Diesel Turbochargers - Fuel Injectors & Service Experts!

Test Calibration in Mobile, AL sales and services diesel turbochargers and diesel fuel injection equipment. We opened our doors in 1976. Our goal was to rebuild, service and sell diesel fuel injection systems, diesel fuel injectors and diesel turbochargers. Since that time, the design and technology of injection and turbos has changed. Today, manufacturers have advanced electronically controlled diesel turbos and fuel injection. Test Calibration has kept up with this advancing technology. We have invested in state of the art equipment and the latest up to date training available. We do this so we can provide you with a full spectrum of services for these advanced electronically controlled diesel injectors. Test Calibration services many manufacturers equipment. We also stock parts for those same manufacturers. For a full list of the manufacturers we service, please go to our About Us page. Please Contact Us today and allow us to help you get up and running again! Why Turbochargers fail... read more here.

Serving Alabama, Mississippi, Florida & Louisianna for 45 Years.

We Rebuild Diesel Fuel Injection Pumps, Injectors & Turbos. New Units Are Also Available.

We Clean Diesel Particulate Filters (DPF), Diesel Oxidation Catalysts (DOC) and Selective Catalytic Reduction Catalysts (SCRC).

We Are A Factory Authorized Deutz and Hatz Engine Dealer.

Updated EGR Coolers Are in Stock

We stock diesel turbochargers, fuel injectors and parts.