This comprehensive New Holland 640 644 648 650 654 658 Round Baler Factory Service Repair Manual provides a detailed and in-depth guide to maintaining and repairing your baler. It covers every aspect of the baler, offering step-by-step instructions to ensure your success in any repair or maintenance task. The manual offers a wealth of information, including: * **Maintenance:** This section provides detailed instructions on scheduled maintenance tasks, ensuring the longevity and optimal performance of your baler. It equips you with the knowledge to keep your baler running smoothly. * **Implement Power Take-Off:** Learn about the intricacies of the power take-off system, its operation, and potential troubleshooting methods. This section equips you to handle any issues related to this crucial component. * **Hydraulic System:** This comprehensive section covers the hydraulic system of the baler, including its components, operation, and troubleshooting techniques. It allows you to diagnose and repair any hydraulic-related problems with confidence. * **Electrical System:** The manual provides a thorough explanation of the baler's electrical system, its functioning, and troubleshooting methods, enabling you to address any electrical issues. * **Product Feed:** This section focuses on the baler's product feed system, covering its operation, troubleshooting, and proper maintenance. It guides you through ensuring the smooth and efficient feeding of hay into the baler. * **Pressing:** Understand the intricate mechanics of the baler's pressing system, including its operation, troubleshooting, and proper maintenance. This section helps you address any problems related to bale density and formation. * **Tying:** This section dives into the baler's tying system, covering its operation, troubleshooting, and maintenance. It guides you through ensuring the secure and consistent tying of your bales. This robust manual goes beyond basic repairs, providing detailed illustrations, diagrams, and specifications to guide you through any repair procedure. It also includes an advanced troubleshooting guide to help you quickly diagnose and correct any problems encountered. This manual contains everything you need to repair, maintain, rebuild, refurbish, or restore your New Holland 640 644 648 650 654 658 Round Baler. You can easily find the information you need using the detailed table of contents and pinpoint critical information through notes, cautions, and warnings throughout each chapter.

The New Holland 640, 644, 648, 650, 654, and 658 round balers are a series of agricultural machines designed for efficient and high-quality hay and straw baling. These balers are known for their durability, reliability, and user-friendly features, making them popular choices for farmers and ranchers of varying sizes. The 640 series emphasizes versatility, offering various bale sizes and densities with adjustable bale chamber widths ranging from 47 to 56 inches. The 644 and 648 models boast enhanced productivity with larger bale chamber sizes, allowing for 56 and 60 inches wide bales, respectively. The 650, 654, and 658 models push the boundaries of baling efficiency with larger bale chamber widths of 60, 66, and 72 inches, enabling them to handle greater volumes of hay or straw. These balers are equipped with powerful engines that provide reliable performance even under demanding conditions. The robust construction and well-designed components ensure longevity and minimize maintenance requirements. The user-friendly control system simplifies operation and allows for precise adjustments to bale density and size. Integrated features like automatic bale ejection, twine tying systems, and optional bale wrappers enhance efficiency and ease of use. The New Holland 640 series round balers offer a comprehensive solution for hay and straw baling, combining high performance, durability, and user-friendliness to meet the needs of modern agricultural operations.