History
The 1450 class was an evolution of the 1400 class, being built as a Co-Co instead of an A1A-A1A. This increased the weight by 14 tonnes (13.8 long tons; 15.4 short tons) but improved the tractive effort.[1] They mainly operated in South East Queensland.[2][3] To accommodate the Co-Co bogies, the unit was lengthened on both ends. The Sarmiento Railway in Argentina operated similarly-lengthened G12s, officially designated the GR12. The South American units differed from the Australian ones in having only the No. 1 end hood lengthened. The first was withdrawn in December 1986.
Three have been preserved by Queensland Rail's Heritage Division, and are stored at Workshops Rail Museum, North Ipswich:[4]
Status table
| Number | Serial number | In service | Withdrawn | Scrapped | Notes |
| 1450 |
57-172 |
22 November 1957 |
20 March 1987 |
|
Preserved |
| 1451 |
57-176 |
27 August 1959 |
16 November 1987 |
December 1989 |
|
| 1452 |
57-177 |
21 September 1959 |
12 October 1980 |
September 1985 |
|
| 1453 |
57-178 |
4 November 1959 |
24 September 1987 |
December 1989 |
|
| 1454 |
57-180 |
30 December 1959 |
3 November 1987 |
December 1989 |
|
| 1455 |
57-181 |
4 September 1960 |
6 November 1987 |
|
Preserved |
| 1456 |
58-183 |
|
|
|
|
| 1457 |
58-184 |
|
|
|
|
| 1458 |
58-185 |
15 December 1960 |
5 November 1987 |
December 1990 |
|
| 1459 |
58-186 |
|
|
|
Preserved |