Based on prototype cars used to calibrate track scales, these diminutive models are perfect for displaying on a siding in the yard or a spur at an industry. Scale test cars were regularly reweighed at a railroad′s shop, giving you a great reason to run one on your railroad. Whether you load one on a flat car or haul one at the rear of a train, there′s a lot you can do with this car to enhance your railroad′s operations. Features of this model include: Diecast body for maximum weight Roadname specific details such as side and top access doors, wheel bearings and hand brake types Factory installed wire grab irons Multiple photo-etched brass placards according to prototypes 33 scale inch RP-25 turned metal wheels Proto MAX(TM) metal knuckle couplers Use with the 933-3199 Cornerstone Track Scales kit (sold separately) to enhance operating sessions Use as a load for WalthersProto or WalthersMainline flatcars Roadname specific features of this model include: Staff hand brake Covered wheel bearings Round side doors with release latch bar