Computer Help
 Contact
 Search
 
  
    

Jeep JK Lift Kits
Black Diamond JK Lift Kits
Black Diamond PR
Poly Performance JK Lifts
Teraflex Jeep JK Kits
Skyjacker JK Kits
Rancho Jeep JK Kits

Rubicon Express JK Kits

ATV World
ATV Clubs
ATV Tire FAQs
ATV Tire Mounting
Cool ATV Products
LiteFoot Track Sys
ATV Lift Installs
Quad Tire Reviews
ATV Laws By State
ATV Repair
ATV Manuals

Jeep Project CJ-7

An ongoing Budgeted Rebuild/Build up of a Rock
Crawling Machine.

Offroaders Guide to Gearing up for Offroad
From Basic Equipment to Well Equipped.  An extensive list guide to help you prepare your vehicle for the offroad.


Trailering Safety and Trailer Hitch Information


Off-Road Truck Driving Techniques and Safety

25 Top To Do Tips Before Going Offroad
 

Troubled
Computer?

Got Pop-ups
Spyware & Viruses?
Offroaders.com feels your pain. Let our Geeks help you...
RalphtheGeek.com

 


Rausch Creek
Off-Road Park

 

Jeep Central
From Jeep History to Tech Specs and Projects.  This section is all about Jeeps.
Jeep Technical Info
Engines
Transmissions
Transfercases
Axles
Engine Swaps

Installing 23,000 Volt Offroad Lights


Onboard Air
Converting a York
AC Compressor
to Pump Air

What are HID Lights?

Onboard Air
Converting a York
AC Compressor
to Pump Air

Warn 9500i Winch Installation

Warn X8000i
Winch Installation

 

HEI Ignition
Installation & Review

Lockers, Limited Slips &
other Differentials Explained

 

 

 

Wheeling in the Valley of the Ferns

1.jpg (70086 bytes)
Tellico North Carolina


Paragon Adventure Park
Rock Krawl

Thousands more photos here..»

 
 

 

 

 

Deciphering the Age of a Tire

So you're thinking of buying that used set of tires at the swap meet or maybe you're looking at a used vehicle with what appears to be a decent set of tires on them.  The thing is you're not sure of the age of those tires and whether those little cracks in the rubber sideway are from hard use or simply age.  Any number of reasons may prompt you to wonder about the age of a tire but how can you tell?  Well, its actually not that difficult to figure out when a tire was manufactured by reading its serial number also known as the "Tire Identification Code" off of the side of the tire and deciphering what these numbers and letters mean.

The Tire Identification Codes is found on the sidewall of a tire and is a batch code that identify which week and year the tire was produced and as a result what raw material was batched into that process.

Requirements set forth by the U.S. Department of Transportation (DOT) and the National Highway Traffic Safety Administration (NHTSA) states that the Tire Identification Code has to have a combination of eleven or twelve letters and numbers that identify the tire size, the location that the tire was manufactured, the manufacturer's code, and the week and year the tire was manufactured.

On tires manufactured today, the week and year in which the tire was manufactured is within in the last four digits of the serial number, with the 2 digits used to identify the week a tire was manufactured followed immediately by the 2 digits identifying the manufactured in year.

 

Examples of tires manufactured since 2000 with this Tire Identification Code format:
XXXXXXXX 0801  
XXXXXXXX 0800 08 - Manufactured during the 08th week of the year
XXXXXXXX 0601 01 - Manufactured during 2001

Another example:

XXXXXXXX 0806  
XXXXXXXX 0800 08 - Manufactured during the 08th week of the year
XXXXXXXX 0606 06 - Manufactured during 2006

The Tire Identification Code on a tire that was produced before 2000 was based on the idea that a tire would not be in service for more than a total of ten years.  However these days, that can be un-realistic especially with collector cars and recreational use vehicles.  Yet even under that idea manufacturers were required to provided this same information, with the week and year that the tires were manufactured within those last three digits.  In this case though 2 digits used to identify the particular week a tire was made immediately followed by a single digit that identified the year.

For example, if the Tire Identification Code on a tire reads:

XXXXXXXX 0580  
XXXXXXXX 0500 05 - Manufactured during the 05th week of the year
XXXXXXXX 0670 7 - Manufactured during the 7th year of the decade

With the earlier format  of the serial number, you could identify that a tire was manufactured in the 8th year of a decade, however there was way to tell which decade.  An exception to this is that a tire that was produced during the 1990s decade might have a small triangle after the Tire Identification Code.  However the Tire Identification Code format that has been in use since the year 2000 will accurately confirm the year of a tires manufactured on date.

Determining the age of a tire can be useful for Manufacturer Warranty Claims.  The key is to save your from tire purchase sales receipts.  In most cases the manufacturer's warranty will cover the tire for four years beyond the purchase date or five years from the date (week) that the tires were manufactured.  This means that if you had purchased a set of new tires that had a manufactured on date two years prior to the purchase date, that means the tires will be covered for six years total (four years beyond the purchase date) assuming you have the purchase receipt. 

Read Reviews & Post a Review   Tire Reviews
Read Tire Reviews and post your own review.

 

Jeep Project CJ-7

An ongoing Budgeted Rebuild/Build up of a Rock Crawling Machine.

All Terrain 
Mud Terrain
Tire Reviews & Info

All Terrain
AT Tire Reviews


Mud Terrain
MT Tire Reviews

 

 

Ramp Travel Index
RTI / Ramp Travel Index What it is and how to calculate it, with and without the ramp.

Offroad Tire Info
P-Metric Tire Sizes Conversion to Inches
Tire Terminology
Wheel Terminology
How to Pick the Right
Tires for your Truck
Truck Tire Info
Tires - What Hits What Fits
  
All Terrain  Mud Terrain
Tire Reviews & Info
Mud Terrain MT Tire Reviews
All Terrain AT Tire Reviews
Super Swamper Bogger
Super Swamper SSR
Super Swamper SX
Super Swamper Vortrac
Interco IROK TSL
Super Swamper LTB
Super Swamper TSL
Super Swamper TSL Radial
Super Swamper Narrow
Interco SS-M16 Swamper
Thornbird TSl Radial
Thornbird TSl Bias
Thornbird TSL
Parnelli Jone Dirt Grip
BFGoodrich Krawler
BFGoodrich MT T/A KM
BFGoodrich MT T/A KM2
BFGoodrich AT TA KO
BFGoodrich Mud King XT
Bridgestone Dueler MT
Cooper Discoverer ST
Cooper Discoverer STT
Cooper Discoverer ST/C
Federal Couragia MT
Firestone Destination AT
Firestone Destination MT
General Grabber MT
General Grabber AT2
Green Diamond Icelander
Ground Hawg Mud Tire
Hankook Dynapro MT
Hankook Dynamic MT RT01
Hercules Terra Trac MT
Hercules Trail Digger MT
Kelly-Springfield Safari DTR
Kelly-Springfield Safari MSR
Kumho Road Venture MT
Kumho Road Venture KL71
Kumho Road Venture AT
Dick Cepek Mud Country
Dick Cepek F-C II
Dick Cepek Fun Country II
Dick Cepek Fun Country Nylon
Dick Cepek Fun Country Kevlar
Mastercraft Courser MT
Mastercraft Courser HTR
Mastercraft Courser HTR Plus
Maxxis BigHorn Radial
Maxxis Creepy Crawler
Maxxis Trepador
Maxxis Buckshot Mudder
Maxxis MA-SW
Maxxis M-8080 Mudzilla
Maxxis MT-754 Buckshot
Maxxis MT-753 Bravo
Maxxis MA-751 Bravo
Maxxis MA-S2 Marauder II
Maxxis MA-S1 Marauder
Maxxis MT-762 BigHorn
Nitto Mud Grappler
Nitto Terra Grappler
Nitto Dura Grappler
Nitto Dune Grappler
Nokian Vatiiva MT
Pit Bull Rocker Extreme
Pit Bull Maddog
Pit Bull Growler
Goodyear Wrangler MT/R
Pro Comp Xterrain
Pro Comp All Terrain
Pro Comp Mud Terrain
Pro Comp Xtreme AT
Pro Comp Xtreme MT
Toyo Open Country MT
TrXus Mud Terrain
TrXus STS All Terrain
Michelin LTX A/T²
Michelin LTX AT2 Press
Michelin LTX AT2
Mickey Thompson MTZ
Mickey Thompson MTX
Mickey Thompson Baja Claw Radial
Mickey Thompson Baja Claw Bias
Mickey Thompson Baja Crusher
Mickey Thompson Baja ATZ Radial SLT
Competition Claw
Dunlop Mud Rover
Federal Couragia M/T
Nitto Dura Grappler
Yokohama Geolandar
  
Dick Cepek's 2008 F-250 Super Duty Project Vehicle – Project CRUSHER
 
Mud Tire Reviews
Product Reviews
Tire Reviews
 
  
 
ATV Tire Index
Carlisle 489 Titan
Dunlop Quadmax
Dunlop Quadmax Sport
Quadmax Sport Development
Highlifter Outlaw
ITP Holeshot
ITP Holeshot MX
ITP Holeshot ATR
ITP Holeshot XC
ITP Holeshot XCR
ITP Holeshot MXR
ITP Holeshot XCT
ITP Mud Lite
ITP Mud Lite XTR
ITP Sandstar
Kenda K538 Executioner
Tubeless Bearclaw K299
Kenda Klaw K532
Kenda Klaw K533
Kenda K534 Sand Gecko
Maxxis M961/M962 Mud Bug
Maxxis Rooster Paddle Tire
Maxxis M917/M918 Bighorn
Maxxis M966 Mudzilla
Super Swamper TSL ATV
Super Swamper TSL Vampire
Super Swamper Vampire EDL
Swamp Lite ATV Tires
 
ATV Tire FAQs
ATV Tire Mounting
ATV / Quad Links
 
Quad Tire Reviews Index

 


Off-Road Lights
by LightForce Product Review / Installation.
from Off-Road Lights

 


Jeep Dana 300 TeraLow - 4:1 Gearset for the Dana 300 Transfer Case

Jeep Trans Swap
T-18A Transmission Rebuild & Short Shaft Conversion
  


Black Diamond Suspension Lift install for CJ-7

 

From the
Department of Cheap   Tricks and Useful Tips

  
Ultra-Cool Hand Throttle for Free!

Jeep V8 Swap Tips

The Exploding Clutch

Radiator Protection using 6 bucks worth of material

Cracked Under Pressure - Fixing a smashed fingernail

A Cheap, effective alternative to undercoating

Home-built Saginaw Gearbox Brace for the cost of lunch!

Ammo Box Storage - Mounting Them for Quick Disconnect

Home-built Serious Skid-Plate protection for the Oil Pan for under 20 bucks!