The Challenger MT 655B and MT 665B represent robust, high-horsepower agricultural tractors designed for demanding fieldwork. These machines are engineered for exceptional tractive effort and durability, featuring powerful turbocharged and intercooled diesel engines, advanced transmissions such as Powershift or optional CVT, and sophisticated hydraulic systems. Their construction emphasizes reliability and performance in challenging conditions, making them suitable for heavy tasks like plowing, tilling, and planting. The Challenger brand itself carries a heritage of strong engineering, evolving from iconic crawler tractors to modern wheeled machines known for their power and advanced capabilities.

This comprehensive Parts Catalog provides an indispensable resource for maintaining the Challenger MT 655B and MT 665B tractors. It meticulously details every replaceable component across all major systems, including the engine, drivetrain, hydraulics, electrical systems, chassis, and operator station. The catalog features exploded views, part numbers, and descriptions essential for accurate part identification, ordering, and understanding assembly configurations. This manual is crucial for owners, service technicians, and parts departments to ensure the correct parts are utilized, thereby minimizing downtime and preserving the optimal performance and longevity of these powerful agricultural machines.