Discover the power, history, and variety of diesel locomotives with RailRoster. Built for railfans and train enthusiasts, RailRoster is your complete guide to the diesel era β from first-generation switchers to todayβs high-horsepower giants. Browse beautifully designed cards with high-quality images, horsepower stats, wheel arrangements, and years built. See which railroads rostered each locomotive and explore the technological progress that defined modern railroading.