Whether you are looking to upgrade or replace the transmission on your diesel truck, Next Gen Diesel has got you covered. We offer various 2006-2010 Allison diesel transmissions, which are compatible with Chevy and GMC diesel trucks manufactured during this period. We offer a variety of different models to choose from, making it easy to find the one that meets your needs. Our options include street, superstock, and competition models. If you are looking for a model that can work with high-powered engines, opt for the competition model. This transmission is compatible with engines up to 1500 horsepower. If you are looking for a more traditional option, opt for the superstock Allison transmission, which is compatible with engines up to 550 horsepower. Check out our selection of 2006-2010 Allison diesel transmissions today!