It was announced on 27 September 2010 that Bombardier Transportation had won a $303 million contract to supply and maintain 50 new E-class trams, the contract includes an option for a further 100. They will be built at Bombardier's Dandenong factory, with the propulsion systems and bogies coming from Bombardier's factories in Mannheim and Siegen, Germany, respectively. The trams will be 33 metres long and have a capacity of 210 passengers and are due to be in service in 2013. The first E-class tram arrived at Preston Workshops in late June 2013 for testing, with the first two E-class entering revenue service in November 2013.