ALCO Century C-636 with ESU Sound, Penn Central #6338 Diesel Locomotive in HO scale from Bowser.
Wheels: RP-25 wheel flanges.
Couplers: Kadee metal couplers.
Railroad specific details and numbering.
With DCC and Sound.
DCC/Sound version features ESU LokSound Select decoder. Locos with sound have the class lights over the number boards individually controlled and in color.
Press F-5 to cycle through the colors (Red, White and Green).