The John Deere 2140 Tractor is a robust agricultural machine designed for a wide range of farming tasks. Available in both 2WD and MFWD configurations, this tractor embodies John Deere's legacy of engineering quality and reliability. Its versatility is further enhanced by options such as independent and front PTOs, and it is built to provide dependable performance in demanding agricultural environments. This manual covers the comprehensive technical service, repair, and diagnostic information for the 2140 model, ensuring its continued operational efficiency. This Technical Service Repair Manual, code tm4373, provides extensive factory-level diagnostic and repair information for the John Deere 2140 Tractor. It covers all major systems, including the engine, powertrain, steering, brakes, hydraulic system, and electrical components, along with detailed procedures for maintenance, troubleshooting, disassembly, and assembly. With over 1200 pages of content featuring high-quality images, circuit diagrams, and searchable text, this English-language manual is an essential resource for service technicians, mechanics, and owners seeking to maintain and repair their tractor effectively.