ASE T-Series

Prepare for your ASE T-Series certification exams with comprehensive test prep resources designed for Medium/Heavy Truck technicians. These resources are an essential tool for technicians who want to demonstrate their expertise in a variety of truck systems and earn industry-recognized credentials.

What is the ASE T-Series?

The ASE T-Series includes a full suite of certification exams for medium and heavy-duty trucks (typically Class 4 through Class 8). Passing these tests proves a technician has the knowledge and skills to diagnose, service, and repair the complex systems found in today’s commercial vehicles.