Medium-Heavy Truck Certification

Objective: To identify and recognize those Medium and Heavy Truck Technicians who can demonstrate knowledge of the skills necessary to diagnose, service, and repair different systems of Class 4 through Class 8 trucks and tractors. Tests Offered: T1 – Gasoline Engines (50 scored questions) T2 – Diesel Engines (55) T3 – Drive Train (40) T4 – Brakes (50) T5 – Suspension & Steering (50) T6 – Electrical/ Electronic Systems (50) T7 – Heating, Ventilation & Air Conditioning (HVAC) (40) T8 – Preventive Maintenance Inspection (50) Master Certification Requirements: Those who are certified in tests T2 through T8 are recognized as ASE Certified Master Medium-Heavy Truck Technicians. NOTE: T1 is not required for Master Medium-Heavy Truck Technician Status.” Recertification: Technicians must retest every five years to retain their certification. The Medium-Heavy Truck recertification tests (T1R – T8R) are about half as long as the initial certification tests.