Correct answer
27 tonnes.
27 tonnes. For a trailer or semi-trailer’s three-axle tandem group, Annex IX specifies 21 tonnes when d is at most 1.30 m and 27 tonnes when 1.30 m < d ≤ 1.40 m. A 1.35 m spacing falls in the second interval. This is an axle-group limit; it does not replace other vehicle or combination limits or lower authorised values in its documents. The old answer of 24 tonnes is outdated for this group.
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27 tonnes.
21 tonnes.
20 tonnes.
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