Towing Sizes
Maximum sizes for towing
Towing vehicle under 3500kg GVW
Length (excluding the coupling and drawbar)
7.0 metres
Maximum width
2.3 metres
Towing vehicle over 3500kg GVW
Length (excluding the coupling and drawbar)
12 metres if at least 4 wheels
Maximum width
2.55 metres
Length of towing vehicle & trailer combined
18 metres
Maximum overhang of load from rear of trailer
3.05 metres
Further information from: National Trailer and Towing Association (NTTA)
www.ntta.co.uk/law/law/
Maximum trailer sizes
Type 01: unbraked trailers - max. 750kg gross trailer weight or half the towing vehicle's kerb weight - whichever is less.
Type 02: trailers on overrun brakes - max. 3500kg gross trailer weight.
1982 regulations require that all trailers, including unbraked ones, must be clearly marked with their maximum gross weight in kg. This may be checked at any time by the police at a weighbridge. Since 1 January 1997, all unbraked trailer plates must show the year of manufacture.
Maximum sizes for towing
Towing vehicle under 3500kg GVW
Length (excluding the coupling and drawbar)
7.0 metres
Maximum width
2.3 metres
Towing vehicle over 3500kg GVW
Length (excluding the coupling and drawbar)
12 metres if at least 4 wheels
Maximum width
2.55 metres
Length of towing vehicle & trailer combined
18 metres
Maximum overhang of load from rear of trailer
3.05 metres
Further information from: National Trailer and Towing Association (NTTA)
www.ntta.co.uk/law/law/
Maximum trailer sizes
Type 01: unbraked trailers - max. 750kg gross trailer weight or half the towing vehicle's kerb weight - whichever is less.
Type 02: trailers on overrun brakes - max. 3500kg gross trailer weight.
1982 regulations require that all trailers, including unbraked ones, must be clearly marked with their maximum gross weight in kg. This may be checked at any time by the police at a weighbridge. Since 1 January 1997, all unbraked trailer plates must show the year of manufacture.
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