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Tyres on 4WD

Submitted: Friday, Dec 29, 2000 at 00:00

Dave Bailey

Does anyone out there know the legalities of the speed ratings for tyre on new 4WDs, I have a Nissan Patrol 2000 model and I would like to change the standard tyres for a set of Bridgestone Deset Duellers. A few people have told me that this would be illegal and my insurance would be void because they have a lesser speed rating than the standard tyres. Can anyone shed some light on this.
Thanx.
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AnswerID: 109   Submitted: Tuesday, Jan 02, 2001 at 00:00

Steve McLeod replied:

This I know about! I have a 1993 GQ Patrol 4.2l EFI, the Tyre Placard in my glovebox stipulates that I must have an Srated tyre=180kph, which I assume you have as well. After searching through numerous catalogues, talking to tyre Retailers and Nissan, the Bridgestone Desert Dueller is one the very few brands that make an S rated tyre. If you put an R rated tyre=170kph you can get away with it legally if you place an RTA sticker on your windscreen saying you have a less than recommended speed rating tyre. Desert Dueller have just released an S rated Mud Terrain as well. So the answer to your question is Yes you can put Desert Duellers on your Patrol as long as the Tyre Placard stipulates an S rating or less. I run Desert Duellers on my vehicle because they are legal.
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AnswerID: 117   Submitted: Thursday, Jan 04, 2001 at 00:00

Steve McLeod replied:

An error in my reply, it should read an S rated or MORE not less.
Reply 2 of 3
AnswerID: 282   Submitted: Sunday, Mar 18, 2001 at 00:00

Peter Gordon replied:

Dave, I too ran into this problem with my Prado. I contacted my insurance company (RAC Tasmania) and their response was that providing the weight carrying capacity was not reduced then the speed rating was not important provided (again) that the tyres were rated for above legal speeds. I fitted a set with an N rating, (140 kph, Goodyear Wranglers AT/S) and have had no problems in 6,000 kilometres. Hope this helps.
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