2022 Freightliner M2 106 Tire Size & Pressure Guide

The 2022 Freightliner M2 106 is one of the most versatile medium-duty trucks on the road today. Because it can be upfitted for almost any application—from box trucks and flatbeds to utility trucks and tow rigs—the tire specifications can vary greatly based on its Gross Vehicle Weight Rating (GVWR) and axle configuration.

As an ASE-certified master technician with years of fleet maintenance experience, I've serviced countless M2s. Below is a comprehensive guide to understanding your Freightliner's tire and wheel specs so you can keep your rig safe and legally compliant.

Quick answer

• OEM tire size: Typically 11R22.5 or 295/75R22.5 (Varies heavily by upfit and axle rating)
• Recommended cold tire pressure: 100–110 PSI front/rear (Always verify with the door jamb placard or upfitter tag)
• Bolt pattern: 10x285.75mm (10-lug, hub-piloted)
• Wheel size: 22.5" x 8.25" (Standard); 19.5" x 7.5" (Low-profile applications)
• Load index/speed rating: 144/142L to 146/143L (Load Range G or H typical for standard sizes)
• Spare tire size: Full-size matching (if equipped; many fleet M2s omit spares to save weight)
• TPMS frequency: 433 MHz (If equipped with optional factory or aftermarket systems like Bendix SmarTire)

Tire sizes by trim & application

Because the Freightliner M2 106 is a cab-and-chassis model, its "trim" is dictated by its application and axle specs. Here are the most common configurations:

Recommended replacement tires

When replacing tires on a medium-duty commercial truck, steer and drive axles usually require different tread patterns for optimal performance.

• Michelin XZE (Premium): An industry standard for steer axles and all-position use. Exceptional tread life, scrub resistance, and casing durability for retreading.
• Bridgestone R213 Ecopia (Premium): Excellent fuel-efficient steer/all-position tire with a smart tread design that minimizes irregular wear.
• Goodyear Endurance RSA (Mid-Tier to Premium): A highly versatile all-position tire great for regional and urban routes, featuring a scrub-resistant compound.
• Yokohama 104ZR (Mid-Tier): A dependable and cost-effective commercial tire with excellent wet traction and stone ejectors.

When to inflate to max load psi

Because the Freightliner M2 106 is a commercial heavy-duty work truck, tire pressure is directly linked to your payload and Gross Axle Weight Rating (GAWR).

You should inflate your tires to the maximum cold pressure listed on the tire's sidewall (often 110 to 120 PSI for Load Range H) only when your truck is operating at or near its maximum payload capacity. When hauling maximum loads, under-inflated tires will flex excessively, building up catastrophic heat that leads to blowouts. For unladen or lightly loaded trucks, dropping the pressure closer to the minimum safe specification on the door placard (usually around 90-100 PSI depending on the specific tire's load/inflation table) will improve ride quality and prevent the center tread from wearing out prematurely. Always consult a commercial tire load/inflation table for your exact weight.

Lug nut torque & pattern

Almost all 2022 Freightliner M2 106 models use a 10-lug, hub-piloted wheel system with a 285.75mm bolt circle and M22 x 1.5 studs.

• Lug Nut Torque Spec: 450 – 500 lb-ft.
• Procedure: Always tighten lug nuts in a star (crisscross) pattern using a calibrated 1-inch drive torque wrench or a torque multiplier.
• Crucial Note: Wheels must be re-torqued after the first 50 to 100 miles of driving following wheel removal. Failure to do so on hub-piloted commercial wheels frequently results in wheel-off incidents.

Common tire issues for this vehicle

• Steer Axle Cupping: The M2 106 is prone to outer edge cupping or "river wear" on the steer tires if the front-end alignment (especially toe and caster) is slightly off, or if shocks are worn.
• Scrubbing Wear: For trucks used in urban delivery environments, tight turning combined with tandem rear axles (if equipped) can cause rapid tread scrubbing on the drive tires.
• Overloading and Heat: Fleet drivers commonly fail to check tire pressures daily. Even a 10% drop in PSI on a loaded M2 can drastically increase tire temperatures and lead to casing failure.

Need new tires? Find a trusted shop on Repairius.