| Queensland Railways PB15 class |
|---|
448 at Swanbank |
|
| Specifications |
|---|
Configuration:
| |
|---|
| • Whyte | 4-6-0 |
|---|
| Gauge | 1,067 mm (3 ft 6 in) |
|---|
| Leading dia. | 2 ft 2 in (660 mm) |
|---|
| Driver dia. | 4 ft 0 in (1,219 mm) |
|---|
| Length | 47 ft 6 in (14.48 m) |
|---|
| Axle load | 8.1 tonnes (8.0 long tons; 8.9 short tons) |
|---|
| Loco weight | 32 tonnes (31.5 long tons; 35.3 short tons) |
|---|
| Tender weight | 24 tonnes (23.62096 long tons; 26.45547 short tons) |
|---|
| Total weight | 56 tonnes (55.115566 long tons; 61.729433 short tons) |
|---|
| Fuel type | Coal |
|---|
| Fuel capacity | 4 tonnes (3.9 long tons; 4.4 short tons) |
|---|
| Water cap. | 2,500 imperial gallons (11,000 L; 3,000 US gal) |
|---|
| Firebox: | |
|---|
| • Grate area | 12 sq ft (1.1 m2) |
|---|
| Boiler pressure | 150 psi (1,034 kPa)
later upgraded to
160 psi (1,103 kPa) |
|---|
| Heating surface: | |
|---|
| • Tubes and flues | 780 sq ft (72 m2) |
|---|
| Cylinders | 2 outside |
|---|
| Cylinder size | 15 in × 20 in (381 mm × 508 mm) |
|---|
| Valve gear | Stephenson (locos built 1899–1912)
Walschaerts (locos built 1924–26) |
|---|
|
| Performance figures |
|---|
| Maximum speed | 102 MPH |
|---|
| Tractive effort | 12,750 lbf (56.71 kN) |
|---|
|
| Career |
|---|
| Operators | Queensland Railways |
|---|
| Numbers | 347-362, 385-384, 404-413, 434-509, 518-537, 540-609, 12, 5, 103, 126, 128, 143, 220, 286, 339, 340, 731-751 |
|---|
| Delivered | 1899 |
|---|
| First run | 22/12/1899 |
|---|
| Last run | 8/1970 |
|---|
| Retired | 8/1970 |
|---|
| Withdrawn | 8/1970 |
|---|
| Preserved | 444, 448, 454, 732, 738 |
|---|
| Current owner | Various Heritage Groups |
|---|
| Disposition | 5 preserved, 228 scrapped |
|---|
|
The Queensland Railways PB15 class locomotive is an old class of 4-6-0 steam engines operated by the Queensland Railways.
