Practice question

In IAAA Category E tractor terminology, what is a trailer tractor designed to do?

  1. Tow trailers other than semi-trailers, and it may be fitted with a load bed of its own
  2. Tow semi-trailers only, using a fifth-wheel plate and kingpin
  3. Carry passengers in an articulated bus body
  4. Push a trailer from behind rather than tow it

Answer: A — Tow trailers other than semi-trailers, and it may be fitted with a load bed of its own

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