This workshop service repair manual covers the Zetor 3340, a robust and reliable agricultural tractor known for its functionality and durability. Manufactured by Zetor, a Czech brand with a long heritage in agricultural machinery, the 3340 likely belongs to a series of utility tractors from the late 20th or early 21st century. It is designed for agricultural applications, offering a blend of traditional engineering and practical performance. The tractor features a diesel engine, a synchronized manual gearbox, and a 4-wheel-drive drivetrain, making it a capable machine for various farm tasks. Its design emphasizes simplicity and longevity, reflecting Zetor's commitment to producing dependable equipment. This comprehensive manual provides detailed instructions for the repair and overhaul of the Zetor 3340 tractor. It covers a wide range of systems, including the engine, transmission, fuel, ignition, lubrication, exhaust, electrical, and hydraulic systems, as well as the chassis and body. The manual includes procedures for routine maintenance, servicing, component disassembly and reassembly, diagnostic troubleshooting, and complete engine and transmission overhauls. With its detailed technical specifications, wiring diagrams, and safety guidelines, this manual is an essential resource for owners, mechanics, and technicians seeking to maintain optimal performance and ensure the longevity of their Zetor 3340 tractor.