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National Transport Commission (Road Transport Legislation – Road Transport Charges Regulations) Regulations 2006
Part 1Axle load limits
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Part 1—Axle load limits
| Column 1 | Column 2 | Column 3 |
|---|---|---|
| Item No. | Type of axle or axle group | Axle load limit (tonnes) |
| 1 | Single axles | |
| (a) 2 tyres | 6.0 | |
| (b) 2 wide profile tyres: | ||
| (i) 375 mm to 450 mm | 6.7 | |
| (ii) over 450 mm | 7.0 | |
| (c) 4 or more tyres: | ||
| (i) on pig trailers | 8.5 | |
| (ii) on other vehicles | 9.0 | |
| 2 | Twin steer axle groups (2 consecutive axles connected to the same steering mechanism) | |
| (a) non‑load sharing suspensions | 10.0 | |
| (b) load sharing suspensions | 11.0 | |
| 3 | Tandem axle groups (2 consecutive axles connected by a load sharing suspension) | |
| (a) 4 tyres | 11.0 | |
| (b) 4 wide profile tyres: | ||
| (i) 375 mm to 450 mm | 13.3 | |
| (ii) over 450 mm | 14.0 | |
| (c) 6 tyres | 13.0 | |
| (d) 8 or more tyres: | ||
| (i) on pig trailers | 15.0 | |
| (ii) on other vehicles | 16.5 | |
| 4 | Tri‑axle groups (3 consecutive axles connected by a load sharing suspension) | |
| (a) 6, 8 or 10 tyres | 15.0 | |
| (b) 6 wide profile tyres (375 mm or over): | ||
| (i) on pig trailers | 18.0 | |
| (ii) on other vehicles | 20.0 | |
| (c) 12 or more tyres: | ||