GWR Castle Loco TTS Sound Decoder 27 August 2020 16:14 Updated 4-1533a_castle_class_tts_sound_manual.pdf 10 MB Download Related articles HSS 306C Castle Class HSS 293B DCC County & Castle Class TYPE 8 RINGFIELD MOTOR – 4-6-0 CASTLE AND COUNTY LOCOMOTIVE ROYAL SCOT / PATRIOT CLASS HSS 431 Black 5 Steam loco