2026 Ford F-250 Super Duty Tire Sizes
Factory original equipment (OE) tire specifications.
King Ranch
Tire Size
LT275/65R20/E
Load Index
126
Speed Rating
R
King Ranch w/Tremor Off-Road Pkg.
Tire Size
LT285/75R18/E
Load Index
129
Speed Rating
Q
Lariat 4x2
Tire Size
LT275/65R18/E
Load Index
123
Speed Rating
S
Lariat 4x4
Tire Size
LT275/70R18/E
Load Index
125
Speed Rating
R
Lariat 4x4
Tire Size
LT275/65R18/E
Load Index
123
Speed Rating
S
Lariat w/Chrome/Black Pkg.
Tire Size
LT275/65R20/E
Load Index
126
Speed Rating
R
Lariat w/Tremor Off-Road Pkg.
Tire Size
LT285/75R18/E
Load Index
129
Speed Rating
Q
Platinum
Tire Size
LT275/65R20/E
Load Index
126
Speed Rating
R
Platinum w/Tremor Off-Road Pkg.
Tire Size
LT285/75R18/E
Load Index
129
Speed Rating
Q
XL 4x2
Tire Size
LT245/75R17/E
Load Index
121
Speed Rating
R
XL 4x4
Tire Size
LT245/75R17/E
Load Index
121
Speed Rating
R
XL Reg. Cab w/STX Appearance Pkg.
Tire Size
LT275/70R18/E
Load Index
125
Speed Rating
R
XL w/Off-Road Pkg.
Tire Size
LT285/70R17/E
Load Index
121
Speed Rating
Q
XL w/STX Appearance Pkg.
Tire Size
LT275/70R18/E
Load Index
125
Speed Rating
R
XL w/STX Appearance Pkg.
Tire Size
LT275/65R20/E
Load Index
126
Speed Rating
R
XLT 4x2
Tire Size
LT275/65R18/E
Load Index
123
Speed Rating
S
XLT 4x4
Tire Size
LT275/65R18/E
Load Index
123
Speed Rating
S
XLT 4x4
Tire Size
LT275/70R18/E
Load Index
125
Speed Rating
R
XLT w/Black Appearance Pkg.
Tire Size
LT275/65R20/E
Load Index
126
Speed Rating
R
XLT w/Tremor Off-Road Pkg.
Tire Size
LT285/75R18/E
Load Index
129
Speed Rating
Q