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CDifficulty 3/5

As a general rule, excluding special increases, what maximum authorised mass does the Annex IX table allow for a three-axle lorry whose driven axle has twin tyres and air suspension?

Correct answer

26 tonnes.

26 tonnes. The condition refers to the driven axle, equipped with twin tyres and air suspension or a recognised equivalent. The general figure for a three-axle motor vehicle without those conditions is 25 tonnes. Axle limits, technically permissible mass and the authorised mass of the particular vehicle must also be respected. The table provides special increases or cases excluded from this question.

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All options

  • 18 tonnes.

  • 26 tonnes.

  • 25 tonnes.

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