In a standard double-trailer setup, which trailer connects directly to the tractor?

Pick an answer

1. The first trailer, called the lead trailer, connects to the tractor's fifth wheel
2. The second trailer always connects to the tractor first, with the lead trailer coupled on afterward
3. Only the converter dolly connects to the tractor
4. Either trailer can connect first with no difference

Correct!

Not quite. The correct answer is highlighted.