The Coradia 1000 is a type of Diesel Multiple Unit (DMU) operating in Great Britain and which is part of the Alstom Coradia family of diesel and electric multiple units.
[1] As of 2023[update], only the Class 180 DMUs are in service and are operated by the train operating company Grand Central.
Both of the Coradia 1000 models utilise a diesel-hydraulic powertrain, with transmissions being supplied by German manufacturer Voith.
[2][3] The diesel engines were supplied by American manufacturer Cummins.
[2][3] When both classes were new, they featured hydrodynamic retarders as part of their braking equipment.