Overview Product Description Atlas O 38115 or 38116 Southern Pacific F-7 A Diesel. powered, 2 rail Features: Steam generator detail on either the A or B unit appropriate by railroad Highly detailed body with railroad-specific details All metal grab irons Die-cast metal chassis, fuel tank and trucks Twin flywheel-equipped motors Directional golden-white LED lighting Accurate painting and lettering Close-coupling between units Weight: 5 lbs/unit; Length: Approx. 12.5"/unit Minimum diameter curve (3-Rail) (A-unit) O-36 Minimum diameter curve (3-Rail) (B-unit) O-45 Minimum radius curve (2-Rail): 36" Fixed pilots and Kadee style couplers LOK sound package diesel exhaust Product Videos Custom Field Product Reviews