4501 to 4503
- Axle: D1't
- Total quantity: 3
- Year: 1911
- Manufacturer: Robert Stephenson. Works Numbers 3416-8
- ex ORC Numbers 65-7
Engine main characteristics
| Engine axle type | D1't |
| Weight empty | 67.31 T |
| Weight service | 80 T |
| Max. axle load | 17 T |
| Wheels (coupled) | 1384 mm |
| Wheels (uncoupled) | 1066 mm |
| Number of cylinders | 2 |
| Cylinder dia | 495 mm |
| Piston stroke | 660 mm |
| Pressure | 12.65 kg/sq.cm |
| Heating surface firebox | 14.15 m2 |
| Heating surface tubes | 148.91 m2 |
| Grate area | 2.355 m2 |
| Tractive effort | 8870kg |
Pictures
4502, İzmir Alsancak. 7th June 1955. Photo Alan Swale