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    Your trailer has a Maximum Authorised Mass (MAM) of 3,500kg. What does this mean?

    DVSA-style practice question · Vehicle Loading

    The answer options

    • The combination of your trailer and towing vehicle cannot weigh more than 3,500kg
    • Your empty trailer can weigh 3,500kg
    • Your trailer can carry a maximum load of 3,500kg
    • The combined weight of your trailer and load cannot exceed 3,500kgCorrect

    Why that is the answer

    Maximum Authorised Mass, or MAM, is the absolute limit a trailer can legally weigh when fully loaded. This includes the unladen weight of the trailer itself plus the weight of any load being carried. Drivers often mistake MAM for payload, but payload is just the weight of the cargo. Exceeding the MAM is unsafe and illegal, as highlighted in official DVSA guidance, because overloaded trailers severely affect vehicle handling and braking performance.

    How this comes up in the real test

    Questions from vehicle loading appear throughout the 50-question multiple-choice section, and the wording changes between versions. Learn the rule rather than the sentence: the DVSA can ask the same point from the opposite direction, and a memorised answer falls over the moment the phrasing moves.

    The pass mark is 43 out of 50, so seven wrong answers is your entire margin. If a whole category is shaky, run the topic practice below until you are getting every question right for the right reason, then go back to full mocks under the clock.

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