If you're looking for a reliable and comprehensive parts manual for your New Holland 6640O - 4 Cyl Orchard Tractor 40 Series (11/91-1/98), look no further than this able . This manual contains all the information and diagrams you need to keep your machine running smoothly and efficiently. It is the perfect tool for completing repairs and maintenance tasks quickly and easily. This manual is available in both Windows and Mac versions, and is compatible with all versions of Adobe Acrobat Reader. It is also printable, so you can make as many copies as you need. With this manual, you can quickly identify the parts you need for repairs, and complete them with ease. It also includes detailed illustrations and step-by-step instructions to help you understand the repair process. This manual covers all serial numbers for the New Holland 6640O - 4 Cyl Orchard Tractor 40 Series (11/91-1/98), and contains all the information you need to keep your machine running safely and efficiently. It is the perfect tool for completing repairs, maintenance, and troubleshooting quickly and easily. With this manual, you can easily identify the parts you need and complete repairs with ease.