While it appears to be a simple passenger car the POTB Budd RDC-1 #553 is actually a self-propelled diesel-hydraulic rail passenger car. Common Photo Settings: 1/250 sec at f / 11, ISO 200, 18 mm (18.0-200.0 mm f/3.5-5.6) Cropped: 3128 x 2077 Flash: Did not fire Camera: NIKON D300