Commonwealth Railways GM class
Three Genesee & Wyoming Australia GM class locomotives in April 2008
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| Type and origin | |
|---|---|
| Power type | Diesel-electric |
| Builder | Clyde Engineering, Granville |
| Model | Electro-Motive Diesel ML1, later model A16C |
| Build date | 1951-1967 |
| Total produced | 47 |
| Specifications | |
|---|---|
| Configuration: |
|
| • UIC | GM1-11 A1A-A1A GM12-47 Co-Co |
| Gauge | 1,435 mm (4 ft 8 1⁄2 in) |
| Fuel type | Diesel |
| Engine type | V16 |
| Cylinders | 16 |
| Performance figures | |
|---|---|
| Power output | GM1-11 1,119 kW (1,501 hp), GM12-47 1,305 kW (1,750 hp) |
| Career | |
|---|---|
| Operators | Commonwealth Railways |
| Number in class | 47 |
| Numbers | GM1-GM47 |
| Preserved | GM1, GM2, GM28, GM36 |
| Current owner |
Genesee & Wyoming Australia Southern Shorthaul Railroad |
| Disposition | 4 in service, 3 preserved, 14 stored, 26 scrapped |
The GM class are a class of diesel locomotives built by Clyde Engineering, Granville for the Commonwealth Railways in several batches between 1951 and 1967. As at January 2014 some remain in service with Genesee & Wyoming Australia and Southern Shorthaul Railroad.
The design was based on the Electro-Motive Diesel EMD F7 locomotive. The first 11 were delivered with EMD 16-567B, 1119 kW engines and four powered axles with the remainder having 16-567C, 1305 kW engines and six powered axles. The final 11 were fitted with dynamic braking.
Delivered to operate on the standard gauge Trans-Australian Railway, the first entered service in September 1951. Further orders saw 47 in service by December 1967. They operated on all of Commonwealth Railways's standard gauge lines including those to Broken Hill, Alice Springs and Adelaide when converted to standard gauge in 1970, 1980 and 1982 respectively.
In January 1972, three (31, 32 & 34) were loaned to the Victorian Railways for use on the North East line. The latter two were returned in May 1976, the former in November 1976.
In July 1975 all were included in the transfer of Commonwealth Railways to Australian National. In 1979 a few operated to Lithgow, New South Wales on trials, while in October 1983 three (23, 24 & 28) were hired to V/Line returning in October 1985.
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Wikipedia