2015 Ford F-350 tire and wheel sizes, bolt pattern and tire pressure

Bolt patterns 8x170 or 8x200, depending on the market version.

Tires for the 2015 Ford F-350

Sizes most trims come with first. Open your trim below for its exact size.

  1. 245/75R17 Best-rated standard on 6 trims
  2. 265/70R17 Best-rated optional on 4 trims
  3. 275/65R18 Best-rated optional on 2 trims

Also listed: 275/70R18 275/65R20

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Trims sold in 2015
6
Generation
III (P473)

6 trims sold in 2015

Open a trim for its tire and rim sizes, bolt pattern and tire pressure. Trims with the same tires and wheels share a row.

Ford F-350 III (P473)

2011–2016 6 trims
F-350 6.2 4x2 SRW 385 hp · 6.2L V8 245/75R17 121S 3 fitments
Generation
P473 Super Duty · 2011–2016
Power
385 hp
Engine
6.2L V8, Petrol
Center bore
124.9 mm
Bolt pattern
8x170
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
245/75R17 121SRim 17x7.5 ET40 8x17080 psi
275/65R18 123SRim 18x8 ET40 8x17080 psi
265/70R17 121RRim 17x7.5 ET40 8x17080 psi

How to read 121S: 121 is the load index (up to 3,197 lb / 1,450 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET40 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

F-350 6.2 4x4 SRW 385 hp · 6.2L V8 245/75R17 121S 4 fitments
Generation
P473 Super Duty · 2011–2016
Power
385 hp
Engine
6.2L V8, Petrol
Center bore
124.9 mm
Bolt pattern
8x170
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
245/75R17 121SRim 17x7.5 ET40 8x17080 psi
275/70R18 125RRim 18x8 ET40 8x17080 psi
275/65R20 126RRim 20x8 ET40 8x17080 psi
265/70R17 121RRim 17x7.5 ET40 8x17080 psi

How to read 121S: 121 is the load index (up to 3,197 lb / 1,450 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET40 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

F-350 6.2 DRW +1 variant 385 hp · 6.2L V8 245/75R17 118S 1 fitment

Same tires and wheels on: 6.7D DRW

Generation
P473 Super Duty · 2011–2016
Power
385 hp
Engine
6.2L V8, Petrol
Center bore
142 mm
Bolt pattern
8x200
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
245/75R17 118SRim 17x6.5 ET142 8x20080 psi

How to read 118S: 118 is the load index (up to 2,910 lb / 1,320 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET142 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

F-350 6.7D 4x2 SRW 440 hp · 6.7L V8 · Diesel 245/75R17 121S 3 fitments
Generation
P473 Super Duty · 2011–2016
Power
440 hp
Engine
6.7L V8, Diesel
Center bore
124.9 mm
Bolt pattern
8x170
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
245/75R17 121SRim 17x7.5 ET40 8x17080 psi
275/65R18 123SRim 18x8 ET40 8x17080 psi
265/70R17Rim 17x7.5 ET40 8x17080 psi

How to read 121S: 121 is the load index (up to 3,197 lb / 1,450 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET40 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

F-350 6.7D 4x4 SRW 440 hp · 6.7L V8 · Diesel 245/75R17 121S 4 fitments
Generation
P473 Super Duty · 2011–2016
Power
440 hp
Engine
6.7L V8, Diesel
Center bore
124.9 mm
Bolt pattern
8x170
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
245/75R17 121SRim 17x7.5 ET40 8x17080 psi
275/70R18Rim 18x8 ET40 8x17080 psi
275/65R20Rim 20x8 ET40 8x17080 psi
265/70R17Rim 17x7.5 ET40 8x17080 psi

How to read 121S: 121 is the load index (up to 3,197 lb / 1,450 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET40 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

What these columns mean
Rim size
Rim diameter × width in inches, and the factory offset (ET) in millimetres, e.g. 18x7.5 ET25.
Bolt pattern (PCD)
Number of studs and the diameter of the circle they sit on. It must match exactly.
Center bore
Diameter of the hub hole. Larger aftermarket bores need hub-centric rings.
Pressure
Recommended cold inflation pressure for that axle, in psi.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.
Trims sold in 2015
6
Generation
III (P473)
Other years
All years (1967–2026)

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