The New Holland 1520, 1530, 1540, 1545, and S1550 Combine Harvester Service Parts Catalog is an indispensable resource for anyone looking to maintain or repair these models. This comprehensive manual provides detailed information and instructions for a wide range of components and systems. Dive into the intricacies of your combine's engine, delving into its lubrication, cooling, and fuel systems. The catalog offers step-by-step guidance on disassembly and servicing, ensuring you can tackle any maintenance needs with confidence. Explore the intricacies of the combine's separation, clutch, transmission, drive chain, sprockets, rear axle, brakes, front axle, steering, shocks, bodywork, intake and exhaust systems. Uncover the complexities of the hydraulic and electrical systems, gaining a thorough understanding of their operation and troubleshooting techniques. The catalog also includes comprehensive routine maintenance schedules and a robust troubleshooting guide to help you diagnose and solve any issues that may arise. Detailed wiring diagrams are included to facilitate electrical system repairs. This manual serves as a valuable tool for both DIY enthusiasts and seasoned mechanics, providing the knowledge and instructions necessary to keep your New Holland Combine running smoothly. Whether you're looking to adjust injectors, understand engine timing, troubleshoot engine problems, or simply perform routine maintenance, this service parts catalog has the information you need.

The New Holland 1520, 1530, 1540, 1545, and S1550 are a series of powerful and versatile combine harvesters manufactured by New Holland Agriculture. These machines were designed for high-capacity harvesting of a wide range of crops, including wheat, barley, oats, soybeans, and corn. The New Holland 1500 series combines were known for their robust construction, reliable performance, and advanced features, making them popular choices among farmers seeking efficient and productive harvesting operations. The New Holland 1500 series combines offered a range of engine options, providing different horsepower outputs to match specific farming needs. The combines featured advanced threshing and separation systems designed for optimal grain quality and minimal losses. They also incorporated features like variable speed threshing and cleaning systems for improved efficiency and adaptability to varying crop conditions. The combines were equipped with spacious cabs, offering operators comfortable working environments and excellent visibility for precise harvesting operations. The New Holland 1500 series combines were known for their easy maintenance and servicing, minimizing downtime and ensuring efficient operation. The service parts catalog for these combines provided a comprehensive guide for owners, mechanics, and technicians, offering detailed information on parts identification, specifications, and repair procedures. This valuable resource facilitated proper maintenance and repair, ensuring optimal performance of these powerful machines.