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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 Aurizon and Southern Shorthaul Railroad.

Commonwealth Railways GM class
Three Aurizon GM class locomotives in April 2008
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) standard gauge 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 Aurizon Southern Shorthaul Railroad Disposition 6 in service, 2 preserved, 11 stored, 28 scrapped

History

The design was based on the Electro-Motive Diesel EMD F7 locomotive.[1] The first 11 were delivered with EMD 16-567B, 1,119 kW (1,501 hp) engines and four powered axles with the remainder having 16-567C, 1,305 kW (1,750 hp) engines and six powered axles. The final 11 were fitted with dynamic braking.[2]

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, Marree 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.[3]

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.[3][4]

The GM class were manufactured for standard gauge use, some of the locomotives were converted to operate on 5 ft 3 in (1,600 mm) broad gauge for some of their lives.

Apart from one destroyed in an accident in 1985, withdrawals began in 1988.[2] GM1 was placed on a plinth in Port Augusta, GM2 was donated to the National Railway Museum, Port Adelaide and GM3 to Clyde Engineering, Kelso.[5] By October 1994, only 15 remained in service.[6] A locomotive shortage saw Australian Southern Railroad return GM1 to service in December 1997.[7]

In 1998, Great Northern Rail Services purchased 12 from Australian Southern Railroad.[8] Most were scrapped for parts with only three returning to service seeing use in Melbourne and Sydney. Following Great Northern ceasing operations in 2003, these were sold to Chicago Freight Car Leasing Australia before being resold to Southern Shorthaul Railroad.[2]

In May 2005, Australian Railroad Group forwarded GM30 to Forrestfield workshops to be receive a 2,237 kW (3,000 hp) engine, as fitted to the CLs. The project was never completed and the shell was scrapped.[2][9]

In November 2010, the federal Department for Infrastructure & Transport placed GM1 in the custody of Rail Heritage WA.[10] In May 2012, Clyde Engineering sold GM3 to Southern Shorthaul Railroad and it was transferred to their Lithgow State Mine Heritage Park & Railway workshop for overhaul.

As at April 2021, all but 3 of the One Rail Australia units are stored due to more modern power available for freight services in South Australia while the Southern Shorthaul Railroad units are used on infrastructure and grain trains in New South Wales and Victoria.[11][12][13][14]

Status table

Locomotive	Entered Service	Current Owner	Livery	Status
GM1	September 1951	Rail Heritage WA	CR Maroon/Silver	Stored, Bassendean, WA
GM2	November 1951	National Railway Museum	CR Maroon/Silver	Static Display
GM3	December 1951	Southern Shorthaul Railroad	CR Maroon/Silver	Stored, Lithgow State Mine Heritage Park & Railway
GM4	January 1952	–	–	Scrapped
GM5	January 1952	–	–	Scrapped
GM6	February 1952	–	–	Scrapped
GM7	March 1952	–	–	Scrapped
GM8	March 1952	–	–	Scrapped
GM9	April 1952	–	–	Scrapped
GM10	June 1952	Southern Shorthaul Railroad	SSR Yellow	Operational
GM11	July 1952	–	–	Scrapped
GM12	October 1955	Greentrains	AN Green	Stored, North Bendigo
GM13	November 1955	–	–	Scrapped
GM14	April 1956	–	–	Scrapped
GM15	April 1956	–	–	Scrapped
GM16	July 1956	–	–	Scrapped
GM17	March 1957	–	–	Scrapped
GM18	April 1957	–	–	Scrapped
GM19	May 1957	Railpower	AN Green	Overhaul, Goulburn Rail Heritage Centre
GM20	June 1957	–	–	Scrapped
GM21	July 1957	–	–	Scrapped
GM22	July 1962	Southern Shorthaul Railroad	SSR Yellow	Operational
GM23	August 1962	–	–	Scrapped
GM24	September 1962	–	–	Scrapped
GM25	October 1962	-	–	Scrapped
GM26	November 1962	–	–	Scrapped
GM27	January 1963	Southern Shorthaul Railroad	SSR Black/Silver	Operational
GM28	February 1963	Seymour Railway Heritage Centre	CR Maroon/Silver	Stored
GM29	March 1963	–	–	Scrapped
GM30	December 1964	–	–	Scrapped
GM31	January 1965	–	–	Scrapped
GM32	January 1965	–	–	Scrapped
GM33	March 1965	–	–	Scrapped
GM34	April 1965	–	–	Scrapped
GM35	April 1966	–	–	Scrapped
GM36	May 1966	Seymour Railway Heritage Centre	CR Maroon/Silver	Under Overhaul
GM37	June 1966	Aurizon	ORA Orange	Operational
GM38	June 1966	Aurizon	AN Green	Stored, pending reactivation.
GM39	July 1966	–	–	Scrapped
GM40	January 1967	Aurizon	AN Green	Stored
GM41	February 1967	–	–	Scrapped, cab preserved
GM42	February 1967	Aurizon	ORA Orange	Stored
GM43	March 1967	Aurizon	ORA Orange	Operational
GM44	April 1967	Aurizon	ORA Orange	Stored
GM45	May 1967	Aurizon	ORA Orange	Stored
GM46	June 1967	Aurizon	AN Green	Operational
GM47	December 1967	Aurizon	ORA Orange	Operational

References

Notes

Bibliography

На других языках

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[de] Commonwealth Railways GM-Class

Die GM-Class der staatlichen australischen Eisenbahngesellschaft Commonwealth Railways (CR) ist eine Baureihe von sechsachsigen dieselelektrischen Lokomotiven der Firma Clyde Engineering in Granville in New South Wales. Aufgrund der unterschiedlichen Motorisierung wird die Baureihe auch in GM1 (erste elf Maschinen) und GM12 (folgende Lokomotiven) unterteilt. Alle für die CR gebauten Loks waren zunächst regelspurig, einige der wurden später auf die Spurweite 1600 mm (Irische Breitspur) umgespurt.

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- [en] Commonwealth Railways GM class

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