ASE offering medium-heavy truck certification tests

by | Sep 15, 2021 | 0 comments

The National Institute for Automotive Service Excellence (ASE) offers T-Series and E-Series truck certification tests that verify the proficiency of professional service technicians who work on medium-heavy trucks and equipment.

“The ASE truck equipment and medium-heavy truck certification tests provide service professionals the opportunity to show employers and customers that they have the ability and knowledge to service and repair all class levels of trucks,” said Tim Zilke, ASE president and CEO.

“By passing these challenging ASE truck certification tests, professional service technicians will have the satisfaction of knowing that they are among the elite in their profession.”

Designed to identify and recognize medium and heavy truck technicians who demonstrate knowledge of the skills necessary to diagnose, service and repair different systems of Class 4 through Class 8 trucks and tractors, ASE offers eight T-Series certification tests.

The tests include gasoline engines (T1); diesel engines (T2); drive train (T3); brakes (T4); suspension and steering (T5); electrical/electronic systems (T6); heating, ventilation and air conditioning (HVAC) (T7); and preventive maintenance inspection (T8).

Those who are certified in tests T2–T8 are recognized as ASE Certified Master medium-heavy truck technicians.

The ASE truck equipment E-Series certification tests are designed to identify and recognize those truck equipment technicians who can demonstrate knowledge of the skills necessary to install, diagnose, service and repair truck equipment and related support systems on all classes of trucks and tractors.

Three tests are offered including truck equipment installation and repair (E1), electrical/electronic systems installation and repair (E2), and auxiliary power systems installation and repair (E3).

Those who are certified in tests E1–E3 are recognized as ASE-Certified Master truck equipment technicians.

For more information about ASE truck tests and other ASE tests, visit

About the National Institute for Automotive Service Excellence (ASE)

Established in 1972 as a non-profit organization, the National Institute for Automotive Service Excellence (ASE) is a driving force in the transportation industry.

As an independent third party, ASE upholds and promotes high standards of service and repair through the assessment, certification and credentialing of current and future industry professionals, and the prestigious ASE Blue Seal logo identifies professionals who possess the essential knowledge and skills to perform with excellence.

Today, there are approximately 250,000 ASE Certified professionals at work in dealerships, independent shops, collision repair shops, auto parts stores, fleets, schools, and colleges throughout the country.

For more information about ASE, visit


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