Walthers Mainline is a product line under Wm. K. Walthers, Inc., offering high-quality model railroad items designed to balance detail, performance, and affordability. Launched to provide accessible options for hobbyists, Walthers Mainline features a wide range of locomotives, rolling stock, and accessories in popular scales like HO and N. The line emphasizes robust construction, reliable operation, and accurate detailing, making it a popular choice for both beginners and seasoned model railroaders looking to expand their collections without compromising on quality. Walthers Mainline products are known for their ease of use and value, maintaining Walthers’ reputation for excellence in the model railroading community.