statistics 5637 steam locomotive group Gauge 4 ft 8 1/2 In Flue tubes 6 x 5 1/8 in dia. Driving Wheel 4 ft 7 1/2 In Dia. Superheater Tubes 36 x 1 in dia. Trailing Wheel 3 ft 8 In Dia. Superheater heating surfaces 82.2 sq ft overall length 37 ft 6 In area of firegrate 20.35 sq ft coal capacity 3 tons 15 cwt firebox heating surface 121.8 sq ft water capacity 1,900 imp gal cylinders two, inside boiler type number 2 cylinder size 18 In Dia. x 26 In Stroke boiler length 11 ft 0 in valve gear stephensons boiler minimum size 4 ft 5 1/8 in dia. valve type piston valves boiler maximum size 5 ft 0 1/2 in tractive effort 25,800 lbf boiler tubes 218 x 1 5/8 Dia power classification GWR: D / BR: 5MT boiler tube heating surfaces 1,144.94 Sq Ft working weight 68 tons 12 cwt boiler pressure 200 psi route availability “RED” configuration 0-6-2 T this indicates 5637 is a tank engine with no leading wheels, six driving wheels and two trailing wheels UIC Classification C1ht this indicates 5637 is a superheated tank engine with no leading axle, three driving axles and one trailing axle BACK TO TOP