In the years of the depression, coal traffic in South Wales decreased, and the need for short-journey heavy tank locomotives of the 42xx class diminished. At the same time old goods engines of the 2600 'Aberdare' class were becoming worn out. Collett therefore adapted some of the 42xx engines, which were very strong, to give longer range. This was done by extending the length of the frames at the rear by over 4ft, by enlarging the coal bunker and adding a pair of trailing wheels. Altogether 54 engines were thus dealt with.

7202, the third engine so altered, was adapted from 42xx No. 5277, built in 1926. 7202 entered service in September 1934. It was sent to Ebbw Junction in South Wales, ending its working life at Barry BR depot, from where it was shunted into Woodham Bros. yard for cutting up.

The locomotive was purchased by the Great Western Society on 1st January 1973 from Woodhams of Barry and brought to Didcot in April 1974, where it is gradually being returned to working order.

Click on any of the pictures on this page for a larger version.

Wheel Arrangement	2 - 8 - 2T
Cylinders	(2) 19 x 30 inches
Driving wheel diameter	4 feet 7.5 inches
Tractive Effort	33,170 pounds
Weight	92 tons 12cwt.
Coal Capacity	6 Tons
Water Capacity	2,500 gallons
Route Availability	Red
Power Class	E

Boiler type	Standard No. 4
Boiler pressure	200 lbs/sq in
Barrel maximum dia.	5 feet 6 inches
Barrel length	11 feet
Area of firegrate	20.56 sq ft
Heating surfaces, firebox	128.72 sq ft
Heating surfaces, tubes	1349.64 sq ft
Superheater Area	191.79 sq ft

More information: Locomotive Project Web Site >>

 

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