Identifying tyre age
Submitted: Saturday, Feb 09, 2008 at 22:23
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Member - Longtooth (SA)
Depending upon the site visited I am unable to determine with accuracy the age of tyres I have. The BFG A/T's on the vehicle at delivery in August 2000 have the date code '000504' which makes them about four years newer than the vehicle - they definitely are not! The BFG M/T's are stamped '139' and were bought in Feb 2000. That makes them 10-20 years old depending upon which site is used to identify the age. Anybody help without a lecture on how they are too old and should be disposed of and new tyres fitted thanks. The BFG site from the USA says they can be safely used to 10 years old despite other sites telling us that 5 to 6 years is the limit.
Longtooth
Reply By: Member - Derek L (QLD) - Saturday, Feb 09, 2008 at 22:57
Saturday, Feb 09, 2008 at 22:57
Longtooth if you have any doughts of the safety get new ones it not worth risking your travells or worst still you and your families lives.
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Reply By: splits - Saturday, Feb 09, 2008 at 23:49
Saturday, Feb 09, 2008 at 23:49
I am a great believer in asking the manufacturer. It does not matter if it is tyres or tooth paste, if I want to know something I will ring them. There should be a technical information number on the web site.
Brian
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Follow Up By: Member - Longtooth (SA) - Sunday, Feb 10, 2008 at 21:46
Sunday, Feb 10, 2008 at 21:46
Thanks Baldman,
That is one of the sites I looked at. However, it is only one of the several sites available and whilst some give the same info, the BFG site is different to the Collyn Rivers site which is different to others. Splits above suggested that there 'SHOULD be a technical information number' and I agree there should but there isn't. The info refers me back to dealers and again there are different answers - some tyres have different codes which do not compute. My trailer, caravan and sixth spare have codes which can be interpreted but the damn BFG tyres have codes which are difficult to interpret.
Longtooth
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Reply By: MrBitchi (QLD) - Monday, Feb 11, 2008 at 08:51
Monday, Feb 11, 2008 at 08:51
Bought in Feb 2000 means they're a minimum of 8 yrs old. No way they'd still be on my car...
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Reply By: RobAck - Monday, Feb 11, 2008 at 10:03
Monday, Feb 11, 2008 at 10:03
longtooth using my contacts in the industry the following may be useful
How do I tell the age of a tyre?
All tyres are produced with a serial Tyre Identification Number (or serial TIN) that shows the date of manufacture of a tyre Figure The last three digits (for tyres made pre 2000) or four digits (for post 2000 tyres) of the serial TIN indicate the week and year that the tyre was made. For example, Figure 1 below shows a tyre made in the 37th week of 1995 and Figure 2 shows a tyre made in the 12th week of 2004. Also a tyre made in the 1990’s can be distinguished from a tyre made in the 1980’s due to a triangular indentation after the last number which is not present on 1980’s tyres.
As I cannot instert photos the numbers in the photo's look like this.
NAA 375.
Serial code for 37th week of 1995
DFK 1204
Serial code for 12th week of 2004
Based on their understanding a number of vehicle manufacturers are now advising against the use of tyres that are more than six years old due to the effects of ageing.
I trust that helps
Regards
RobA
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