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| NB 29 | NB 30 |
| Class: | NB | |
| Builder: | Vulcan Iron Works, USA. | |
| Introduced: | 1925 | |
| Number in Class: | 2 | |
| Wheel Arrangement: | 0-6-0 | |
| Driving Wheel Diameter: | 3 ft. | |
| Cylinders: | Number: | 2 |
| - | Position on frame: | Outside |
| - | Diameter x stroke: | 13 in. x 18 in. |
| Valve Gear: | Stephenson | |
| Heating Surface: | Tubes: | 548.45 square feet |
| - | Firebox: | 50 square feet |
| - | Grate Area: | 14 square feet |
| Boiler Pressure: | 140 lbs | |
| Tractive Effort: | 9,500 lbs | |
| Coal Capacity: | 12 cwt | |
| Water Capacity: | 1,100 gallons | |
| Weight in Working Order: | 29 tons 4 cwt | |
| Overall Length | 26 ft. 10 in. | |
Steam locomotive with 0-6-0 wheel arrangement, built by Vulcan Ironworks, USA.
| 1916 | Built by "Vulcan Ironworks", USA, builders No.2532, for use during the construction of the Henderson Naval Base, Western Australia. |
| 1925 | Purchased by the Commonwealth Railways for use on the Central Australia Railway. |
| 8.1925 | Entered service on the Central Australia Railway. |
| 10.1946 | Written off. |
| 7.1958 | Scrapped. |
Steam locomotive with 0-6-0 wheel arrangement, built by Vulcan Ironworks, USA.
| 1916 | Built by "Vulcan Ironworks", USA, builders No.2533, for use during the construction of the Henderson Naval Base, Western Australia. |
| 1925 | Purchased by the Commonwealth Railways for use on the Central Australia Railway. |
| 1.1925 | Entered service on the Central Australia Railway. |
| 4.1950 | Written off. |
| 1957 | Converted to Diesel-Hydraulic Loco NB 30. |
