Walthers Mainline 37' 2980 Cubic-Foot 2-Bay Covered Hopper - Ready to Run -- General American Tankcar #3308 (gray, black) VendorWalthers Mainline Product form No reviews $24.98 SKU: 910-7111 Barcode: 616374108152 Brand: Walthers Mainline | HO Scale Rolling Stock You might also need... Quantity Out of stock Add To Wishlist Product Tags HO Scale Model Trains Walthers Walthers Mainline