2020 Ford F-350 Super Duty XL 4x4 — LT245/75R17
2020 Ford F-350 Super Duty XL 4x4
- Factory size
- LT245/75R17
- Load / speed
- 121/118R
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What size tires does the 2020 Ford F-350 Super Duty XL 4x4 take?
The factory tire size for the 2020 Ford F-350 Super Duty XL 4x4 is LT245/75R17.
The catalog lists it at load index 121/118, speed rating R (up to 106 mph).
This trim is also listed with LT275/70R18, LT275/65R18. Check which one your vehicle has.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | LT245/75R17 | 121/118 | R |
| All wheels | LT275/70R18 | 125/122 | R |
| All wheels | LT275/65R18 | 123/120 | S |
Confirm the size printed on the sidewall of your current tire or on the tire placard in the driver's door jamb before you buy. Replacement tires should meet or exceed the vehicle's load index and speed rating.