{"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":48210036949242,"sku":"910-57116","price":34.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/9371\/5706\/files\/07a35f07-b9f1-58d9-8ed9-33da67f7d2ed.jpg?v=1768058247","url":"https:\/\/blackforesthobby.com\/products\/walthers-mainline-910-57116-ho-scale-50-rd-4-hopper-rtr-ns-390502","provider":"Black Forest® Hobby Supply Co","version":"1.0","type":"link"}