The 2023 Ford F-350 Super Duty has a fuel tank capacity of 34.0 to 48.0 gallons (129–182 liters), depending on the trim. The most common size is 34.0 gallons, used on 25 trims.
025 gal50 gal
48.0 gal · Bigger than 99% of 2023 models we list.
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 2023 Ford F-350 Super Duty
$145.18to fill the 34.0-gallon tank from empty with regular, at this week's US average of $4.27 a gallon.
Picked by body style and size: other 2023 pickups within about 5% of the F-350 Super Duty's length and 15% of its curb weight, one model per brand.
2023 Ford F-350 Super Duty fuel system recalls
NHTSA lists 1 fuel-system recall for the 2023 Ford F-350 Super Duty, out of 15 recalls in total. A recall applies only to the vehicles named in it, so check your VIN.
Delivery · Fuel pumpJul 7, 2025 · NHTSA 25V455000 · Ford Motor Company · 850,318 vehicles
Ford Motor Company (Ford) is recalling certain 2021-2023 Bronco, Explorer, Lincoln Aviator, F-250 SD, F-350 SD, F-450 SD, F-550 SD, 2021-2022 Lincoln Navigator, Mustang, F-150, and 2022 Expedition vehicles. The low-pressure fuel pump may fail, which can result in an engine stall while driving.
Risk and remedy
Risk: An engine stall increases the risk of a crash.
Remedy: Dealers will replace the low pressure fuel pump on super duty vehicles and update the powertrain control module (PCM) software on all other affected vehicles, free of charge. Owner notification letters were mailed July 27, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S75.
What is the fuel tank capacity of the 2023 Ford F-350 Super Duty?
The 2023 Ford F-350 Super Duty holds between 34.0 and 48.0 gallons, depending on the trim. 34.0 gallons is the usual size; the 48.0-gallon tank comes on the King Ranch 4dr Crew Cab 4WD LB (7.3L 8cyl 10A).
How many gallons and liters does the 2023 Ford F-350 Super Duty gas tank hold?
The 2023 Ford F-350 Super Duty tank holds 129–182 liters, or 34.0–48.0 gallons in US gallons.
Which 2023 Ford F-350 Super Duty has the biggest gas tank?
The 48.0-gallon tank is on the King Ranch 4dr Crew Cab 4WD LB, King Ranch 4dr Crew Cab 4WD LB DRW, Lariat 4dr Crew Cab 4WD LB and 11 other trims. The smallest tank, 34.0 gallons, is on the King Ranch 4dr Crew Cab 4WD SB.
Does the 2023 Ford F-350 Super Duty tank change with the powertrain?
No. Gas and Diesel versions of the 2023 Ford F-350 Super Duty use the same 34.0–48.0 gal tank.
Does 4WD change the 2023 Ford F-350 Super Duty gas tank?
No. 4WD and RWD versions of the 2023 Ford F-350 Super Duty use the same 34.0–48.0 gal tank.
What gas does the 2023 Ford F-350 Super Duty take?
Regular unleaded, or Diesel fuel, depending on the engine. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2023 Ford F-350 Super Duty?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 34.0-gallon tank from empty costs $145.18. It ranges from $125.80 in the Gulf Coast to $200.26 in California.
How much does a full tank of gas weigh in a 2023 Ford F-350 Super Duty?
About 336 pounds for the 48.0-gallon tank. Diesel weighs roughly 7 pounds a gallon.
Does the 2023 Ford F-350 Super Duty have a bigger gas tank than the GMC Sierra 2500HD?
Yes. The 2023 Ford F-350 Super Duty holds up to 48.0 gallons; the 2023 GMC Sierra 2500HD holds up to 36.0.
Has the 2023 Ford F-350 Super Duty had a fuel pump or fuel system recall?
Yes. NHTSA lists 1 fuel-system recall for the 2023 Ford F-350 Super Duty: 25V455000 (delivery · fuel pump). Check your VIN at nhtsa.gov/recalls to see if your car is affected.
Sources
Tank sizes: manufacturer-rated capacities from US-market specifications, cross-checked against a second spec database. Updated October 2026.
MPG and range: EPA ratings. Range is tank size times EPA MPG.