HDET
Red Seal Trade
Heavy Duty Equipment Technician
Red Seal / red-seal.ca · OEM Standards · OSHA
SAE J Standards · OEM Service Manuals · OSHA 29 CFR 1926
Exam Questions
50
per session
Pass Gate
90%
RISL standard
Refresher Interval
2 yr
recommended
Retest Window
6 mo
if not yet passed
Curriculum — 4 Topic Blocks
Block 01 / 04
Engine Systems
- Diesel engine operating principles
- Fuel injection systems (HEUI, common rail)
- Air induction & turbocharging
- Engine diagnostics & DTCs
Block 02 / 04
Hydraulic & Pneumatic Systems
- Hydraulic circuit analysis
- Pump & motor displacement calculations
- Proportional & servo valves
- Pneumatic braking systems
Block 03 / 04
Electrical & Electronic Systems
- Machine electrical schematics
- CAN bus & multiplexing
- Electronic control modules (ECM/VCM)
- Charging & starting systems
Block 04 / 04
Undercarriage, Drive & Safety
- Track & undercarriage wear analysis
- Power train — torque converters & differentials
- Safe machine inspection (pre-shift)
- OEM lockout procedures
🔒
Enrol to Unlock
30-Day Access
Subscribe to unlock unlimited exam sessions, detailed performance analytics, a Certificate of Completion on a passing result, and the complete HDET question bank — 90%+ pass gate enforced.
$
49.95
CAD
30-day access
per worker
Enrol Now — 30-Day Access
No free trial · Subscription activates full access immediately
Deploy This Programme Across Your Workforce
Industrial employers in Oil & Gas, Mining, Power Generation, Utilities, and Manufacturing use the RISL Living Competency System to verify, track, and enforce workforce competency in Heavy Duty Equipment. Each worker enrolment gives that individual 30 days of access at $49.95 CAD — the same rate whether you enrol 1 or 1,000. Workers must complete the exam within their access window to receive a Certificate of Completion.
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Result Levels
| Level |
Score |
Result |
Timing |
Next Step |
| Passed |
90–100% |
Certificate of Completion |
Recommended refresher interval: 2 years |
Refresher within 2 years to stay current |
| Not yet passed |
70–89% |
No certificate |
Retest recommended within 6 months |
Targeted study on weak areas |
| Not yet passed |
Below 70% |
No certificate |
Retest within 30 days |
Structured study on all flagged areas |