The Zetor 6340 Tractor is a robust and reliable machine, part of Zetor's esteemed heritage of agricultural engineering originating from the Czech Republic. Likely produced during the 1990s and early 2000s, this tractor is designed for demanding tasks, embodying the durability and simplicity for which Zetor is known. It features a 4-cylinder diesel engine, typically in the 60-70 HP range, coupled with a manual synchromesh transmission, often with multiple gears and high/low range options, making it a versatile workhorse for various farming and operational needs. Its sturdy construction and straightforward design ensure dependable performance in diverse agricultural environments. This Workshop Service Manual (WSM) provides comprehensive guidance for the Zetor 6340 Tractor, covering all essential aspects of maintenance, repair, and troubleshooting. It offers in-depth procedures for the engine, transmission, hydraulics, electrical systems, brakes, and steering, along with detailed instructions for routine maintenance, component disassembly and assembly, and major overhauls. Numerous illustrations, diagrams, and technical specifications, including torque values and clearances, are included to assist owners, operators, and independent repair workshops. The manual is designed to empower users to perform their own repairs efficiently, saving costs and ensuring the longevity of their Zetor 6340 Tractor.