Motorhome tyres
I have just purchased a swift 590rs based on a fiat ducato It is fitted with 4 chengshun tyres which are very budget tyres What tyres are the best for this vehicle a I don't like the way it drives on these And they are only ment to have 65psi in them Any advice would be helpful as we are new to motorhome ownership
Thanks
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We use Continental vanco campers, They are cheaper than Michelin and we find they run quieter and they also do better in user surveys that we have seen
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There are those who will swear that you must fit motorhome specific tyres and those who say that you should simply fit ones with the correct load / speed rating.
I have experienced sidewall failure on Michelin tyres that were only a 4 or 5 years old, and I have recently replaced all 4 Michelin tyres on my camper as the sidewalls were cracking (although the tread was good).
I have fitted Nokian C-Line Cargo tyres. Not exactly budget at £105 each, but have got good reviews from fleet operators. They are noticeably quieter than the previous Michelins.
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Our's has Continental Vanco Camper tyres. Just in case you are unsure, camper / motor-home tyres, as I understand it, are designed to be on the vehicle whilst it isn't moving for long periods, without causing a flat spot on the tyre through being parked.
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willowbedone - have you weighed the Motorhome in 'holiday' mode - (fully laden for when you go away) - to find the axle weights and with that info you can determine the correct tyre pressures ?
Without that info, if your pressures are set too high or too low, the MH will not drive as you hoped and it may just need altering the pressures to get a better ride on the tyres you have.
I use Hankook tyres, I changed from Continental, and they give a good ride.
After a visit to a weighbridge (£5) fully laden and studying the TyreSafe Motorhome pressure calculator I set them at 51psi Front and 61psi Rear.
There are hundreds of threads on Forums giving the pros and cons of tyres but to save yourself spending money you don't need to a trip to the weighbridge is probably the cheapest option of getting it right.
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I would have thought that as long as the tyre load rating for a particular vehicle (MH or Caravan ) is met by the manufacturer specifications , brand type is a personal choice.
psi would then be calculated by tyre load rating & the actually loaded weight of the vehicle . 👍
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Camper tyres are designed with stronger sidewalls as they are always loaded unlike a white van which may start the day loaded but empty during deliveries. They are also designed to sit for long periods of time in the same place either in storage or on site so again differ from normal commercial tyres in this respect.
The tyre manufacturer will let you know what pressure to put in them based on axle load etc. however Michelin say to put 80psi in rear and 65psi in front regardless of load.
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The Marquis brochure for mine says 72/79. I have Continental Vanco's with a nominal max of 69psi. Based on the axle loads, what I need is 61/65. It is further complicated by the tyre pressure sensors nagging me that they are under-inflated. I'm trying, by trial and error, to see how low I can get them without the sensors nagging me. I think I am going to end up with 66/71. I might see if I can get them reset to a slightly lower figure.
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Michelin (Agili) and Continental (Vanco) are the most popular OEM tyres. both are specific MH tyres to deal with the situations Michael describes above.
both suppliers are happy to help with the correct tyre pressures (and this is NOT anywhere near 80psi) once you have weighed the van for axle weights.
based on my own weights and the subsequent info from Continental, i cant believe anyone running on a 'light' 3500 chassis can be running anywhere approaching these 'rock hard' levels.
just because most converters put 80psi all round, doesnt make it right......
for info, here is the note from Continental re: my own weights...fully loaded for 3 month tour, incl bikes, tables/chairs/bbq etc, fuel, gas, water, passenger and incorporates 'significant wine allowance'...
Rear axle 1900kg (max 2000)
Front axle 1540kg (max 1850)
Gross 3440 kg (max 3500)The following is the reply from Continental Automobil.
The pressures you require are as follows:
Front: 1540kg 3.25bar - 47psi pressure applicable to a maximum permissible load of1590kg. 1850kg Max loading at 4bar - 58psi (1875kg maximum at this pressure)
Rear: 1900kg 4.25bar - 61psi pressure applicable to a maximum permissible load of1970kg. 2000kg Max loading at 4.5bar - 65psi (2060kg maximum at this pressure)
As a general rule for pressures on this tyre, every 100kg added from the base figure of 1490kg at 3bar (43.5psi) will require an increase of 0.25bar(3.6psi) in pressure up to a maximum of 2060kg at 4.5bar (65psi)
as you can see, even upto the maximum weights of the axles for the light chassis, the recommendation is not higher than 58psi front and 65psi rear.
but as the combined axle weights at these max ratings would be approaching 4t, anyone on a 3.5t chassis will hit their limits well before this.
another good reason to weigh one's van.
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BB - the details come from an email reply on MHFacts, about 7 years ago, from a Product Support Engineer of Continental Automobil.
His figures are confirmed, by and large, with the SafeTyre advice and I've never had a problem with the tyres or the ride they give.
Putting 80psi in the tyres gives a hard ride and only those with well glued dentures should pump them up so high.
But without weighing the vehicle it's just guesswork.
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Keith, my info came directly from Continental and pertains to my van's axle loadings...i emailed them after i got the van and weighed it in Jan last...
i would find 80 psi all round probably unbearable...the ride is really smooth on the Continental settings.
i see Michelin are adopting a 'half way house' position where rear axle 'recommendation' of 80 psi is 'due to construction of the tyre', yet even with same tryes on the front, is apparently ok to reduce this according to axle weight.....hmmmm....
make of that what you will....
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Thanks to you all for your replies Ian
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BB - sorry for the wrong attribution but the figures are identical to a Continental reply to a post by UncleNorm (19/05/2010) on MHFacts.
I agree that 80psi is way over the top for the majority of Motorhomes but it's only when you've driven on lower pressures for any length of time do you realise how excessively hard are the 80psi tyres.
We came out of the Eurotunnel terminal and onto the M20 recently and the potholes on the Motorway give it a feel of a third rate countries roads.
If we had had fully (80psi) inflated tyres there would have been no 'give' and I think the suspension would have suffered long term as a result.
With our lower pressures at least the tyres were able to give a better, but not good, ride until the Motorway surface improved after Maidstone.
I now understand why many motorists drove in the middle lane to avoid the diabolical potholes on one of our prime Motorways - the M20 gateway to the UK is a disgrace.
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Cheng Shin tyres are known for their soft side walls. I and many others, use them on vintage trials cars and they're excellent for grip on deep rutted and muddy hills - not somewhere you'd want to take your motorhome!
Its horses for courses when it comes to tyres. On our last 3 motorhomes we've had Continental vango tyres with no trouble in over 100k miles. Tyre pressures are a matter of trial and error but the above advice is sound.
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To answer your question, buy some decent tyres.
Branded tyres are expensive, relative to cheap tyres. I recently fitted Yokohama in one application and paid £120 per corner, there were Michelin and Conti up to £180 for the same application. What I find amazing is there were a few far east brands at £40 per corner. What the hell are they made of. I have a good idea of the cost structure in the industry and allowing for the premium advertising budget then how the hell they market them at this cost is beyond belief.
I spoke to a man who spent his life in the industry, his advice was simply that you only ever find out what you are paying the extra for when you really need to know, at the limit.
Personal opinion:
Best
Continental, Pirelli, Goodyear, Michelin
Very very good
Kuhmo, Yokohama, Hankook, Toyo, Dunlop
Also look for second brands:
i.e Continental have massive development and testing facilities and can justify their premium prices but they also market tyres under sub brands, Barum, Uniroyal, Matador, Semperit. This means that you benefit from the R&D benefits without necessarily paying for the high profile marketing.
As a rule of thumb, if the brand supplies an OE then you can be assured that their manufacturing and materials have been rigorously appraised.
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Keith, no worries...perhaps all their repies are sent in a 'fixed' format and look very similar..
Peedee.....i assumed it means Original Equipment?...
however, choosing MH tyres is a world away from kitting up the many/various types of car.....compare a Carrera to a Fiesta?
whereas 'almost' all MH (as being discussed here) come within a weight limit (more than likely on a 3.5t or 4.25t Fiat/Merc chassis) and a similar 'sedate' performance spectrum....the usage model is also far different to a car.....some sit for ages and dont move, many are loaded to the gunwales and driven for thousands of miles on european tours...
the tyres need to reflect these traits and CP rated MH tyres (especially from Continental and Michelin) are designed specifically to cater for these 'different/specific' demands...
id certainly stick with one of these brands and try and get the pressures to suit my axle weights.
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Yes OE means tyres fitted as Original Equipment by one of the major automotive companies.
Understanding your requirement is the first step, so you need the size, speed rating and load rating. Dont copy the rating on the tyres you currently have fitted, read the handbook to make sure someone didnt put lower rated budget tyres.
Once you have this there are many on line sites that will give you the available choices.
For motorhomes the tyres are virtually all known as light commercial or truck or 8 (or 10) ply. This is because they run a high loads compared to car tyres and generally higher pressures.
As long as you run the correct size and match or exceed the load and speed rating then you are OK.
There are many marketed segment types, motorhome tyres, van tyres, truck tyres but essentially they are all very similar and as a rule of thumb you get what you pay for. Expensive branded ones have excellent materials for the belts and the compound. They benefit of huge development budgets.
The cheap ones meet the relevant specification and are perfectly legal. The difference is usually noise, stopping distance, wear, and handling.
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Bearing in mind that replacing tyres usually come long before the tread wears out, tread wear longevity has less relevance.
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tyres marked CP have strengthened sidewalls in order to cope with the extremes of use posted upthread....
a) standing still for months...
b) batting round europe on a multi stop 3 month tour...
ill stick to Continental (OEM on this van) or Michelin as fitted to the previous van...intersting.y, both the same brand of MH...
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I've got Michelin commercials on my van and I run the pressures according to the weight table in my chassis hand book. They are now 6 year old, have done 40,000 miles and never had any problems. I also don't have a spare wheel!
I'll be considering replacing them in a years time.
peedee
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I know some will disagree with my comments but sometimes I fail to see others arguments for 'value for money' for certain things.
You pay £20k plus on a van, some people spend much more. To be safe you need the best windscreen wipers, windscreen wash, brakes and tyres at the very least. All of these items are peanuts compared to the investment of the van and maybe your life. Your tyres are the only contact on the road and are carrying a great weight in sometimes very difficult and challenging conditions wether that be heat, wet or ice and snow. Just get the right tyres for the job and have the best chance of enjoying your van with minimal risk.
Maybe it's from my motorcycle days but tyres are something I don't scrimp on.
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Totally agree with the above.
I would add however do make sure that the valves fitted to the tyres are fit for purpose. I run at 65 / 70 psi and have steel shank valves. Normal car valves that are designed to run up to 40 psi will not be suitable.
rgds.
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Result just had 4 new continental Vanco camper tyres fitted to the motorhome What a transformation it drives completely different and so much better on the road Anyone want to buy 4 chengshun 215/70/15 tyres ?
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Result just had 4 continental campervan tyres fitted What a change motorhome drives so much better And feels safer on the road Looking forward tomorrow next trip Anyone want to buy 4 chengshung 215/70/15 tyres ?
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We use Continental Camper Tyres we bought ours from Kwik Fit they came to the house to fit and the price was the best we could find so shop around for the best price .We joined Quidco and earned just over 7 pounds so all good,
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I purchased mine from national tyres best price at the time using the promotion code from the sun newspaper gave me an extra 5% of as well as the national tyres weekly discount on continental tyres
Excellent service as well
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