Agricultural Diesel Solutions power modules by PSI Power are adjustable performance chips that offer significant horsepower increases, improved fuel economy and lower exhaust emissions. They make modules of the highest quality with a lifetime manufacturer warranty. There is a power module for most tractors on the farm today, including John Deere, New Holland, Case IH, McCormick, Gleaner, Versatile, Caterpillar and many more. To expedite your search, you can always put your tractor model number in the Keyword or Part # box above. Or contact us with any questions. They also make power modules for diesel pusher RV’s, light duty trucks, Class 8 and medium duty.