Ford F-150
2015–20 4x4
Factory gearing, tires, angles and brakes for the F-150, and what the usual upgrades do to it. Every number is from the maker's own figures unless the calculators say otherwise. A few figures here are still waiting on a factory document; the calculators mark them.
Tire upgrades, worked out
XL/XLT 4x4 (17 in), 3.31s, from 265/70R17| Tire | Height | Under the diffs | Speedo at 65 | RPM at 65 | Gears for daily | Open |
|---|---|---|---|---|---|---|
| 285/70R17 | 32.7 in | +0.6 in | 63 mph | 1,526 | Keep 3.31s | Open → |
| 33x10.50R17 | 33.0 in | +0.7 in | 62 mph | 1,512 | Keep 3.31s | Open → |
| 33x12.50R17 | 33.0 in | +0.7 in | 62 mph | 1,512 | Keep 3.31s | Open → |
| 255/80R17 | 33.1 in | +0.7 in | 62 mph | 1,509 | Keep 3.31s | Open → |
| 285/75R17 | 33.8 in | +1.1 in | 61 mph | 1,475 | 3.55 | Open → |
| 315/70R17 | 34.4 in | +1.4 in | 60 mph | 1,452 | 3.55 | Open → |
| 35x11.50R17 | 35.0 in | +1.7 in | 59 mph | 1,426 | 3.73 | Open → |
| 35x12.50R17 | 35.0 in | +1.7 in | 59 mph | 1,426 | 3.73 | Open → |
| 37x11.50R17 | 37.0 in | +2.7 in | 56 mph | 1,349 | 3.91 | Open → |
| 37x12.50R17 | 37.0 in | +2.7 in | 56 mph | 1,349 | 3.91 | Open → |
Stock turns 1,579 rpm at 65 in top gear. Flotation sizes are nominal; most measure a little short mounted.
Trims
6 we have figures for| Trim | Tire | Transmission | Axle | Angles | Clearance | Open |
|---|---|---|---|---|---|---|
| XL/XLT 4x4 (17 in) | 265/70R17 | 6-speed automatic, 10-speed automatic | 3.31 / 3.55 / 3.73 | 25.5 · 21 · 26 | 9.4 in | Use → |
| XLT/Lariat/FX4 4x4 (18 in) | 275/65R18 | 6-speed automatic, 10-speed automatic | 3.31 / 3.55 / 3.73 | 25.5 · 21 · 26 | 9.4 in | Use → |
| Lariat/KR/Platinum 4x4 (20 in) | 275/55R20 | 6-speed automatic, 10-speed automatic | 3.15 / 3.31 / 3.55 / 3.73 | 25.5 · 21 · 26 | 9.4 in | Use → |
| Heavy-Duty Payload Pkg | LT245/70R17 | 6-speed automatic, 10-speed automatic | — | 26.1 · 19 · 26 | 9.3 in | Use → |
| Raptor SuperCab | LT315/70R17 | 10-speed automatic | 4.1 | 30.2 · 22.9 · 23.1 | 9.9 in | Use → |
| Raptor SuperCrew | LT315/70R17 | 10-speed automatic | 4.1 | 30.2 · 21.8 · 23 | 9.8 in | Use → |
Size
- Wheelbase
- 134.2 in to 146 in
- Front overhang
- 37.1 in to 37.8 in
- Rear overhang
- 48.7 in to 49.1 in
- Height
- 78 in
- Body
- Pickup
- Stock tires
- 265/70R17, 275/55R20, 275/65R18, LT245/70R17, LT315/70R17
Transmissions and low range
- 6-speed automatic (6R80)
- 4.17 · 2.34 · 1.52 · 1.14 · 0.86 · 0.69
- 10-speed automatic (10R80)
- 4.696 · 2.985 · 2.146 · 1.769 · 1.52 · 1.275 · 1 · 0.854 · 0.689 · 0.636
Axles
- Front
- Ford 8.8-in IFS (Raptor: Torsen 4.10 optional)
- Rear
- Ford 8.8-in; 9.75-in with HD payload/Max Tow and Raptor e-locker
- 3.15 ratio
- Lariat/KR/Platinum 4x4 (20 in)
- 3.31 ratio
- XL/XLT 4x4 (17 in), XLT/Lariat/FX4 4x4 (18 in), Lariat/KR/Platinum 4x4 (20 in)
- 3.55 ratio
- XL/XLT 4x4 (17 in), XLT/Lariat/FX4 4x4 (18 in), Lariat/KR/Platinum 4x4 (20 in)
- 3.73 ratio
- XL/XLT 4x4 (17 in), XLT/Lariat/FX4 4x4 (18 in), Lariat/KR/Platinum 4x4 (20 in)
- 4.1 ratio
- Raptor SuperCab, Raptor SuperCrew
Brakes
- Front rotor
- 13.78 in, 350 mm
- Front caliper piston
- 54.0 mm
- Rear rotor
- 13.70 in, 348 mm
- Rear
- disc (ventilated)
Suspension
- Front
- double wishbone IFS, coilovers
- Rear
- leaf springs, solid axle
- Rear layout
- Leaf springs
Fuel economy
- EPA highway
- 23 mpg
- Rated years
- 2015–2020, 4WD
Brake upgrades
What bigger tires need →- Wilwood TX6R front big brake kit 140-13865+15% brake torque13.8 → 15.5 in rotor · 6-piston · 20 in wheels or bigger · $3,283Price from the Steeda listing already used in our F-150 SuperCrew 5.5 entry.
Aftermarket bumpers
17 listedMakers almost never publish angles, bottom heights or how far a bumper tucks, so these fill in as owners measure them. Measured yours? Add it on the rig page and every owner of this F-150 sees how it does on their tires and lift.
Front 10
- Addictive Desert Designs 2015-2017 Ford F-150 Stealth Fighter Front Bumper$2,399
- Body Armor 4x4 2015-2017 Ford F-150 Eco Series Front Bumper$1,000 · winch ready
- Coastal Offroad 13th Gen Ford F150 High Clearance Front Bumper Kit$690
- Fab Fours FF18-D4551-1 Ford F150 2018-2020 Vengeance Front Bumper No Guard65 lb · $2,380
- Frontier Truck Gear Frontier 600-51-5005 Ford F150 2015-2017 Xtreme Front Bumper130 lb · $1,611
- Hammerhead 600-56-0802 Ford F150 2018-2020 Low Profile Front Bumper No Brushguard Non-Winch154 lb · $1,948
- Ranch Hand MFF18HBMN 2018-2020 Ford F150 Midnight Series Front Bumper$2,129
- Steelcraft HD11420RCC Ford F150 HD Front Bumper (2018–2020)265 lb · $1,904
- Thunder Struck Smooth Elite Ford F150 2018-2020 Front Bumper FLD18-200SM300 lb · $2,604
- Westin 58-411065 Ford F150 2018-2020 Pro-Series Front Bumper209 lb · $1,864
Rear 7
- Addictive Desert Designs 2015-2020 Ford F-150 Bomber Rear Bumper$1,699
- Body Armor 4x4 2015-2020 Ford F-150 Eco Series Rear Bumper$1,000
- Fab Fours Red Steel FF15-RT3250-1 Ford F150 2015-2020 Rear Bumper100 lb · $963
- Ironman 4x4 Raid Rear Bumper Kit for Ford F-150 (2015-2020)$449
- Ranch Hand SBF15HBLSL 2015-2020 Ford F150 Sport Rear Bumper$1,051
- Warn 96255 Ford F150 2015-2020 Ascent Rear Bumper101 lb · $1,422
- Westin 58-421015 Ford F150 2015-2023 Pro-Series Rear Bumper Black Finish$1,488
Every calculator, set up for the F-150
Source: auto-brochures.com.
Use at your own risk. These calculators are here to help you plan and to inform your decisions, not to sign off on a build. Many numbers are estimates worked out from factory figures, and some factory figures are not yet confirmed. Check every number against your own truck, its manuals and a qualified shop before you buy parts, cut, weld, lift, regear or drive on it. Long Range Desert Tools is not liable for anything you do based on these calculators or their results. The full terms are in our policies.