Gran Oeste Argentino No. 311 to 320
Argentina 1907 10 produced
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. Later they were renumbered 901 to 910. Designed by Charles H. Fox, they had outside cylinders and Walschaert valve gear. The side tanks with a total capacity of 2,000 imperial gallons were relatively high and might have obstructed the view forward.
Technical data
General
- Built
- 1907
- Manufacturers
- Robert Stephenson & Co.
- Wheel arrangement
- 2-6-2T (Prairie)
- Gauge
- 1,676 mm (Indian broad gauge)
Dimensions and weights
- Wheelbase
- 8.08 m
- Service mass
- 72.3 t
- Adhesion mass
- 44.9 t
- Rigid wheelbase
- 3.66 m
- Axle load
- 15.3 t
- Water capacity
- 9,093 l
- Fuel capacity
- 2.8 t (coal)
Boiler
- 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
- Driver diameter
- 1,372 mm
- Boiler pressure
- 12.4 bar
- Expansion type
- simple expansion
- Cylinders
- 444 x 610 mm
Power
- Power source
- steam
- Estimated power
- 429 kW (583 PS)
Calculated values
- 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
