This comprehensive operator's manual provides detailed information on the New Holland 648, 658, 678, and 688 round balers. Whether you're a seasoned operator or a new user, this manual will guide you through every aspect of your baler, from basic operation to advanced maintenance.

Dive into the intricacies of the baler's design, including explanations of the hitch, jack, PTO, and slip clutch. Learn about the various drives and pickups, the critical role of forming rolls and belts, and the intricacies of the bale-tension system. Understand the wrapping system and the importance of proper tailgate latch operation. The manual also explores available options and accessories.

For your convenience, the manual includes a detailed schematic, allowing you to visualize the baler's internal components. Finally, a comprehensive specifications section provides all the essential technical details you need to know.