Classic US Heavy Diesel       US sounds on Premium Universal Diesel     
  Engine Sounds EMD 645 & 710, ALCO DL and GE 7FDL  Same as Classic 
  Turbo  Choice of three  Same as Classic 
  Engine Startup One generic sequence   Separate recordings for each engine 
  Bells Electronic
Electronic, Steel and Bronze 
  Horns  Amtrak K5LA, Leslie A200, Nathan K3LA, Wabco E2  Same as Classic 
  Guard "All aboard"   "All aboard" and Guard's Whistle 
  Operating Modes A variety of manual and automatic options  Same as Classic