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General UniversityTire TalkLow Profile vs Conventional Tire Size Benefits
Low Profile vs Conventional Tire Size Benefits

The industry trend for tire sizing has been towards low profile sizes. Figure 1 illustrates typical dimensional differences of low profile tires vs standard section tires.

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low profile, tire talk, general, university, size, benefits, truck, tire, tires, conventional Tire Size Benefits


Load Carrying Capacity

The chart below shows the comparison between typical standard section and low profile tire sizes

275/80R22.5 G275/80R22.5 H
Tire Size/LR11R22.5G295/7522.5 G11R22.5 H295/75R22.5 H11R24.5 G285/75R24.5 G11R24.5 G285/75R24.5 H
Single lbs/psi6175 @ 1056175 @ 1106610 @ 120 6940 @ 1206610 @ 1056175 @ 1107160 @ 1206780 @ 120
Dual lbs/psi5840 @ 1056175 @ 1055675 @ 1056005 @ 1206005 @ 1055675 @ 1106610 @ 1206175 @ 120

Benefits

Weight Reduction

  • Average tire weight is 4 lbs. less per tire for 22.5" low profiles.
  • Average tire weight is 7 lbs. less per tire for 24.5" low profiles.
  • Lower excise tax.

Fuel Economy

  • Tire rolling resistance is reduced by approximately 5% with low profile sizes resulting in 1-2% gain in fuel economy.

low profile, tire talk, general, university, size, benefits, truck, tire, tires, conventional Tire Size Benefits

As shown below, when load carrying capacity is sufficient, converting to low profile tires offers several benefits, and results in a  lower operating cost for the end user. Note, drivetrain/gearing must be taken into account when converting to low profile tires. This involves the engine RPM, transmission, drive axle gear ratio,and tire RPM.

low profile, tire talk, general, university, size, benefits, truck, tire, tires, conventional Tire Size Benefits

low profile, tire talk, general, university, size, benefits, truck, tire, tires, conventional Tire Size Benefits



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