The reference for locomotives and railcars


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Minho e Douro No. 40 “Penafiel” and No. 41
Portugal | 1902 | 2 produced
Locomotive Magazine, January 1903

While the 0-6-2 wheel arrangement was often used in tank locomotives, it was very rarely found in tender locomotives. Two of these exceptions were number 40 “Penafiel” and 41 of the Minho e Douro. They were built by Hanomag, although they basically had a British look. This included the low running boards with the wheel housings for the drivers. However, contrary to British practice at the time, outside cylinders were used, although the broad gauge in particular would have been perfectly suited to accommodating not only the valve gear, but also the cylinders within the frame.

Although the 0-6-2 wheel arrangement is usually assumed to have a radial trailing axle, the trailing axle on this machine was apparently fixed to the frame. A noticeable feature was the dust cover around the first coupled axle, which was intended to protect the valve and drive gear. Following German and American practice, the sand dome was situated on top of the boiler to protect the sand from water. A speed recorder was also installed, which was still a rarity for later steam locomotives.

Axle config0-6-2 (Webb) 
Gauge5 ft 5 11/16 in (Iberian broad gauge)
Dimensions and Weights
Empty weight95,956 lbs
Service weight107,240 lbs
Fuel capacitycoal
Power sourcesteam
Estimated power625 hp (466 kW)
Optimal speed19 mph
Starting effort21,216 lbf
Power Plant
Driver diameter54 in
Boiler pressure160 psi
Expansion typesimple
Cylinderstwo, 18 x 26 in
Grate area21.5 sq ft
Firebox area87 sq ft
Tube heating area1,488 sq ft
Evaporative heating area1,575 sq ft
Total heating area1,575 sq ft
Calculated Values
steam locomotive
last changed: 10/2022

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