Locomotives are complex machines powered by high-performance diesel engines, traction motors, braking systems, and advanced control mechanisms. Each component plays a critical role in ensuring efficiency, power output, and safety. From turbochargers and fuel injection systems to air brakes and suspension parts, understanding these key locomotive parts can enhance maintenance, optimize performance, and improve operational reliability. Explore this in-depth guide on locomotive components and their functions, featuring EMD, ALCO, and GE/WABTEC locomotive spare parts.