GWR 4575 class Type and origin Power type Steam Designer Charles Collett Builder GWR Swindon Works Order number Lots 242, 249, 251, 253 Build date 1927–1929 Total produced 100
Specifications Configuration: • Whyte 2-6-2T • UIC 1′C1′ h2t Gauge 4 ft 8+ 1 ⁄2 in (1,435 mm ) standard gauge Leading dia. 3 ft 2 in (0.965 m) Driver dia.7+ 1 ⁄2 in (1.410 m)Trailing dia. 3 ft 2 in (0.965 m) Minimum curve 5 chains (330 ft; 100 m) normal, Wheelbase 26 ft 10 in (8.18 m) Length 4+ 1 ⁄2 in (11.09 m) over buffersWidth 8 ft 9 in (2.667 m) Height 13 ft 0 in (3.962 m) Axle load 15 long tons 11 cwt (34,800 lb or 15.8 t) Adhesive weight 46 long tons 5 cwt (103,600 lb or 47 t) Loco weight 61 long tons 0 cwt (136,600 lb or 62 t) Fuel type Coal Fuel capacity 3 long tons 14 cwt (8,300 lb or 3.8 t) Water cap. 1,300 imp gal (5,900 L; 1,600 US gal) Firebox: • Grate area 16.6 sq ft (1.54 m2 ) Boiler GWR Standard No. 5 Boiler pressure 200 lbf/in2 (1.38 MPa) Heating surface: • Firebox 94.25 sq ft (8.756 m2 ) • Tubes 992.51 sq ft (92.207 m2 ) Superheater: • Type 4-element or 6-element • Heating area 4-element: 52.98 sq ft (4.922 m2 ),2 ) Cylinders Two, outside Cylinder size 17 in × 24 in (432 mm × 610 mm) Valve gear Stephenson Valve type Piston valves Train brakes Vacuum
Career Operators GWR » BR Class 4575 Power class GWR: C, Number in class 100 Numbers 4575–4599, 5500–5574 Nicknames Small Prairie Axle load class GWR: Yellow Withdrawn 1956–1964 Preserved 4588, 5521, 5526, 5532, 5538, 5539, 5541, 5542 , 5552, 5553, 5572 Disposition 11 preserved, remainder scrapped
The Great Western Railway (GWR) 4575 Class is a class of 2-6-2T British steam locomotives .
