Overview Product Description Atlas O (trainman) NKP 40' steel box car Classic 1950's-1970's 40' box car with 8' door New in box. 3 rail or 2 rail Please specify. 5.00 more for 2 rail Well detailed. Separately applied handrails, full brake line detail and other details Diecast underframe Diecast sprung trucks and couplers Minimum diameter curve (3-rail): O-36 Minimum diameter curve (2-rail): 24" Available in 2 road numbers Great highly detailed graphics Questions? E-mail us at pdt212@gmail.com or call 805-226-0320 Product Videos Custom Field Product Reviews