The 2000 and 2100 class were self-propelled diesel railcars operated by the State Transport Authority and its successors on the Adelaide rail network.

Two (2001 and 2101) were completed at Granville while the remainder were railed to Adelaide via Lithgow and Broken Hill to comply with a contractual requirement to maximise local content, the fit out being conducted by Comeng's Aresco subsidiary at Dry Creek.

[11][12] One was sent to Bombardier Transportation's Dandenong factory in 2006 to assess the feasibility of a life extension program, but it was deemed not worthwhile.

[13] They did on occasions venture beyond the Adelaide metropolitan area, operating special services to Tanunda and Nuriootpa on the Barossa Valley line,[14][15] however these excursions ended in April 2003.

The remaining fleet members was retired in August 2015 after running services between Gawler Central and Adelaide and were stored at the Dry Creek Railcar depot for 10 months before removal.