The International Steam Pages


Uruguay Locomotive Nş 3

Tabare Bordach emtb@adinet.com.uy has sent technical details of this locomotive.

The picture shows Nş 3 hauling a special composed of pick-up 752 (1890) and coach 663 (1913), all of British design! On this National holiday, the loco carries small Uruguayan flags on its front end, and is seen working a 23-mile run from Montevideo to Sauce and return.

3 in action

Builder: Manning, Wardle & Co., Leeds, England, UK, 1198/1890

Type: 0-6-0 saddle tank

Principal Dimensions (British Units )

Two inside cylinders, single expansion ...    11 in. x 17 in.
Driving wheel diameter............................     3 ft. 6 in.
Heating surface, tubes .............................     306 sq. ft.
firebox ...........................     40 sq. ft.
total evaporative.....................................     346 sq. ft.
Grate area ...............................................     7½ sq. ft.
Boiler, working pressure ..........................     140 lb. per sq. in.
78 tubes, outside diameter .............     2 in.
length between tubeplates ..............     7 ft. 6 in.
inside diameter of barrel ................     2 ft. 97/8 in.
Tractive effort (at 75 % boiler pressure)....     5140 lb.
Wheelbase ...............................................     10 ft. 3 in.
Weight in working order ..........................     16 UK Ton. 7½ cwt.
Water tank capacity .................................     430 UK gallons
Coal bunker capacity ...............................     1680 lb.
Total length over buffers ..........................    20 ft. 10½ in.
Extreme width .........................................     7 ft 6 in
Height, from rail to top of chimney ...........     10 ft. 5 in.
Adhesion factor: 7.14
Type of drawgear: Centre-screw coupling and side buffers.
Valve gear: Stephenson; slide valves.
Brakes: Screw-down handbrake operating through wood shoes on the second and third wheelpairs. Wheels have brake shoes on one side.


Rob Dickinson

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