Barry Railway Class B

4 ft 8+1⁄2 in (1,435 mm) standard gaugeDriver dia.4 ft 4 in (1.321 m)Loco weight51 long tons 2 cwt (114,500 lb or 51.9 t) (57.2 short tons)Fuel typeCoalBoiler pressure150 psi (1.03 MPa)CylindersTwoCylinder size18 in × 26 in (457 mm × 660 mm)Valve gearStephenson

Performance figures
Tractive effort	21,230 lbf (94.44 kN)

Career
Operators	BR » GWR » BR
Withdrawn	1922–1949
Disposition	All scrapped

Barry Railway Class B were 0-6-2T steam tank locomotives of the Barry Railway in South Wales. They were designed and built by Sharp Stewart and were virtually identical to the Class A that preceded it, with the addition of a trailing bogie. The first three, Nos. 6, 7 and 8 were introduced in December 1888 and the remainder of the batch (Nos. 9 to 20) were delivered between January and May 1889. No. 7 was vacuum fitted and thus was able to haul passenger services as the relief engine for No. 5, a Class A.

The main purpose of the engine was to haul mineral trains to Cadoxton from Hafod Sidings in Rhondda and from Treforest Junction as well as from Coity Junction near Bridgend and Peterstone Junction. The second batch (Nos. 23 to 32) were delivered between December 1889 and February 1890 and differed from the first batch in having a Type 2 boiler. This led to them initially being called Class B1s.^[1]

The locomotives passed to the Great Western Railway in 1922. Only four survived into British Railways ownership in 1948, numbers 198, 212, 213, and 231. None were preserved.

Numbering

Year	Quantity	Manufacturer	Serial Numbers	Barry Numbers	GWR Numbers	Notes
1888–89	15	Sharp, Stewart & Co.	3454–3468	6–20	198–201, 203, 204, 206–214
1889–90	10	Sharp, Stewart & Co.	3571–3580	23–32	223–232

References

• Casserley, H. C. & Johnston, Stuart W. (1966). Locomotives at the Grouping 4: Great Western Railway. Shepperton, Middlesex: Ian Allan Limited. p. 85.