This manual provides comprehensive service and repair information for the Massey Ferguson MF3660 Tractor. As part of the MF3600 Series, the MF3660 is engineered for reliability and performance, designed to meet the demands of various agricultural and industrial applications. This service repair manual offers detailed insights into the tractor's systems, ensuring its optimal functioning and longevity. The purpose of this manual is to serve as a complete guide for maintaining and repairing the Massey Ferguson MF3660 Tractor. It covers a wide range of topics, including general information, detailed specifications, engine, cooling system, fuel system, power train, 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 and differential, park brake, power steering, power take-off, rear axle, steering gear, and transmission. With step-by-step instructions for maintenance, repair, and disassembly, supported by hundreds of photos and illustrations, this manual is an indispensable resource for do-it-yourselfers and experienced mechanics alike, enabling them to keep the tractor in peak working condition.