Rim sizes

Submitted: Monday, Jul 19, 2004 at 20:36
ThreadID: 14810 Views:1478 Replies:6 FollowUps:3
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Does anyone know for sure if you can fit a 31x10.5 15 on a 7in rim. Someplaces are telling me you need a 7in others are saying 8in.

Anyone know for sure?

Utemad.
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Reply By: Member - Jiarna (SA) - Monday, Jul 19, 2004 at 20:40

Monday, Jul 19, 2004 at 20:40
They will fit. 31 x 10.5 x 15in require a rim width between 7.0 and 9.0 inches.

Cheers
John
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AnswerID: 68501

Follow Up By: Utemad - Monday, Jul 19, 2004 at 20:44

Monday, Jul 19, 2004 at 20:44
Thanks John

I always thought 7in was okay as friends have them but it just got me thinking........

Utemad
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FollowupID: 329088

Reply By: noel h - Monday, Jul 19, 2004 at 21:03

Monday, Jul 19, 2004 at 21:03
just went out and checked our two hiluxes and both have those size tyres
fitted to 15x7JJ rims.no probs.
AnswerID: 68509

Reply By: mr diamond - Monday, Jul 19, 2004 at 22:01

Monday, Jul 19, 2004 at 22:01
i have fitted 100032409879570545 31x10.5x15 on 7inch rim legal and safe.
AnswerID: 68528

Reply By: Dave from Fraser Coast 4WD Club - Tuesday, Jul 20, 2004 at 00:28

Tuesday, Jul 20, 2004 at 00:28
as others have said, no problems
AnswerID: 68546

Reply By: Hero - Tuesday, Jul 20, 2004 at 09:29

Tuesday, Jul 20, 2004 at 09:29
I have been looking into this recently myself, 31x10.5 R15 will fit on a 7" rim, it is the minimum size allowed, 8" is prefered, 9" is maximum.
If yours is a hilux SR5 though, keep in mind 31x10.5 R15 in most sizes does not have a suitable load rating, other hiluxes ok.
AnswerID: 68579

Follow Up By: Utemad - Tuesday, Jul 20, 2004 at 09:39

Tuesday, Jul 20, 2004 at 09:39
No problems (as far as I know). I have a 1997 Rodeo dual cab 2.6 litre.

Utemad
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FollowupID: 329133

Follow Up By: AndrewW - Tuesday, Jul 20, 2004 at 18:59

Tuesday, Jul 20, 2004 at 18:59
Hero,

I have a SR5 Hilux. I found that the placard says that the axle must be able to support x kgs, or, the tyre must have an equilavent load rating of the original tyres (112). Meaning the load rating of each tyre must be equilavent of half of x. In short this meant that the lowest load rating tyre that can be fitted is a 100. Most 30x9.5R15s are at least 104, so they are fine. There are charts on the web that so what each load rating index corresponds to in kgs. Sorry I don't have a link.

It was Jimbo WA from this forum that alerted me to this. It has also been mentioned by several other people on this forum and other forums.

I run 31x10.5 on my Hilux, on 7 inch rims.
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FollowupID: 329219

Reply By: Truckster (Vic) - Tuesday, Jul 20, 2004 at 09:55

Tuesday, Jul 20, 2004 at 09:55
If you try running it on an 8 inch rim it would always roll off the rim as soon as you let it down.

31x10.5's came on 7inch rims standard on GQ Wide Wheel Packs..

Check the tire maker websites, they will always have a "recommended rims size"...

YMMV
AnswerID: 68587

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