Restrictions on towing of trailers
22.—(1) This article applies in any of the following cases to a special type agricultural vehicle that is a motor vehicle:
CASE 1
Where the special type agricultural vehicle has an overall width exceeding 3 metres.
CASE 2
Where a special type agricultural vehicle is towing an agricultural trailer, or agricultural trailed appliance, in an offset manner and the overall width of the two vehicles (measured as if they were one) exceeds 3 metres.
CASE 3
Where a special type agricultural vehicle is towing an agricultural trailer, or agricultural trailed appliance, otherwise than in an offset manner and the overall width of either (or both) of the vehicles exceeds 3 metres.
(2) The special type agricultural vehicle must not either tow any trailer (where the vehicle falls within Case 1) or tow any other trailer (where the vehicle falls within Case 2 or 3), apart from a trailer that is of a description permitted by paragraph (3).
(3) The trailers permitted by this paragraph are—
(a)a two wheeled trailer used solely for the carriage of equipment for use on the towing vehicle;
(b)an agricultural trailed appliance; or
(c)an unladen trailer specially designed for use with the towing vehicle when it is harvesting.