This comprehensive John Deere 400 Wheel Tractor and Wheel Loader Service Repair Manual provides detailed instructions for maintaining and servicing your equipment. The manual includes detailed illustrations, exploded diagrams, drawings, and photos to guide you through each repair procedure. Its clear and concise language makes it easy to follow for users of all skill levels. The manual is organized into sections covering a wide range of topics, including: - **Description and Specifications:** Get a detailed overview of your John Deere 400 equipment, including its features and specifications. - **Tractor Separation:** Learn how to safely and efficiently disassemble your tractor for maintenance and repair. - **Periodic Lubrication:** Discover the recommended lubrication schedule and procedures for your tractor, ensuring optimal performance and longevity. - **Engine Tune-Up and Tractor Adjustment:** This section provides step-by-step instructions on performing essential engine tune-ups and adjusting various tractor components. - **Engine Systems:** Dive deep into the intricacies of your engine, including its lubrication system, governor, speed control linkage, cooling system, fuel systems, and electrical system. - **Clutches and Transmission:** Comprehensive information on maintaining and repairing your engine and PTO clutches, transmission, and differential systems. - **PTO Systems:** Learn how to service and troubleshoot various PTO systems, including continuous-running, transmission-driven, and independent PTO. - **Reverser and Final Drive:** Gain a thorough understanding of your tractor's reverser and final drive systems, including maintenance and repair procedures. - **Brakes and Steering:** This section covers the hydraulic braking system, manual steering, and both open-center and closed-center power steering systems. - **Front Axles, Support, and Linkage:** Detailed information on maintaining and repairing your front axles, front end support, and steering linkage. - **Seats:** Learn how to adjust and maintain your tractor seat for optimal comfort and safety. - **Hydraulic System:** Explore the intricacies of your hydraulic system, including pumps, rockshaft, 3-point hitch, remote cylinder control valves, hose couplers, and remote cylinders. - **Wheels, Tires, and Weights:** This section covers the proper care and maintenance of your wheels, tires, and weights. - **Troubleshooting:** Find a comprehensive guide to diagnosing and resolving common issues with your John Deere 400 Wheel Tractor and Wheel Loader. - **Special Service Tools:** Discover the specialized tools required for specific service and repair procedures. Each section is further broken down and organized with a table of contents and section-specific groupings, ensuring easy navigation and access to the information you need. This manual provides the detailed technical information and instructions you need to keep your John Deere 400 equipment in top working condition.

The John Deere 400 series of wheel tractors and wheel loaders represents a significant chapter in the company's history, offering a versatile and reliable solution for a wide array of agricultural and construction tasks. These machines, renowned for their robust build and performance, were produced during a period of significant growth and innovation for John Deere. The 400 series encompassed a range of models, each tailored to specific needs, offering various horsepower ratings and equipment configurations. This allowed farmers and contractors to choose the ideal machine for their individual requirements, whether it be hauling heavy loads, tilling fields, or handling materials on construction sites. The tractor models were particularly popular for their ability to handle a variety of implements, including plows, cultivators, and harrows, while the wheel loaders provided efficient material handling capabilities for tasks like loading trucks and excavating. The John Deere 400 series was meticulously designed with operator comfort and safety in mind. Features such as ergonomic controls, spacious cabs, and clear visibility ensured a comfortable and efficient work environment. The machines were also equipped with advanced safety features, including rollover protection systems and emergency shut-off switches, further enhancing operator safety. The combination of durability, performance, and operator-centric design made the John Deere 400 series a highly sought-after and trusted choice for agricultural and construction professionals worldwide. These machines played a pivotal role in shaping the industry landscape, and their legacy continues to inspire generations of agricultural and construction equipment. The availability of comprehensive service and repair manuals like the one mentioned ensures that these machines continue to operate effectively and efficiently, contributing to productivity and success for years to come.