Modern Era American Models S Gauge AC Hi-Rail with sound unit SP Southern Pacific Daylight Alco PA-1 A-B-A diesel locomotive set in original box with literature. Unit 6006 has a cracked step and a broken step, piece present and included. Unit 6005 has detached horns, present and included. Two loose drive shafts included. Trains look otherwise look C8, light run time. Box and styrofoam insert show little wear, box is very square and solid.