ASSEMBLE PATH · ONTARIO TRADE 421A
Heavy Duty Equipment Technician
A Heavy Duty Equipment Technician inspects, diagnoses, troubleshoots, repairs, and verifies the repair of heavy duty equipment. They work on different types of heavy duty equipment such as draft shaft drive axle assemblies, final drive, structure components and accessories, tires, wheels, frames and undercarriages, and ground engaging equipment and attachments. Specifically, a Heavy Duty Equipment Technician:

Original generated editorial image • not a real employee
WHY THE WORK MATTERS
Skilled diagnosis keeps the machines behind construction, mining and forestry productive.
Heavy duty equipment technicians inspect, diagnose, repair and verify engines, powertrains, hydraulic, electrical, braking, steering and structural systems on large mobile machinery.
EXPLORE IN ORDER
Four questions. One clearer next step.
WHERE THE WORK LIVES
Real settings for real work
EVIDENCE BASE
Sources & verification
Regulated, numerical and time-sensitive claims link to the authority used. Accessed and reviewed August 25, 2026.