2025 Freightliner M2 106 Tire Size & Pressure Guide
AI-generated reference. Always verify torque values, fluid capacities, intervals, and procedures against the manufacturer's service manual or OEM repair information before performing work. Repairius is not liable for damage from acting on this content without verification.
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Quick answer
- OEM Tire Size: 11R22.5 is the most common, but options can range from 275/80R22.5 to 295/75R22.5.
- Recommended Cold Tire Pressure (Door Placard): 110 psi (front), 95 psi (rear) — this can vary based on load and tire manufacturer.
- Bolt Pattern: 10x285.75 mm (10x11.25 in)
- Wheel Size: 22.5" x 8.25" is standard.
- Load Index/Speed Rating: Varies by tire, but a common example is Load Range G or H.
- Spare Tire Size: Typically a full-size spare, matching the OEM tires.
- TPMS Frequency: 433 MHz
Tire sizes by trim
| Trim/Configuration | Standard Tire Size | Optional Tire Sizes |
|---|---|---|
| Day Cab | 11R22.5 | 275/80R22.5, 295/75R22.5 |
| Extended Cab | 11R22.5 | 275/80R22.5, 295/75R22.5 |
| Crew Cab | 11R22.5 | 275/80R22.5, 295/75R22.5 |
Recommended replacement tires
- $$$: Michelin X Multi D&A - A premium, all-position tire known for its long tread life and fuel efficiency.
- $$: Bridgestone R268 Ecopia - A durable steer/all-position tire with excellent wear resistance.
- $: Goodyear Endurance RSA - A reliable and cost-effective option for regional and urban applications.
When to inflate to max load psi
On a medium-duty truck like the M2 106, inflating tires to the maximum pressure listed on the tire's sidewall is reserved for situations where the vehicle is loaded to its maximum gross vehicle weight rating (GVWR). For normal, unloaded, or lightly loaded conditions, sticking to the pressures on the door placard is ideal for ride comfort and even tread wear.
Lug nut torque & pattern
- Torque: 450–500 lb-ft (610–678 Nm)
- Pattern: Crisscross pattern (1, 6, 2, 7, 3, 8, 4, 9, 5, 10)
Common tire issues for this vehicle
- Rivering/Cupping: This can be caused by improper alignment, worn suspension components, or mismatched tire pressures.
- Shoulder Wear: Often a sign of underinflation or aggressive cornering.
- Center Wear: Typically caused by overinflation.
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More specs for the 2025 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
2025 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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