Week 24 of 52
Pre-trip 5: coupling and trailer
The seven videos
- MondayLesson 1 of 5
The AAMVA coupling and trailer test: what's actually graded
Covers the required minimum, then goes past it.
- TuesdayLesson 2 of 5
How a fifth wheel actually locks: jaw mechanics and the tug-test myth
Covers the required minimum, then goes past it.
- WednesdayLesson 3 of 5
What actually fails a coupling inspection: cracks, welds, and two different numbers
Covers the required minimum, then goes past it.
- ThursdayLesson 4 of 5
The marking myth: what federal law does and doesn't require on your coupling hardware
Covers the required minimum, then goes past it.
- FridayLesson 5 of 5
What a coupling failure actually looks like: Sherwin Pass and the limit of the fifth wheel
Covers the required minimum, then goes past it.
- SaturdayTips from the seat
Tips from the seat, on this week’s subject. Not written yet.
- SundayCase law and war stories
Case law / war stories: Sherwin Pass, and how investigators proved the coupling didn't fail first