Michelin Demo

Truck Tire Service Manual

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In comparative sizes there will be no required change in gear ratios nor any required component changes. Consult your equipment manufacturer for details. Contact Michelin directly for any variation in specification. COMPARATIVE MICHELIN X ONE TIRE ® SIZES Dual Size WHEELS The MICHELIN X One tire requires the use of 22.5 x ® ® 14.00" wheels. Both steel and aluminum wheels are currently available in 0" and 2" outsets. The majority of the wheels currently offered have a 2" outset. Outset: The lateral distance from the wheel centerline to the mounting surface of the disc. Outset places the rim centerline outboard of the mounting (hub face) surface. Inset places the rim centerline inboard of the mounting (hub face) surface or over the axle. Thus a wheel with a 2" outset has the centerline of the rim base 2" outboard from the hub mounting surface. Some axle and hub manufacturers have recently clarified and confirmed their position concerning the use of such wheels with their respective components. While the position of the component manufacturers is not totally consistent, the majority’s view concerning the retrofit of duals with MICHELIN as follows: ® X One tires can be summarized ® 77.5" Track Width Axle Type* Drive axles Trailer axles Trailer axles Spindle Type Wheel Recommendation "R" "P" 2" outset wheels 2" outset wheels "N" Check with component manufacturer 101.5" * Many other axle and spindle combinations exist. Contact axle manufacturers. NOTE: Use of outset wheels may change Gross Axle Weight Rating (GAWR). Consult vehicle and component manufacturers. 2" Offset 80.5" Track Width 0" Offset ® MICHELIN X One Tire Size ® 11R22.5 or 275/80R24.5 455/55R22.5 275/80R22.5 445/50R22.5 71.5" is a standard axle track width found on bulk and liquid tankers. 77.5" is a standard axle track width for 102" wide trailers. 83.5" is the newer wider track axle intended for use with wide singles and 0" outset wheels for increased track width, stability, and payload. VEHICLE TRACK With a standard length axle and 2" outset wheels, the resulting variation in track width is an increase of approximately 1.5" per side (3" total) as compared to a dual tire configuration. End-users that have retrofitted vehicles with 2" outset wheels should contact their respective vehicle, axle, or component manufacturers for specific application approvals or maintenance recommendations. Measurements are rounded. ® Axle width is measured from spindle end to spindle end (the two widest points). Axle track is a center to center distance between the dual or center of single tire to center of single tire. AXLE TRACK WIDTH Three standard trailer axle track widths are available. They are 71.5", 77.5", and 83.5". A typical tandem drive axle track width is approximately 72". Check with the axle manufacturers for other sized options. 97.9" Note: Measurements are nominal values and could vary with manufacturer. Section Four: MICHELIN X One Tires 65 ® ®

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