The British Rail Class 35 Diesel Hydraulic Locomotive was a class of 101 mixed-traffic B-B diesel locomotive with hydraulic transmission. Because of their Mekydro design hydraulic transmission units, the locomotives became known as the Hymeks. They were numbered D7000-D7100. These locomotives would make superb dlc for Diesel Legends of the GW and West Somerset Railway routes, being regularly seen during their respective eras. Class 35 locomotive at Reading in 1971.