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Ferrocarriles Nacionales No. 57 and 58
Colombia | 1935 | 2 produced
works photo Robert Stephenson & Co.

The location of the Colombian capital Bogotá in the middle of the Andes meant that the 132 km Girardot-Tolima-Huila route started in Girardot at an altitude of 330 meters, followed the Rio Bogotá and reached the capital's suburbs at 2,620 meters. This led to gradients of 4.5 percent with curve radii of up to 72 meters. Since the Kitson-Meyer locomotives already in use there with six coupled axles were soon no longer sufficient, the now nationalized railway tendered the development of even more powerful locomotives in 1934.

The need to accommodate extremely powerful locomotives on the three foot gauge again led to articulated locomotives, this time with eight coupled axles. In addition to the Baldwin-supplied No. 72 simple MalletKitson-Meyer developed the No. 57 of their design. As the size of the locomotive was beyond the factory's capacity, it was manufactured by Robert Stephenson & Co. in Darlington.

Number 57 therefore had the wheel arrangement 2-8-0+0-8-2T and, in accordance with the Kitson-Meyer design, had the firebox between the bogies. The water supplies consisted of a total of 11,340 liters on the two sides of the boiler and 6,804 liters on the rear bogie. This ensured an even weight distribution that hardly changed even as the amount of water dwindled. Since there was an oil refinery in their working area, it was fired with oil. 5,000 liters of it were also stored on the rear bogie

Schematic drawing with dimensions
Schematic drawing with dimensions
Die Lokomotive, April 1944

Since the locomotive apparently performed well in the first tests, a second one was promptly ordered. The number of the Baldwin machine originally intended as number 58 was rewritten to 72 and the second locomotive was given the number 58. Both were in service until 1959.

General
Built1935
ManufacturerRobert Stephenson & Co.
Axle config2-8-0+0-8-2T (Kitson-Meyer) 
Gauge3 ft 0 in (Three feet)
Dimensions and Weights
Fixed wheelbase10 ft 1 1/2 in
Service weight291,760 lbs
Adhesive weight259,840 lbs
Axle load32,480 lbs
Water capacity18,144 us gal
Fuel capacity5,000 lbs (oil)
Power
Power sourcesteam
Estimated power2,000 hp (1,491 kW)
Optimal speed21 mph
Starting effort59,988 lbf
Power Plant
Driver diameter37.5 in
Boiler pressure210 psi
Expansion typesimple
Cylindersfour, 17 3/4 x 20 in
Boiler
Grate area51 sq ft
Evaporative heating area2,567 sq ft
Superheater area640 sq ft
Total heating area3,207 sq ft
Calculated Values
steam locomotive
freight
Kitson-Meyer
narrow gauge
last changed: 06/2022
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