2009 Ford F-350 Super Duty FX4 Tire Sizes
Factory original equipment (OE) tire specifications.
Crew Cab
Tire Size
LT275/70R18/E
Load Index
125
Speed Rating
S
Crew Cab (DRW)
Tire Size
LT245/75R17/E
Load Index
121
Speed Rating
S
Crew Cab (DRW)
Tire Size
LT245/75R17/E
Load Index
121
Speed Rating
R
Reg. Cab
Tire Size
LT275/70R18/E
Load Index
125
Speed Rating
S
Reg. Cab (DRW)
Tire Size
LT245/75R17/E
Load Index
121
Speed Rating
S
Reg. Cab (DRW)
Tire Size
LT245/75R17/E
Load Index
121
Speed Rating
R
Super Cab
Tire Size
LT275/70R18/E
Load Index
125
Speed Rating
S
Super Cab (DRW)
Tire Size
LT245/75R17/E
Load Index
121
Speed Rating
S
Super Cab (DRW)
Tire Size
LT245/75R17/E
Load Index
121
Speed Rating
R