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CDifficulty 2/5

What is the MAM of a lorry's tandem axle when the distance between the axles is 1.20 metres?

Correct answer

16 tonnes.

16 tonnes for the pair of axles, not for each axle. The General Vehicle Regulations set that maximum for a motor vehicle’s tandem axle group with spacing of at least 1.00 m and less than 1.30 m. A spacing of 1.20 m falls within that interval. Do not confuse this with a single-axle limit or the lorry’s overall maximum authorised mass.

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  • 16 tonnes.

  • 18 tonnes.

  • 11.5 tonnes.

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