Tyre Raiting 215R15C ????

Submitted: Tuesday, Jan 22, 2008 at 10:47
ThreadID: 53775 Views:3682 Replies:9 FollowUps:12
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I understand the 215 is width in MM, the R denotes Radial construction, the 15 is the rim diameter in inches, but what does the C mean?

Help please.

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Reply By: Jim from Best Off Road - Tuesday, Jan 22, 2008 at 10:48

Tuesday, Jan 22, 2008 at 10:48
Raiting LOL, meant rating.

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Follow Up By: pop2jocem - Tuesday, Jan 22, 2008 at 21:50

Tuesday, Jan 22, 2008 at 21:50
just a thought, try ringing the makers and ask them

Cheers Pop
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Reply By: Member - Boo Boo (NT) - Tuesday, Jan 22, 2008 at 11:54

Tuesday, Jan 22, 2008 at 11:54
jim

I could be wrong but I think it has something to do with what speed it is rated for. I think wheel barrow tyres are L, for example.

Regards Bob
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Follow Up By: Member - 'Lucy' - Tuesday, Jan 22, 2008 at 21:32

Tuesday, Jan 22, 2008 at 21:32
Boo Boo Bob

You win the prize for being correct.
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Reply By: gbdid - Tuesday, Jan 22, 2008 at 12:17

Tuesday, Jan 22, 2008 at 12:17
It could also be a traction rating or a temperature rating. If it is a speed rating it would be very slow, I think that E is a speed rating of 70kph so C would be awfully slow.
AnswerID: 283094

Follow Up By: Member - Tessa (NSW) - Tuesday, Jan 22, 2008 at 12:55

Tuesday, Jan 22, 2008 at 12:55
Jim
http://www.toyo.com.au/tech_info17.html
just under the cross section diagrams is the link to a PDF file which lists all the speed ratings.

tessa
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Reply By: JustT - Tuesday, Jan 22, 2008 at 13:34

Tuesday, Jan 22, 2008 at 13:34
I think the "C" just indicates its a commercial tyre

-T
AnswerID: 283101

Follow Up By: Bonz (Vic) - Tuesday, Jan 22, 2008 at 18:39

Tuesday, Jan 22, 2008 at 18:39
I agree with u TommyT

C is for Commercial
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Follow Up By: Ted (Cairns) - Wednesday, Jan 23, 2008 at 17:25

Wednesday, Jan 23, 2008 at 17:25
Ditto. Vans and utes come standard with 185R14C, but you would not want them on a passenger car (harsh ride) - as a friend of mine once discovered :-)
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Reply By: Member - Phil G (SA) - Tuesday, Jan 22, 2008 at 13:53

Tuesday, Jan 22, 2008 at 13:53
Geeze, a few different replies here!!

I think you'll find its the "LOAD RANGE" of the tyre which refers to load and max inflation pressure.

B = equivalent to old 4 ply rating - 35 psi
C = equivalent of the old 6 ply rating - 50psi
D = equivalent of old 8 ply rating - 65 psi
E = equivalent of old 10 ply rating. - 80 psi

These days, the load index and max inflation pressure are quoted on most tyres and stuff like load range and ply ratings are left off.
Too many systems!!

Heres a reference
AnswerID: 283104

Follow Up By: Willem - Tuesday, Jan 22, 2008 at 15:46

Tuesday, Jan 22, 2008 at 15:46
Geez Phil you are a wealth of information :-)

What do you do in your spare time?.....Oh yes, I forgot, you work at a hospital...........


BTW Had two Sime tyres fitted to the Xtrail yesterday after two Westlakes started scalloping badly with only 22,000km on them. Got the tyres at cost. So it was a good deal....lol



Cheers

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Follow Up By: Member - Phil G (SA) - Wednesday, Jan 23, 2008 at 02:08

Wednesday, Jan 23, 2008 at 02:08
"What do you do in your spare time?.....Oh yes, I forgot, you work at a hospital..........."

hehehe......Yep its great - started work at 7.30am yesterday morning and just got home at 1.30am. I'm getting too old for these ridiculous hours. At least I can google and exploroz at times during the day.

Should do better out of the Simex - I'd be interested to know, My son's Xtrail will need tyres later in the year.

Cheers

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Follow Up By: Member - Mark E (VIC) - Wednesday, Jan 23, 2008 at 09:36

Wednesday, Jan 23, 2008 at 09:36
"...At least I can google and exploroz at times during the day...."

I hope you're not a surgeon or something.....prefer you to keep your mind on my insides when fiddling around with them if that's OK....... 8-0

Cheers,

Mark
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Reply By: Bonz (Vic) - Tuesday, Jan 22, 2008 at 18:34

Tuesday, Jan 22, 2008 at 18:34
C = Circular

Obvious really.
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Follow Up By: Member - 'Lucy' - Tuesday, Jan 22, 2008 at 21:33

Tuesday, Jan 22, 2008 at 21:33
You win the bleep prize.
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Follow Up By: Jim from Best Off Road - Tuesday, Jan 22, 2008 at 21:44

Tuesday, Jan 22, 2008 at 21:44
Bonz,

You are a dead set "C" and I don't mean Circular LOL.

Who let Ken out of the insttution?

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Follow Up By: Bonz (Vic) - Tuesday, Jan 22, 2008 at 21:46

Tuesday, Jan 22, 2008 at 21:46
I reckon its Commercial and Lucy is just poeeved cause I guessed C=Circular
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Follow Up By: Member - 'Lucy' - Tuesday, Jan 22, 2008 at 21:52

Tuesday, Jan 22, 2008 at 21:52
The sucker bleeped me. My first ever BLEEP.

I said the D i l d o word.

Yes! Jimbo, you are an astute reader of personalities and I am out on home leave in the care, custody and control of my mum, who said I can do what ever I like on the puter.


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Reply By: Member - 'Lucy' - Tuesday, Jan 22, 2008 at 21:54

Tuesday, Jan 22, 2008 at 21:54
Hey Whacker!

It is Speed rating and = 60kph

I'll put a few beers on it at the Hallam.

AnswerID: 283203

Reply By: Member - Charlie M (SA) - Tuesday, Jan 22, 2008 at 23:56

Tuesday, Jan 22, 2008 at 23:56
Stands for commercial as only on light Truck construction tyres.

C is also on some agricultural tyres and relates to speed
Cheers
Charlie
AnswerID: 283228

Reply By: Member - 'Lucy' - Wednesday, Jan 23, 2008 at 00:18

Wednesday, Jan 23, 2008 at 00:18
The main reason I desist from commenting on this forum is because I waste too much of my time when I wish to prove a point that could easily be done by anyone and everyone who can log onto a computer.

Have a look at the following two links re everything you wanted to know about tyres and were too lazy to research yourself.

Tyre bible


Tyre Info - scroll to Info Chart

I've been meaning to do this for some time to put to rest the 'hot air' that gets choofed out about tyres on this forum.

And while I am at it - I would respectfully suggest that if any would be tyre purchaser was to read the information in these links then they would resist the temptation to ask the forum what they should be fitting to their rigs.

Good morning all and have nice day , I think I may just go to bed.

AnswerID: 283231

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