The GWR 5101 steam locomotive is a steam locomotive with an axial formula 1-3-1 produced in 1903 - 1949 . for the Great Western Railway at the Swindon Works factory.
| GWR 5101 | |
|---|---|
 | |
| Production | |
| Country of construction |  United Kingdom |
| Plant | Swindon works |
| Years of construction | 1903 - 1949 |
| Total built | 209 |
| Technical details | |
| Axial formula | 1-3-1 |
| Steam train length | 12500 mm |
| Wheel diameter | 1120 mm |
| Diameter of driving wheels | 1730 mm |
| Wheel diameter | 1120 mm |
| Track width | 1435 mm |
| The operating weight of the engine | 79.71 t |
| Traction force | 11 t |
| Steam pressure in the boiler | 14 atm |
| Complete evaporative heating surface of the boiler | 106.4 m² |
| Superheater heating surface | 7.64 m² |
| Grate area | 1.9 m² |
| Number of cylinders | 2 |
| Bore | 460 mm |
| Piston stroke | 760 mm |
| Water Tank Capacity | 9.1 t |
| Fuel supply | 4.1 t |
| Exploitation | |
| A country | United Kingdom |
The steam locomotives were created by a team of designers led by George Jackson Churchward and Charles Collett based on the design of the GWR 3100 steam locomotive.
Of the 209 steam locomotives built, 10 were saved, of which 7 were saved after being sent for scrap to Woodham Brothers . Of the salvaged locomotives, one is operated at the Great Western Railway, two are awaiting restoration work at the Tyseley Locomotive Works , one each is awaiting repairs at the Barry Island Railway , Didcot Railway Center , Severn Valley Railway ; under one are at the disposal of the West Somerset Railway , Severn Valley Railway, Llangollen Railway .