Here are the three ALCO Diesel prime mover sound files that ca,e with my TCS WOW Diesel decoder.
(00:00) ALCO 251 Turbo (loco 1)
(00:15) Startup
(00:52) throttle opened
(03:06) ALCO 251 Turbo (loco 2)
(03:21) Startup
(03:46) throttle opened
(06:13) ALCO 244 Turbo (Correct prime mover for the RSD4 loco.
(06:24) Startup
(06:45) throttle opened