Pre-Owned 10-1672 Class 800 Hitachi Class 800/3 GWR 9 Car Set APre Owned Item, in excellent condition. Test Run. The Class 800 AT300 is a bi mode multiple unit built by Hitachi for Great Western Railway and London North Eastern Railway. They use electric motors for traction, but in addition to operating on track with overhead electric wires, they have diesel generators to enable them to operate on unelectrified track. Based on the Hitachi A train design, the trains were built by Hitachi between 2014 and 2018. The