The D1 class were a class of diesel locomotives built by

Commonwealth Engineering Commonwealth Engineering (often shortened to Com-Eng, later Comeng was an Australian engineering company that designed and built railway locomotives, rolling stock and trams. History Smith and Waddington, the predecessor to Commonwealth Engi ...

, Granville with

English Electric N.º UIC: 9094 110 1449-3 (Takargo Rail) The English Electric Company Limited (EE) was a British industrial manufacturer formed after the Armistice of 11 November 1918, armistice of World War I by amalgamating five businesses which, during t ...

traction equipment for Australian Iron & Steel's,

Port Kembla A port is a maritime law, maritime facility comprising one or more Wharf, wharves or loading areas, where ships load and discharge Affreightment, cargo and passengers. Although usually situated on a sea coast or estuary, ports can a ...

steelworks in 1950-1951.

History

In May 1950, D1 became the first diesel to operate on an Australian main line. The eight D class locomotives hauled trains on Australian Iron & Steel's,

until a downturn in the early 1980s saw most of the class withdrawn. D6 and D7 were reactivated with the former remaining in service until 2004. Three have been preserved:Port Kembla - Diesel Locomotive Fleetlisting
Light Rail Research Society of Australia *D1 by the

NSW Rail Museum The NSW Rail Museum is the main railway museum in New South Wales, Australia. A division of Transport Heritage NSW, it was previously known as the New South Wales Rail Transport Museum (NSWRTM), Rail Heritage Centre and Trainworks. Transport He ...

Thirlmere Thirlmere is a reservoir in the Borough of Allerdale in Cumbria and the English Lake District. The Helvellyn ridge lies to the east of Thirlmere. To the west of Thirlmere are a number of fells; for instance, Armboth Fell and Raven Crag bo ...

. *D6 by the

Lithgow State Mine Heritage Park & Railway The Lithgow State Mine Heritage Park & Railway is an Australian mining museum, located in the Central Tablelands city of Lithgow, New South Wales. Collection The museum is principally a museum of coalmining and related industries. The aim of th ...

, Lithgow. This unit is still stored in

. *D7 by the former ARHS ACT Division, Canberra.

References

Railway Transportation, November 1951, 'D-E locos and 60-ton cars boost operations for AI&S' {{NSWLocos, state=collapsed BHP Billiton diesel locomotives Bo-Bo locomotives Commonwealth Engineering locomotives Diesel locomotives of New South Wales Railway locomotives introduced in 1950 Standard gauge locomotives of Australia Diesel-electric locomotives of Australia English Electric locomotives