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 CLASS 43 HST High Speed Train Class 43 TTS Sound Manual HM | DC – Instruction Manual [UK] (1-4-2021) Class 66 TTS Sound Manual HSS-464-Railroad-Class-43-HST