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Archive for January, 2005
Rotating Drive Axle Tires in a High Scrub Application
Posted by Tim on January 28, 2005
I have managed/operated a fleet of garbage trucks (60,000 # gvw)for over 20 years. As a rule we bought a new set of fronts twice a year and one new set of rears once a year because of what we called normal tread wear. My new tire man insists on rotating the rear tires when he sees the edges feathering (this includes breaking down each tire and remounting). My tire expenses have gone up,however, I am not purchasing any fewer tires each year. Is rotating rear tires on a sanitation truck necessary if the tires are replaced about every 12,000 miles?
I think you answered your own question. The slower the rate of wear (like a line haul opperation) the greater the advantage to rotating drive axle tires to even out wear and reduce irregular wear.
Question 39
Posted by Neil on January 18, 2005
Larry, I am designing tank tracks (vehicles for Iraq) made of rubber like truck tires. Need to know an estimate of tire miles to failure for an 18 wheeler carrying load of 24 tons continuously (no dead-heading)on a smooth summer surface. We were thinking 16000 miles?? Would appreciate your estimate.
Stay tuned! Sending this question off to our engineers. Please forward me your contact information!
Question 38
Posted by jim on January 18, 2005
i am trying to find a truck tire with the tread pattern of the old g167 but my size is 245-70-19.5 the 124 seems a bit aggresive i have them on my wrecker but my flatbed does a lot of highway miles i had a tractor before with the 167’s on it any suggestions
What you are looking for is an open shoulder line haul design in a regional application and tire size. Most regional tires of this type feature the open shoulder aggressive tread pattern similar to the G124. I don't have any good recommendations for you.
Question 40
Posted by Ken on January 16, 2005
Looking for the date of Mfg on my G159 series all steel tires.
Thought is was after DOT
I don’t see this place on my tires.
I am using G159 series all steel tires on my 1997 Dodge 2500 truck, and the same tire on my 35ft FIFTH WHEEL TRAILER.
Tires are wearing well, but because of heat here in AZ, was told tires are only safe for 7 years, regardless of miles.
Purchased all tires,(8), in 2000.
How soon should I replace the tires.?
Really like the tires, but the ride ias hard, as I carry 80# all the time.
Any suggestions?
Thank You
Ken
First Question:
The last-4 digits of the DOT number itself indicate the date of manufacture.
Second Question: How soon should I replace my tires?
Tires are exposed to many environmental factors such as heat, ozone, mechanical stress etc... it is recommended to replace tires with prolonged exposure to the factors regardless of tread wear. Your tires have only been in service 5 years, I would expect a few more good years of service.