7 Pin ‘S’ type caravan wiring
7 pin ‘S’ type plugs and sockets are usually used on caravans to supply power to the reverse light and give auxiliary power to other systems such as fridges, internal lights and charging systems. This was replaced in 2008 by the 13 pin Euro plug on all new caravans. It is recommended that a split-charge [...]
Maximum trailer towing weights
When building a trailer the most important thing to take into consideration is the gross weight of the trailer. This affects the suspension, wheels and tyres and the coupling. Your trailer is only as strong as the weakest of these parts. Legal trailer weights The Maximum Gross weight for an unbraked trailer is 750kg The [...]
Maximum Legal Dimensions for a trailer
When building a trailer there are a few laws regarding the size and capacity to be legal for use on public highways. Dimensions Trailers on towing vehicles upto 3500kg Maximum length: 7m Excluding drawbar Maximum Width: 2.55m Trailers on towing vehicles over 3500kg Maximum length: 12m Excluding drawbar Maximum Width: 2.55m Maximum Overall length: 18m [...]