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| B4 | B7 |
The B-class 2-4-0 type locomotives were imported from England, being built by R. Stephenson & Co. as tender locomotives, for general service on the South Australian Railways broad gauge system. During 1875-76 they where both rebuilt as well tank locomotives, and later fitted as a crane locomotive.
| Class: | B | ||
| Builder: | Robert Stephenson & Co. - Newcastle on Tyne, England | ||
| Introduced: | 1856 | ||
| Number in Class: | 2 | ||
| Wheel Arrangement: | 2-4-0 (1′B T) | ||
| Driving Wheel Diameter: | 5 ft. 6 in. | ||
| Cylinders: | Number: | 2 | |
| - | Position on frame: | Inside | |
| - | Diameter x stroke: | 14 in. x 20 in. | |
| Heating Surface: | Tubes: | 728 square feet | |
| - | Firebox: | 66 square feet | |
| - | Grate Area: | 11.5 square feet | |
| Boiler Pressure: | 130 lbs p.s.i. | ||
| Tractive Effort: | 6,562 lbs | ||
| Coal Capacity: | Tender: | 3 tons 15 cwt | |
| - | Tank: | 6 cwt | |
| Water Capacity: | Tender: | 1,060 gallons | |
| - | Tank: | 500 gallons | |
| Weight in Working Order: | Tank: | 31 tons 18 cwt | |
| Maximum Axle Load: | 12 tons 9 cwt | ||
| Overall Length | Tank crane: | 26 ft. 6½ in. | |
"Robert Stephenson & Co." built 2-4-0 type broad gauge steam locomotive.
| 11.1856 | Entered service as "B 4". Built by Robert Stephenson & Co., builders No.1047. Arrived ex ship "Poictiers". [nrm] |
| 11.1875 | Rebuilt to 2-4-0 well tank [nrm] |
| 30.8.1893 | Rebuilt to crane tank [nrm] |
| 4.4.1938 | Condemned [nrm] |
"Robert Stephenson & Co." built 2-4-0 type broad gauge steam locomotive.
| 3.1858 | Entered service as "B 7". Built by Robert Stephenson & Co., builders No.1084. Arrived ex ship "Hannah".[nrm] |
| 2.1876 | Rebuilt to 2-4-0 well tank [nrm] |
| 14.5.1887 | Rebuilt to crane tank [nrm] |
| 2.7.1935 | Condemned [nrm] |
