4D-003-020 OO Gauge Western Trooper BR Blue FYE D1033The Class 52 diesel hydraulic locomotive was introduced by the BR Western Region in 1962 to provide high speed passenger and freight services. To achieve this the locomotive was fitted with two Maybach engines coupled with a Voith 3 speed hydraulic transmission. This had the added advantage that the locomotive could still run if one engine failed. Problems with the transmission however, meant that the locomotive experienced very high maintenance and