HST Class 43 (Valenta engine) TTS Sound Manual 27 August 2020 16:19 Updated 4-1565_class_43_hst_valenta_tts_sound_manual.pdf 9 MB Download Related articles RAILROAD CLASS 43 HST HSS 401B Class P2 DCC HSS 332B Class 43 / HST High Speed Train Class 43 TTS Sound Manual HSS 266D HST 125 - 5 Pole