BorgWarner Turbochargers
Deutz Engines
Hatz Diesel Engines

Welcome to Test Calibration

Diesel Engines - Turbochargers - Fuel Injectors

Test Calibration is your expert for all your turbocharger and fuel injector needs. We are located in Mobile, AL and we are ready to serve you through our service department or through providing you with a new or remanufactured parts. We have replacement parts for most all manufactures. We also test and repair diesel turbochargers and fuel injectors. We are also dealers for Hatz and Deutz diesel engines. Test Calibration has recently launched our new online parts store. Some of the manufacturer's parts we sale and service include such companies as: Chevy, GMC, Ford Power Stroke, Dodge / Cummins, Industrial Farm Tractors, Mack, Mercedes, Caterpillar, Deutz & Hatz Engines, John Deere, Volvo-Penta and Detroit Diesel Series 60. We are not limited by the ones listed above, but these are just some of the more common types we see on a consistent basis. If you have any questions, please feel free to Contact Us. Otherwise, please take a few moments to browse our website.

Diesel Fuel Injector Sales

Fuel Injectors

Test Calibration has many years experience with diesel engine fuel injectors. We not only stock parts for many different types of diesel fuel injectors, but we also have modern test equipment to make sure the injector is bad or malfunctioning.

Diesel Engine Sales & Service

Diesel Engines

We are Hatz and Deutz Engine dealers. You can read about their history and the company by clicking Here. We take great pride in our work and also in the companies we represent. Please Contact us today for questions!

Diesel Turbocharger Sales


We have turbochargers for diesel pickups, mid range trucks, class 8 trucks, Farm Tractors & Equipment, Construction Equipment, Logging Equipment, Industrial Engines and Marine Engines. If you have any questions, please Contact Us.

Vendors for Test Calibration
Payment Options to include, VISA, MC, AMEX & PAYPAL
Factory authorized Deutz & Hatz Diesel Engine Parts & Service Dealer