Central Trains
Class 175 (Fictional)
Requires: North Wales Coast Line: Crewe to Holyhead Route Add-on (2022 Release) from Steam: https://store.steampowered.com/app/1804511/Train_Simulator_North_Wales_Coast_Line_Crewe__Holyhead_Route_AddOn/
Class 158 (Fictional)
Requires: Network SouthEast Class 159 DMU Add-on from Steam: https://store.steampowered.com/app/222633/Train_Simulator_Network_SouthEast_Class_159_DMU_AddOn/
AND Class 158/159 (Cummins) Enhancement Pack from Armstrong Powerhouse: https://www.armstrongpowerhouse.com/enhancements/dmu_ep/class_158-159_cummins_enhancement_pack
AND Class 158 (Perkins) Enhancement Pack from Armstrong Powerhouse: https://www.armstrongpowerhouse.com/enhancements/dmu_ep/class_158_perkins_enhancement_pack
Class 323 (Fictional)
Requires: Birmingham Cross City Line: Lichfield - Bromsgrove & Redditch Route Add-on from Steam: https://store.steampowered.com/app/1515063/Train_Simulator_Birmingham_Cross_City_Line_Lichfield__Bromsgrove__Redditch_Route_AddOn/