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How much fuel does a F-350 hold?

The Ford F-350 Super Duty pickup truck has a fuel tank capacity that varies depending on the specific model and configuration. Generally, the F-350 can hold between 26 and 48 gallons of fuel, providing a substantial driving range for this powerful and capable truck.


Fuel Tank Capacity by F-350 Model


The fuel tank capacity of the Ford F-350 depends on the specific model and engine configuration:



  • F-350 with 6.2L V8 engine: 26-gallon fuel tank

  • F-350 with 6.7L Power Stroke diesel engine: 34-gallon fuel tank

  • F-350 with dual fuel tanks: 48-gallon total capacity (two 24-gallon tanks)


The dual fuel tank configuration is available as an option on some F-350 models, providing a larger total fuel capacity for extended driving range or heavy-duty hauling and towing applications.


Factors Affecting Fuel Efficiency


The actual fuel efficiency and driving range of an F-350 will depend on several factors, including:



  • Engine type (gas or diesel)

  • Driving conditions (city, highway, towing, etc.)

  • Load and payload weight

  • Driving style and habits


On average, the F-350 with the 6.2L V8 engine can achieve around 15-18 mpg in combined city and highway driving, while the 6.7L diesel model may get 18-22 mpg. However, real-world fuel economy can vary significantly based on the factors mentioned above.

What size fuel tank is on a 2025 Ford f350?


34-gallon
2025 Ford F-350 XL
The base XL starts at about $45,000 and comes standard with a SYNC®4 infotainment system, a 34-gallon gas tank and Trailer Sway Control.



How many gallons does a 6.7 diesel take?


Capacities and Specifications - 6.7L Diesel

ItemCapacity
Fuel tank (Dual)(Right side)47 gal (177.9 L) (Usable capacity)3
50 gal (189.2 L) (Liquid capacity)
Fuel tank (Small)47 gal (177.9 L) (Usable capacity)3
50 gal (189.2 L) (Liquid capacity)



How big is the fuel tank on a 6.7 powerstroke?


2017 - 2022 Ford Powerstroke 6.7L Crew Cab Short Bed 60 Gallon Fuel Tank.



How many gallons does a F-350 hold?


The Ford F-350's fuel capacity varies by model year, configuration, and engine, but most models have a standard 34-gallon tank, while some diesel configurations can have larger tanks, including optional larger tanks of 48, 55, or 65 gallons. Always check the fuel door or owner's manual for your specific truck. 
Typical fuel capacities

  • Standard gasoline and diesel: A 34-gallon tank is common for many standard gasoline and diesel configurations. 
  • Diesel with options: Larger, optional tanks are available, with capacities ranging from 48 to 65 gallons depending on the model year and configuration. 
  • Aftermarket options: Aftermarket high-capacity tanks are also available, with some going up to 68 gallons. 

How to confirm your F-350's fuel capacity
  • Check the fuel door: The fuel capacity may be listed on a sticker inside the fuel filler door. 
  • Consult the owner's manual: The owner's manual provides the most accurate information for your specific truck. 
  • Look for the fuel tank size: Some vehicle specifications will list the tank size; for example, some diesel configurations are listed with a 65-gallon capacity. 


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.