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Report you’ve changed a HGV or trailer chassis, weight, tyres or brakes (a ‘notifiable alteration’) or apply to change the weight you can carry.
Maximum weights for different heavy goods vehicles (HGVs) depending on the vehicle type and number of axles.
A guide about the various categories and weight classes for lorries.
Towing trailers, caravans and horseboxes with a car, including the weight and size limits, and what licence you need to have
Weights and measures - find out the law on trading standards for packaging and selling products
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