Is a Ford F-550 diesel or gas?
The Ford F-550 can be powered by diesel or gasoline, depending on the model year and configuration.
For buyers and operators, the choice affects towing capacity, payload, and operating costs. This article outlines the engine options typically available on recent F-550 models and how availability can vary by year and chassis configuration.
Engine options for the F-550
Engine options available on recent F-550 configurations include a diesel option and several gasoline options. The list below highlights the main powertrain choices you may encounter.
- Diesel — 6.7L Power Stroke V8 Turbo Diesel (common on F-550, tuned for heavy hauling with high torque)
- Gasoline — 7.3L Godzilla V8 Gasoline (primary gasoline option on newer Super Duty/Chassis Cab models)
- Gasoline — 6.2L V8 Gasoline (availability varies by year and trim; present on some configurations)
Availability varies by model year, chassis type (F-550 Super Duty vs. F-550 Cab & Chassis), and market. Check with a dealer for current options on a specific truck.
Choosing between diesel and gas
Consider factors such as expected payload and towing needs, fuel and maintenance costs, and fueling options in your area. Diesel powertrains typically excel in torque-heavy applications and long-term durability, while gasoline powertrains can be simpler to service and may offer lower upfront costs on lighter-duty builds.
Summary
The Ford F-550 is not limited to a single fuel type. Depending on the model year and configuration, you can choose between a diesel option (primarily the 6.7L Power Stroke) and gasoline options such as the 7.3L Godzilla V8 or the 6.2L V8. Always verify the exact engine availability for the specific truck you’re considering with a Ford dealer or certified installer.
