Tyre labelling only legally applies to Car Tyres although most makers are now putting on van, its also well known that alot Asian produced tyres, ratings are possibly exaggerated in favour of better results and a few have since been found flouting the Law, the Tyre maker grades the tyre rating not an independent body, they are only tested when they have been challenged , Camper Tyre fyi are tyres that can be inflated beyond 65psi which is the general max pressure for van tyres.
Commercial tyres are popular with caravanners. Max inflation pressure is sufficiently over what you need IMO. In a car, 32 psi may be specified. My caravan runs at 44psi. Seems fine for the last 4 years. But the caravan suspension seems. . . non existent! Doesn't move even when wife climbs in. . .
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I too need 2 tyres and I was astonished to call up a tyre company that I was told I could fit car tyres to a caravan now I know that I did say 165/80/13 tyres for a caravan and he said yes got loads in stock when I asked what ply rating they were he said normal.
I have now gone to a company that does tractor and truck tyre and they just laughed at what I said.
165/80/13 8ply maximiller tyre X2 all done for £105.
Job done
Make sure they are torqued up when fitted and carry a torque wrench with you on your first trip and check after 30-50 miles or use plastic pointers on steel or a dab of tipex on alloys, it makes a mess when a van wheel comes off.
Quote: Originally posted by daz1975 on 02/5/2015
I too need 2 tyres and I was astonished to call up a tyre company that I was told I could fit car tyres to a caravan now I know that I did say 165/80/13 tyres for a caravan and he said yes got loads in stock when I asked what ply rating they were he said normal.
The "ply" rating is at best academic as it is the load and speed ratings that define the performance of the tyres not the number of ply that maker needs to use to achieve that. Actually the lower number hints at the better quality as it implies a "knitted" purpose made doughnut reinforcement is employed rather than a built up one from sections of sheets of fabric etc. With the latter there are multiple overlaps so localise changes in wall stiffness, with the former the wall stiffness is uniform throughout, and remains so over the pressure range.