{"product_id":"walthers-mainline-910-57116-ho-scale-50-rd-4-hopper-rtr-ns-390502","title":"Walthers Mainline 910-57116 HO Scale 50' RD-4 Hopper RTR NS #390502","description":"The Walthers Mainline 910-57116 HO Scale 50' RD-4 Hopper RTR NS #390502 represents Norfolk Southern's coal fleet. Modeled after 50' RD-4 hoppers, this car depicts NS #390502 with authentic paint and lettering. RD-4 hoppers were widely used in unit train service supplying utilities across the eastern United States.\u003cbr\u003e\u003cbr\u003eReady-to-run, the model includes molded side panels, interior bracing, and accurate end detail. Free-rolling trucks and metal wheelsets ensure smooth operation, while Proto MAX™ couplers deliver reliable performance.\u003cbr\u003e\u003cbr\u003eKey Features:\u003cbr\u003e- Scale: HO\u003cbr\u003e- Model: 50' RD-4 Hopper\u003cbr\u003e- Roadname\/Number: NS #390502\u003cbr\u003e- Version: RTR (Ready-to-Run)\u003cbr\u003e- Construction: Molded plastic body with interior bracing\u003cbr\u003e- Trucks: Free-rolling trucks\u003cbr\u003e- Wheels: RP-25 turned metal wheelsets\u003cbr\u003e- Couplers: Proto MAX™ metal knuckle couplers\u003cbr\u003e- Detailing: Accurate side panels and end detail\u003cbr\u003e- Recommended Age: 14+","brand":"Walthers Mainline","offers":[{"title":"Default Title","offer_id":46475341824162,"sku":"910-57116","price":36.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0558\/5223\/6962\/files\/07a35f07-b9f1-58d9-8ed9-33da67f7d2ed.jpg?v=1768065051","url":"https:\/\/www.alpinerailworks.com\/products\/walthers-mainline-910-57116-ho-scale-50-rd-4-hopper-rtr-ns-390502","provider":"Alpine Railworks","version":"1.0","type":"link"}