The Zetor 3320-6340 Series Tractors represent a line of robust agricultural machinery from a manufacturer with a long heritage in producing reliable equipment. These tractors, primarily produced in the late 20th and early 21st centuries, are designed for utility and efficiency on farms, offering dependable performance for a variety of tasks. With engine power typically ranging from approximately 35 to 65 horsepower and a focus on strong torque for pulling power, these Zetor models are engineered for durability and cost-effectiveness, embodying the brand's commitment to practical, hardworking machinery. This comprehensive workshop service repair manual provides in-depth information for the Zetor 3320, 3340, and related models. It serves as the definitive resource for maintaining and repairing these tractors, covering every detail from engine mechanical and electrical systems to fuel, transmission, and hydraulic operations. The manual includes detailed diagnostic, maintenance, and repair procedures, accompanied by technical specifications and wiring schematics, making it an invaluable tool for both DIY enthusiasts and professional mechanics seeking to ensure the optimal performance and longevity of their Zetor tractors.