This book contains a collection of classic articles on the subject of tractors. They primarily deal with the operation, mechanics, repair, and maintenance of tractors, offering simple instructions and invaluable tips for those with a practical interest in the subject. "Farm Machinery - Tractors" will appeal fans of vintage tractors and those looking to find out more about the history of agricultural machinery. Contents include: "Agricultural Tools And Machinery", "The Tractor As A Source Of Power", "Overturning Of Tractors", "Hints When Buying A Tractor", "Tractor Engines (1): Spark-Ignition", "Tractor Engines (2): Compression-Ignition (Diesel)", "Tractor Overhaul And Maintenance", "Tractors: Development And Principles Of Operation", "Tractor Types: Constructional", "Features", "Tractors", "Working Principles Of Tractor Engines", etc. Many vintage books such as this are increasingly scarce and expensive. It is with this in mind that we are republishing this volume now in an affordable, modern, high-quality edition complete with a specially-commissioned new introduction on agricultural tools and machinery.