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Wide Base Tires Fleet Experiences

Wide Base Tires Fleet Experiences. Background.

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Wide Base Tires Fleet Experiences

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  1. Wide Base TiresFleet Experiences

  2. Background The American Trucking Associations is the largest national trade association for the trucking industry. Through a federation of other trucking groups, industry-related conferences, and its 50 affiliated state trucking associations, ATA represents more than 37,000 members covering every type of motor carrier in the United States.

  3. NOT Super Singles

  4. Feedback “4,400 on various applications” “2,000 on dollies” “17 units” “All our tractors” “1500 dollies” “150 single axle trailers”

  5. Advantages • New trucks = instant savings • Air pressure maintenance • Easier to check one valve per wheel end • Drivers can visually see a low tire • Tread wear per 32ndsEquals or betters duals

  6. Advantages • Saves weight (800-1000 lbs) • Fuel savings 2-3% (up to 8%!) • @1 25,000 miles annually • Save 728 gal. per year. • Save $2200 @ $3.00/gal • Cooler brakes = longer brake life and better stopping. • Less tires to maintain

  7. Not a “Fits All” • Wear depends on application • May not work for everyone • Spread axle flat beds • Dual use city / highway • Scrubbing in city driving

  8. Not So Good • 25% to 35% reduction in miles to removal • Duals are 1 cent to 1.5 cents per mile costs with WBS you can see 4-5 cents per mile. • Retreading • Scrap is 30% to 40% due to sidewall damage • Retread failure higher • Retread failure = higher vehicle damage

  9. Non-Issues • Field availability • Not an issue for member fleets • Road service repair seen as same • Worst case – substitute duals • Inventory increase no longer an issue • Re-treading seen up to 2x

  10. Driver Feedback (+) • Improved Ride / Handling / Feel • Lower center of gravity for tankers • Better traction • First units out when snow flies

  11. Driver Feedback (+) • Dolly maneuvering force reduction • Reduced injuries

  12. Driver Feedback (-) • Drivers concerned with running retreads when they only have one tire on a wheel end • Some not convinced that rapid air loss is not a problem

  13. Myths • With a wide base tire, there’s nowhere for water to dissipate like there is between two duals. • Simply not true. On any tire, the water doesn’t dissipate around the shoulder; it comes out the back side of the tread. • When I have a tire failure with a wide base tire, I’m out of service on the side of the road. With duals, I can limp in since I still have one tire holding up the axle end. • We’ve all been running only one tire on each end of the steer axle forever. It’s never a good idea to try and “limp in” with a flat and expect one tire to do the job of two.

  14. Regulation • Meets inch-width requirements nationwide for dual axles • 17,500 lbs/axle 500lb/in-width • May not comply with single axles • Oregon - not allowed on triple trailers • Florida - not allowed on single axle tandem trailers, working to change • Idaho - updated regulations to allow • Western Canada - have to change to duals

  15. State Matrix

  16. White Paper • Summary of latest information • Advantages and Disadvantages • Fleet feedback • Talking points for Members and ATA Staff • Update semi annually

  17. Conclusions • Fuel (1%-8%) • Application dependent • Weight savings • Handling • More consistent air pressure • Snow performance • Not one size fits all • Higher costs • Treadlife • Regulations • Do the Math!

  18. Monitoring • ATA Engineering • Technical Advisory Group (TAG) • Technology and Maintenance Council (TMC) • Monitor and update

  19. Thank you!

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