When you're heading out to the field and your tractor's Dual Power transmission starts acting up—slipping, not shifting right, or leaking hydraulic fluid—you need more than just a quick fix. This complete repair kit has everything you need to get your Ford New Holland 40 series back to running like it should, with all the seals, gaskets, and O-rings to rebuild the Dual Power system properly. What You're Getting Complete seal package including all gaskets, O-rings, and sealing components for thorough transmission service High-quality materials that handle the pressure and temperature changes your transmission puts them through Works with both early and late type Dual Power transmissions so you don't have to guess about compatibility Designed to original specifications—fits right the first time without modifications Saves you from hunting down individual parts and gives you everything in one convenient kit Built for Real Farm Work Your Ford New Holland 40 series tractor—whether it's a 5640 utility model or a big 8340 row-crop machine—depends on that Dual Power system for smooth on-the-go shifting. When you're pulling a planter through tough ground or running a loader all day, being able to shift between high and low ranges without stopping keeps you productive and the work moving. Made to Last These sealing components are built to handle the 240-260 PSI operating pressure that makes the Dual Power system work. The materials resist oil breakdown and temperature extremes, so they'll keep sealing properly through long seasons of hard use. Installation Notes This is a transmission-apart job that's best left to someone who knows their way around a Dual Power system. Make sure to clean all the mating surfaces thoroughly and use fresh transmission fluid when you put it back together. Proper bleeding of the hydraulic system after installation is critical for smooth operation.