Postwar American Flyer S Gauge 4856 484/485/486 Santa Fe Alco PA-PB-PA diesel locomotive units. Both A units have single rivet step. Both A units are missing antenna nibs, powered unit has repainted black on roof and upper blue sections on nose, dummy unit has chip at upper rear roof edge. B unit has good antenna nib and two rivet steps with some rust. All units may or may not have repainted roofs. Trains look C6+.