2022 Ford F-350 Super Duty — Tire Size & Pressure

Whether you use your 2022 Ford F-350 Super Duty for towing a massive fifth-wheel RV, hauling equipment to the job site, or daily driving, maintaining the correct tire specifications is critical for safety and performance. Below is a comprehensive guide to the OEM tire sizes, pressures, and wheel specs for the 2022 F-350, written by an ASE-certified master technician.

Quick Answer

Here are the essential tire and wheel specifications for the 2022 Ford F-350 Super Duty:

• OEM Tire Size: LT275/65R18 (SRW standard), LT245/75R17 (DRW standard), LT275/70R18, or LT275/65R20 depending on trim.
• Recommended Cold Tire Pressure: 60 PSI Front / 65-80 PSI Rear (SRW); 65-75 PSI Front / 65 PSI Rear (DRW). Always check your driver’s door jamb placard for exact numbers based on your specific build.
• Bolt Pattern: 8x170mm (Single Rear Wheel - SRW) / 8x200mm (Dual Rear Wheel - DRW).
• Wheel Size: 17x6.5 (DRW), 18x8.0 (SRW), or 20x8.0 (SRW).
• Load Index/Speed Rating: Load Range E (10-ply rating). Load index typically 125/122 (SRW) or 121/118 (DRW), Speed Rating R or S.
• Spare Tire Size: Matches the factory-installed OEM tire size.
• TPMS Frequency: 315 MHz (standard) or 433 MHz depending on trailer TPMS integration.

Tire Sizes by Trim

The 2022 Ford F-350 is available in multiple trims with varying wheel options, further divided into Single Rear Wheel (SRW) and Dual Rear Wheel (DRW) configurations.

Recommended Replacement Tires

When outfitting a Heavy Duty truck like the F-350, you must select tires with a Load Range E (10-ply) rating to handle the vehicle's massive payload and towing capacities. Here are some of the most reliable options:

• Premium Tier: Michelin Defender LTX M/S – Unbeatable highway ride quality, exceptional tread life, and great wet traction.
• Premium All-Terrain: BFGoodrich All-Terrain T/A KO2 – Excellent off-road capability with durable sidewalls, perfect for job sites or the Tremor package.
• Mid-Range Tier: Falken Wildpeak A/T3W – Fantastic value, providing severe snow rating (3PMSF) and great towing stability.
• Budget Tier: Cooper Discoverer AT3 LT – A solid, reliable all-terrain tire that balances price with heavy-duty performance.

When to Inflate to Max Load PSI

Because the F-350 is a heavy-duty truck, tire pressure management is a bit different than on a standard passenger car. The rear tires on an F-350 SRW often state a maximum cold inflation pressure of 80 PSI on the sidewall (for Load Range E).

• Daily Driving (Unloaded): You can safely run the rear tires at the lower end of the door placard recommendation (often 60-65 PSI) to prevent a harsh, jarring ride and premature center-tread wear.
• Towing/Hauling (Max Load): If you are hooking up a heavy gooseneck trailer, fifth-wheel, or loading the bed to near max payload capacity, you must inflate the rear tires to 80 PSI. This provides the necessary sidewall stiffness to carry the weight safely, reduces heat buildup, and prevents catastrophic tire blowouts.

Lug Nut Torque & Pattern

Getting the lug nuts torqued correctly is crucial on a 1-ton truck.

• Lug Nut Torque: 165 lb-ft (224 Nm) for both SRW and DRW models.
• Bolt Pattern: 8x170mm for SRW; 8x200mm for DRW.
• Socket Size: 21mm.

Pro Tip: Always use a calibrated torque wrench and torque in a crisscross/star pattern. Re-torque the lug nuts after the first 50 to 100 miles of driving following a wheel removal.

Common Tire Issues for this Vehicle

1. Cupping and Uneven Wear: Due to the heavy solid front axle on 4x4 models, the F-350 is notorious for tire cupping on the front tires if they aren't rotated frequently. Rotate your tires every 5,000 miles.
2. Death Wobble: Worn front track bar bushings, ball joints, or steering stabilizers combined with unbalanced or out-of-round heavy-duty tires can trigger the dreaded Ford "death wobble." Proper tire balancing (road-force balancing recommended) is essential.
3. Inner Dual Tire Wear (DRW): On dually models, the inner rear tire is often neglected when checking air pressure. If the inner tire is underinflated, the outer tire carries too much load, leading to rapid wear or dual-tire blowouts. Use a dual-chuck tire pressure gauge to check them regularly.

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