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Archive for January 5th, 2009
Tire maintenance
Posted by James from Sidney, BC, CA on January 5, 2009
At what tread depth do you recomend taking off drive tires so they can still go for either Casing credit or retread? Also at what difference in tread depth should drive axles be before they should be rotated?
The industry standard for minimum tread depth for drive tires is 1/32 inch for any two, adjacent major grooves. I would suggest removing at something greater than 1/32 inch due to the potential loss of traction in winter condtions and the fact that the casing is more likely to have damage if the tread depth is low. I would remove drive tires at 3/32nds for these resons. I would rotate tires when the differences are 4/32nd's or more.