The Massey Ferguson MF398 Tractor is a robust piece of agricultural machinery known for its reliability and engineering quality. As part of a long-standing legacy of respected agricultural equipment manufacturers, the MF398 represents a commitment to durable construction designed for demanding tasks. This service repair manual covers all styles of the MF398, ensuring comprehensive support for owners and operators. This comprehensive Factory Service Repair Manual provides in-depth information for the Massey Ferguson MF398 Tractor. It includes detailed procedures for general information, specifications, engine, cooling system, fuel system, powertrain, front axle, clutch, differential lock, electrical system, brakes, fenders, fuel tank, platform, final drive, front system, front-wheel drive, hydraulic system, main drive bevel gears, differential, park brake, power steering system, power take-off, rear axle, steering gear, and transmission. Designed for both do-it-yourself enthusiasts and experienced mechanics, this manual offers step-by-step instructions, hundreds of photos and illustrations, and troubleshooting guidance to help maintain and repair the tractor effectively.