Overview Product Description Atlas O 38085 or 38086 Southern Pacific F-7 A Diesel. powered, 3 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" 3-RAIL FEATURES: Electic Railroad Co. "Cruise Commander" Technology IMPROVED Railsounds™ digital sound system LEGACY COMPATIBLE (100 Speed Steps) Operating diesel exhaust unit Lionel® Trainmaster Command Control "A" units include alternate full scale pilot for great look Product Videos Custom Field Product Reviews