4D-003-019S Class 52 Western Crusader BR Green Small Yellow Panels D1004 Diesel Locomotive - DCC SoundThe Class 52 diesel hydraulic locomotive was introduced by BR Western Region in 1962 to provide improved top end freight and passenger service unobtainable from the lesser powered Hymeks and Warships. At this time the required power output was not achievable by a single power unit and the Westerns were fitted with two Maybach engines coupled with a Voith 3 speed hydraulic transmission. This had the added advantage that the locomotive could run, if