Question 18 of 120

What is a pup trailer commonly used for in a doubles combination?

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It is another name for the converter dolly itself
It is a shorter trailer designed to be paired with another trailer of similar length in a doubles setup
It is a training-only trailer that never carries cargo or gets coupled into a working combination of any kind whatsoever
It refers to the size of the tractor's engine

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Correct answer to question 18 (Doubles/Triples): It is a shorter trailer designed to be paired with another trailer of similar length in a doubles setup

Why

Pup trailers are built shorter specifically so two of them can be paired together in a doubles combination without exceeding length limits.

Updated: November 2026

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What is a pup trailer commonly used for in a doubles combination?

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