This workshop service repair manual covers the Zetor 4340 tractor, a robust and reliable piece of agricultural machinery from a manufacturer with a long-standing heritage. Known for their durability and utility, Zetor tractors have been a staple in farming operations for decades. The Zetor 4340, likely produced in the late 20th or early 21st century, exemplifies this commitment to practical engineering, designed to meet the demanding needs of farm work. This manual is intended for mechanical technicians and tractor owners who are familiar with general mechanical practices and seek to maintain their equipment efficiently. The Zetor Z 4340 tractor Workshop Service Repair Manual provides comprehensive guidance for all aspects of maintenance, servicing, and repair. It includes detailed procedures for routine maintenance, tune-ups, and in-depth overhauls of major systems such as the engine, transmission, fuel system, ignition system, lubrication system, exhaust system, and electrical system. The manual emphasizes the use of special tools where necessary, providing illustrations and part numbers, and highlights critical information through WARNING, CAUTION, and NOTE notations to ensure safety and prevent damage. This resource aims to empower owners and technicians to perform repairs accurately, ensuring optimal performance and longevity of the Zetor 4340 tractor.