Metropolitan Railway C Class

The Metropolitan Railway C class was a group of four 0-4-4T steam tank locomotives built in 1891 by Neilson and Company. They were to a design by James Stirling, originally the Q class of the South Eastern Railway,^[1] and were fitted with condensing apparatus for working in tunnels.

Metropolitan Railway C Class
Type and origin Power type Steam Builder Neilson and Company Serial number 4352–4355 Build date 1891 Total produced 4
Specifications Configuration: ​  • Whyte 0-4-4T  • UIC B2′ n2t Gauge 4 ft 8+1⁄2 in (1,435 mm) Fuel type Coal Cylinders Two, inside
Career Operators Metropolitan Railway Class C class Number in class 4 Numbers 67-70 Disposition No. 69 sold around 1920, others scrapped

The Neilson works numbers were 4352–5, they were delivered in June 1891 as Metropolitan Railway nos. 67–70. Larger boilers were fitted during 1901–03, with the pressure increased to 150 pounds-force per square inch (1,030 kPa) as compared the 140 lbf/in² (965 kPa) of the original boilers. No. 67 was sold in 1917 to the Ministry of Munitions; the others were sold in 1923 to Charles Williams of Morriston.^[2]