The Fendt Farmer 400 Series, encompassing models 409 through 412, represents a pinnacle of agricultural engineering, known for its robust construction, advanced technology, and exceptional reliability. These tractors, manufactured in Germany, are distinguished by their innovative Fendt Vario™ continuously variable transmission, offering seamless speed control and optimized performance for a wide range of demanding tasks. With engine power outputs typically ranging from 90 to 120 HP, they are engineered for efficiency and durability, making them a trusted choice for professional agricultural operations. The series embodies Fendt's legacy of quality and pioneering spirit in tractor design.

This comprehensive workshop service repair manual provides detailed information essential for the maintenance, diagnosis, and repair of the Fendt Farmer 400 Series tractors. Covering all major mechanical, hydraulic, pneumatic, and electrical systems, including the transmission, engine, front axle, steering, and climate control, it offers step-by-step procedures for troubleshooting, adjustments, and overhauls. The manual's extensive technical depth, complete with specifications, diagrams, and diagnostic flowcharts, is designed to empower technicians and owners to maintain these sophisticated machines with accuracy and efficiency, ensuring their longevity and optimal operational performance.