2014 Ford F-450 Super Duty Gas Tank Size & Fuel Capacity
Fuel tank capacity
37.5gal · 142 L
The 2014 Ford F-450 Super Duty has a fuel tank capacity of 37.5 gallons (142 liters) on every trim.
37.5 gal · Bigger than 100% of 2014 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- More range
- Fill-up cost
- Other years
- Fuel recalls
- Pump & gauge parts
- FAQ
2014 Ford F-450 Super Duty fuel tank capacity by trim
| Trim | Engine | Drive | Tank | |||
|---|---|---|---|---|---|---|
| King Ranch 4dr Crew Cab 4WD LB DRW 6.7L 8cyl Turbodiesel 6A · 4WD Diesel | 6.7L 8cyl Turbodiesel 6A Diesel | 4WD | 37.5 gal142 L | |||
| Lariat 4dr Crew Cab 4WD LB DRW 6.7L 8cyl Turbodiesel 6A · 4WD Diesel | 6.7L 8cyl Turbodiesel 6A Diesel | 4WD | 37.5 gal142 L | |||
| Platinum 4dr Crew Cab 4WD LB DRW 6.7L 8cyl Turbodiesel 6A · 4WD Diesel | 6.7L 8cyl Turbodiesel 6A Diesel | 4WD | 37.5 gal142 L | |||
| XL 4dr Crew Cab 4WD LB DRW 6.7L 8cyl Turbodiesel 6A · 4WD Diesel | 6.7L 8cyl Turbodiesel 6A Diesel | 4WD | 37.5 gal142 L | |||
| XLT 4dr Crew Cab 4WD LB DRW 6.7L 8cyl Turbodiesel 6A · 4WD Diesel | 6.7L 8cyl Turbodiesel 6A Diesel | 4WD | 37.5 gal142 L | |||
| No trim matches all of these filters. | ||||||
Tank figures are the manufacturer's rated capacity, sorted smallest tank first. The EPA doesn't rate fuel economy for heavy-duty pickups and vans (over 8,500 lb gross vehicle weight), so these trims have no official MPG or range.
What it costs to fill up a 2014 Ford F-450 Super Duty
$238.13 to fill the 37.5-gallon tank from empty with diesel, at this week's US average of $6.35 a gallon.
| Tank | Fuel | US avg / gal | From empty | From 1/4 tank |
|---|---|---|---|---|
| 37.5 gal | Diesel | $6.35 | $238.13 | $178.59 |
By region, 37.5-gallon tank
| Region | Diesel / gal | Fill from empty |
|---|---|---|
| East Coast | $6.08 | $228.00 |
| Midwest | $6.48 | $243.00 |
| Gulf CoastLowest | $5.95 | $223.13 |
| Rocky Mountain | $6.52 | $244.50 |
| West Coast | $7.33 | $274.88 |
| CaliforniaHighest | $8.15 | $305.63 |
Prices: U.S. Energy Information Administration retail averages for the week of October 26, 2026. This week's prices by state and city.
Your own price
- 37.5-gallon tank$238.13
Starts at the US average for diesel; type in what your station charges. For other tank sizes, use the fill-up calculator.
F-450 Super Duty tank size in other years
The 2014 F-450 Super Duty uses the same 37.5 gal tank as every F-450 Super Duty since 2011.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2019 F-450 Super Duty | 29.0–48.0 gal | Not rated |
| 2018 F-450 Super Duty | 48.0 gal | Not rated |
| 2017 F-450 Super Duty | 48.0 gal | Not rated |
| 2016 F-450 Super Duty | 37.5 gal | Not rated |
| 2015 F-450 Super Duty | 37.5 gal | Not rated |
| 2014 F-450 Super Duty | 37.5 gal | Not rated |
| 2013 F-450 Super Duty | 37.5 gal | Not rated |
| 2012 F-450 Super Duty | 37.5 gal | Not rated |
| 2011 F-450 Super Duty | 37.5 gal | Not rated |
| 2010 F-450 Super Duty | 38.0 gal | Not rated |
| 2009 F-450 Super Duty | 38.0 gal | Not rated |
2014 Ford F-450 Super Duty fuel system recalls
None of the 5 recalls NHTSA lists for the 2014 Ford F-450 Super Duty involve the fuel system.
2014 Ford F-450 Super Duty fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 2014 Ford F-450 Super Duty, so a failed pump or gauge is a normal repair. These are the part numbers the makers list for it.
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Frequently asked questions
What is the fuel tank capacity of the 2014 Ford F-450 Super Duty?
The 2014 Ford F-450 Super Duty holds 37.5 gallons (142 liters) on every trim we list.
How many gallons and liters does the 2014 Ford F-450 Super Duty gas tank hold?
The 2014 Ford F-450 Super Duty tank holds 142 liters, or 37.5 gallons in US gallons.
What gas does the 2014 Ford F-450 Super Duty take?
Diesel fuel. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2014 Ford F-450 Super Duty?
At the US average of $6.35 a gallon for diesel (EIA, week of October 26, 2026), filling the 37.5-gallon tank from empty costs $238.13. It ranges from $223.13 in the Gulf Coast to $305.63 in California.
How much does a full tank of gas weigh in a 2014 Ford F-450 Super Duty?
About 263 pounds for the 37.5-gallon tank. Diesel weighs roughly 7 pounds a gallon.
Has the 2014 Ford F-450 Super Duty had a fuel pump or fuel system recall?
No. None of the 5 recalls NHTSA lists for the 2014 Ford F-450 Super Duty involve the fuel system.
Sources
- Tank sizes: manufacturer-rated capacities from US-market specifications, checked against independent references. Updated October 2026.
- MPG and range: EPA ratings. Range is tank size times EPA MPG.
- Fuel prices: U.S. Energy Information Administration, week of October 26, 2026 (this week's prices).
- Recalls: NHTSA recall database (Ford fuel system recalls).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.