2015 Freightliner M2 106 — Tire Size & Pressure
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Quick Answer
- OEM Tire Size: 11R22.5 (common), 295/75R22.5
- Recommended Cold Tire Pressure (Door Placard): Varies significantly by specific configuration, axle weight, and tire type. Always refer to the tire placard on the driver's side door jamb for your specific vehicle. Front tires typically range from 100-110 psi, and rear tires can be 85-100 psi (for duals) or higher for super singles.
- Bolt Pattern: 10x285.75mm (common for heavy-duty trucks)
- Wheel Size: 22.5 x 8.25 inches (common)
- Load Index/Speed Rating: Varies greatly depending on tire size and application. Common load ranges are G (14 ply equivalent) or H (16 ply equivalent) and speed ratings are typically L (75 mph) or M (81 mph).
- Spare Tire Size: Often not equipped with a spare, but if so, it would match one of the OEM drive or steer tire sizes.
- TPMS Frequency: Heavy-duty trucks like the M2 106 typically do not use standard consumer-grade TPMS. Commercial systems vary greatly, if installed.
Tire Sizes by Trim
The Freightliner M2 106 is a highly customizable vocational truck, not a passenger vehicle with distinct "trims" in the traditional sense. Tire sizes are almost entirely dependent on the gross vehicle weight rating (GVWR), gross axle weight ratings (GAWRs), engine, transmission, and the specific application (e.g., box truck, dump truck, flatbed, refuse).
Common OEM tire sizes for the 2015 Freightliner M2 106 include:
| Axle/Position | Tire Size | Notes |
|---|---|---|
| Steer | 11R22.5 | Standard for many configurations |
| Steer | 295/75R22.5 | Often used for improved ride or specific applications |
| Drive (Dual) | 11R22.5 | Standard for many configurations, used in sets of 4 |
| Drive (Dual) | 295/75R22.5 | Often used for improved traction or specific applications |
| Drive (Super Single) | 445/50R22.5 | Less common, for specific weight savings/fuel efficiency |
Recommended Replacement Tires
When replacing tires on a 2015 Freightliner M2 106, it
More specs for the 2015 Freightliner M2 106
Oil Capacity & Filter
Capacity, weight, filter PN, drain plug torque, change interval.
Fluid Type Specs
Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.
Coolant Capacity & Type
Total system capacity, OEM coolant spec, flush interval, bleed tips.
Transmission Fluid & Service
Trans model, fluid spec, capacity, filter PN, service interval.
Torque Specifications
Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.
Brake Pad & Rotor Specs
Pad PNs, rotor size, min thickness, caliper torque.
Battery Size & Group
Group size, CCA, AGM/flooded, dimensions, reset note.
A/C Refrigerant & Oil
R-134a or R-1234yf, charge oz, PAG oil spec.
Bulb Sizes (Headlight, Tail, Fog)
Headlight, fog, tail, turn, reverse, interior.
Factory Maintenance Schedule
Service intervals by mileage, severe-duty notes, known issues.
Towing Capacity & Payload
Max tow, payload, GVWR/GCWR, hitch class by trim.
Fuse Box Diagram & Amperage
Fuse box locations, layout, amps, and what each fuse controls.
Serpentine Belt Routing & Length
Belt routing, length, rib count, OEM + aftermarket PNs.
Wheel Alignment Specifications
Camber, caster, toe ranges (front & rear), adjustability notes.
Paint Color Codes
All factory colors with paint codes, sticker location, touch-up tips.
Wiper Blade Sizes
Driver/passenger/rear blade size, attachment, OEM + cross-refs.
Spark Plug Type & Gap
Plug PN, gap, torque, interval by engine.
Transmission & Axle Gear Ratios
Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.
Key Fob Programming
DIY programming steps, FCC ID, fob PN, battery, transponder.
Same spec — other model years
Maintenance & repair guides
2015 Freightliner M2 106 Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
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