Quote:
Originally Posted by Limecc
The size of the box section affects the rated capacity because 70mm box has thicker rubber cords than 60mm. It appears the quality of AlKo cords has really gone downhill in the last few years, caravan axles (made by the same) in some cases are only lasting a few years. The ride height drops and the caravan bodywork (or boat hull/transom) start to take a pounding.
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Most of the rating is about the stud size hence 3/8" unf for 750kg ,but for 1000kg (off road
![nonono](https://www.rib.net/forum/images/smilies/nonono.gif)
) indespension do 7/16 unf studs , these can be used for 4" pcd wheels ,but for 100mm pcd you can use m12 bolts in unbraked indespesion hubs rated at 1500kg ,other very important to have ply rated tyres for the weight ie for 500x10 wheels you need 6 ply for 750kg (2x375kg) and 8 ply for 1000kg (2x500 kg )
if you google mersea trailers who now own snipe ,rapide and bramber brands ,they will have most size axles ever used in stock ,all galvanised and ready to go ,located colchester essex