The Michelin X One Line Grip D 445/50R22.5 is a SmartWay-verified low-rolling-resistance radial drive tire for line-haul and regional trucks, featuring 20-ply L construction, 161L load index (10,200 lbs max), L speed rating (75 mph), 27/32-inch tread depth, 40.4-inch diameter, and Matrix siping for 25% better snow traction.
Key Features & Benefits
Enhanced Winter Traction: The “Grip D” variant is designed for grip in severe conditions; according to Michelin, it delivers over 25% better snow traction than some competing tires.
Matrix Siping: Interlocking sipes with zigzag walls provide thousands of biting edges, boosting wet and winter grip.
Infini-Coil Construction: A continuous steel coil provides structural stability, helps resist casing growth, and supports long life / retreadability.
Dual-Layer Tread Compound: Helps with both durability and traction.
Open Shoulder Design: For better stone ejection and even wear.
All-Seasons / Severe Snow Rated: Carries 3PMSF marking, meaning it meets criteria for winter / snow performance.
Spec Chart — Michelin X One Line Grip D (445/50 R22.5)
Property | Specification |
|---|---|
Product / Model | Michelin X One Line Grip D — 445/50 R22.5 |
Load Range / Ply Rating | L (20-ply) |
Load Index | 161 (corresponds to ~ 4,625 kg / 10,200 lb) |
Speed Rating | L (75 mph / ~121 km/h) |
Overall Diameter | ~ 1,026 mm / 40.4 in |
Recommended Wheel (Rim Width) | 14.00 in |
Tread Depth | 27 / 32nds (~21.4 mm) |
Maximum Load (Single) | 4,625 kg / 10,200 lb |
Loaded Radius | 473.7 mm / 18.6 in |
Seat Diameter | 22.5″ |
Sidewall Type | Black Sidewall (BSW) |
Maximum Inflation Pressure | 120 psi (cold) |
Certification / Special Features | - 3-Peak Mountain Snowflake (3PMSF) for severe snow use |
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