This comprehensive New Holland 640, 644, and 648 Round Baler Factory Service Repair Manual is a valuable resource for anyone who owns or works on these machines. It is a complete, official manual that provides detailed information on maintaining and repairing these balers. This manual covers all aspects of the baler, including maintenance, power take-off, hydraulic system, electrical system, product feed, pressing, tying, and much more.

The manual's detailed illustrations, diagrams, and specifications guide you through each repair procedure. It also includes an advanced troubleshooting guide to help you diagnose and correct any problems. With step-by-step instructions, cautions, warnings, and bold figure numbers, this manual makes it easy to find the information you need. Enlarged insets provide a closer look at critical parts. A numbered table of contents allows for quick navigation.

This manual also simplifies the diagnosis and repair of electrical system problems. Troubleshooting and electrical service procedures are combined with detailed wiring diagrams, making it easy to understand and utilize. Whether you are a professional technician or a do-it-yourself enthusiast, this manual provides the knowledge and guidance you need to keep your New Holland 640, 644, or 648 Round Baler running smoothly.

The New Holland 640, 644, and 648 round balers are a series of high-performance agricultural machines designed for efficient and reliable hay baling. These balers are known for their robust construction, advanced features, and user-friendly operation. They offer a range of bale sizes, allowing farmers to customize their baling process based on their specific needs. The 640 model produces bales with a diameter of 4 feet, while the 644 and 648 models deliver 4.5-foot and 5-foot bales, respectively. All three models feature a heavy-duty frame, designed to withstand the rigors of demanding agricultural environments. They are powered by a robust PTO drive system, which provides ample power for consistent baling performance.

The New Holland 640, 644, and 648 round balers are equipped with a sophisticated bale chamber system, featuring a series of rollers that guide and compress the hay into a uniformly dense bale. The baler's automatic bale ejection system ensures smooth and efficient bale delivery. These machines are also designed with operator comfort and convenience in mind. They feature an ergonomic control panel that provides easy access to all operating functions. The baler's design also incorporates a number of safety features, such as a protective shield and a bale chamber interlock system, ensuring the safety of the operator during operation. The New Holland 640, 644, and 648 round balers are a reliable and versatile choice for farmers seeking efficient and productive hay baling solutions. Their robust design, advanced features, and user-friendly operation make them a popular choice for both small and large-scale farming operations.