44901/2/3-5
- Axle: D
- Total quantity: 5
- First year:
- Manufacturer:
5' (155cm) gauge locomotives used on the Kars-Sarıkamış line before this was converted to standard gauge in 1962.
Broad gauge line and rolling stock obtained by Turkey when area round Kars ceded by Russia in 1920 after World War One. These Russian locomotives are of the ubiquitous O Class dating back to 1892. Between then and 1909 some 9000 were built by seven works, divided into eight sub-classes of which Od and Ov were the most numerous.
- 44901/44902 were single expansion machines, with Walschaerts valve gear, Russian type Ov.
- 44903/44904/44905 were 2 cylinders, compounds machines with Joy valve gear1.The high pressure cylinder was on the left side. Russian type Od.
Engine main characteristics
| Engine axle type | D't | |
| Weight empty | 44 t | |
| Weight service | 49.24 t | |
| Max Axle load | 12.45 t | |
| Wheels | 1200 mm | |
| Number of cylinders | 2 | |
| Cylinder dia | 500 mm | |
| Piston stroke | 650 mm | |
| Pressure | 9 kg/sq.cm | |
| Heating surface firebox | 10 m2 | |
| Heating surface tubes | 135 m2 | |
| Grate Area | 2.47 m2 | |
| Tractive Effort | 7514 kg | |
| Engine axle type | D't | |
| Weight empty | 46 t | |
| Weight service | 53.4 t | |
| Max Axle load | 13.5 t | |
| Wheels | 1200 mm | |
| Number of cylinders | 2 | |
| Cylinders Right | 500/650m mm | |
| Cylinders Left | 730/650m mm | |
| Pressure | 11.5 kg/sq.cm | |
| Heating surface firebox | 11.6 m2 | |
| Heating surface tubes | 141 m2 | |
| Grate Area | 1.85 m2 | |
| Tractive Effort | 7514 kg | |
Pictures
- All taken at Sarıkamış. 26th June 1956 by Alan Swale
44901 Originally Russian Type Ov | |
44903 Originally Russian Type Od | 
44905 Originally Russian Type Od |
Notes & references
1 See Wikipédia about this unusal valve gear: http://en.wikipedia.org/wiki/Joy_valve_gear ⇑