Walthers Proto HO 920-105303 Scale Test Car, Chesapeake & Ohio ST1

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 metal knuckle couplers