As a distributor and dealer for engines, transmissions, refrigeration, and commercial vehicle parts, Penn Detroit Diesel Allison LLC. maintains a computerized inventory throughout our locations to assure customer requirements are met on time and every time.

We offer exchange products consisting of everything from engines, transmissions, starters, to clutches and air brake components. A full line of genuine OEM replacement parts and maintenance items makes us your logical source for one stop shopping.

Choosing a qualified service provider is one of the most important decisions any business can make. Your equipment, and ultimately your profitability, requires skilled and knowledgeable service people to fix the problem quickly and efficiently. At Penn Detroit Diesel Allison, over 430 service professionals pride themselves in treating our customers with respect and understanding of your business needs. From our off the shelf parts availability, to eight state-of-the-art service facilities that are equipped with the latest diagnostic tooling available, you have our full service commitment.

• Quick turn-around time on repairs
• Employee accountability
• Superior customer communications
• Precise service capabilities
• Trained service technicians
• Extended hours of operation
• Mobile service capabilities
• Quality products at fair market values
• Effective solutions to customer needs
• Customer friendly service environments