This New Holland 3900 - 3 Cyl Ag Tractor Rice (1/75-12/81) Parts Manual is the perfect solution for keeping your machine running smoothly. With this manual, you can quickly and easily identify the parts you need and get them ordered quickly. Plus, it comes with a manufacturer part number and covers all serial numbers, so you can be sure you're getting the right parts. Compatible with all Windows and Mac operating systems, you can easily access it from any device. Learn More