This John Deere 840 Parts Catalog provides a comprehensive and detailed guide to all the parts that make up the diesel tractor. This valuable resource is essential for anyone involved in maintaining, repairing, or restoring this classic machine. It contains a wealth of information, including detailed diagrams, exploded views, and part numbers for every component. You'll find information on everything from engine parts to transmission components, hydraulic systems, electrical systems, and more. This catalog is an indispensable tool for mechanics, farmers, and collectors alike, making it easy to identify and order the exact parts you need to keep your John Deere 840 running smoothly.

The John Deere 840 is a renowned agricultural tractor that has left a lasting mark on the farming industry. Introduced in 1979, the 840 is part of the John Deere 800 series, known for its robust design, powerful engine, and innovative features that revolutionized farming practices. The 840 is equipped with a potent 6-cylinder, 8.1-liter turbocharged diesel engine, generating approximately 150 horsepower. This powerful engine, coupled with the 840's durable construction, allowed farmers to tackle demanding tasks with ease.

The John Deere 840 tractor features a range of advanced features that significantly improved efficiency and productivity. These include a hydrostatic transmission, providing smooth and responsive operation, and a versatile hydraulic system for powering implements. The tractor's comfortable operator cab, equipped with ergonomic controls and excellent visibility, enhanced operator comfort and reduced fatigue during long working hours. The 840's versatility and reliability made it a highly sought-after tractor for a wide range of agricultural applications, including tillage, planting, harvesting, and transportation. Though no longer in production, the John Deere 840 remains a testament to John Deere's commitment to building dependable and powerful agricultural equipment that continues to be appreciated by farmers worldwide. Its legacy lives on in its replacement models, which carry the torch of innovation and efficiency in modern agriculture.