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Milestar

Milestar SL177‑S

Oversized tire
Rims not included with purchase of tires
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Milestar SL177‑S

Oversized tire

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Get technical:

Built for fleets seeking lasting cost-per-mile performance, the Milestar SL177-S is a SmartWay-verified commercial tire designed for regional and long-haul steer applications. It is engineered for semi-trucks, big rigs, and highway tractors that require dependable steer-axle capabilities. The tire's key strengths include optimized fuel savings, responsive handling, and a reinforced construction that supports a long service life and retreadability.



Features & Benefits

  • A five-rib tread pattern promotes smooth highway handling and enhanced steering stability on extended routes.
  • The integrated decoupling groove aids in overall vehicle stability while contributing to improved fuel efficiency.
  • Additional siping across the tread blocks enhances grip in both wet and dry weather conditions for reliable year-round performance.
  • Solid shoulders combat irregular treadwear over time to optimize the tire's usable tread life.
  • A reinforced casing protects against road hazards to support a long service life and high retreadability.

Vehicle
Mileage Warranty
N/A
Load Index
6173 lbs/5842 lbs (144/142)
Max Speed
75 MPH (L)
Sidewall
Blackwall
Tread Depth
18/32nds
Inflation Pressure
105 PSI
Part Number
21000028
Tire Weight
115.9 lbs
Section Width
11.1"
Rim Range
7.50-8.25"
Overall Diameter
41.3"
Three-Peak Mountain Snowflake (3PMS)
No
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Milestar

SL177-S ∙ 6 sizes available