What size fuel tank for 1972 F100?
The 1972 Ford F-100's fuel capacity varies by configuration. The most common size is 20 gallons, with larger long-range tanks around 28–30 gallons available on some bed lengths and option packages.
This article explains typical tank sizes for the 1972 F-100 and provides practical steps to verify the exact capacity on your specific truck.
Typical tank sizes by configuration
Below are the sizes you are most likely to encounter, depending on bed length and equipment. The numbers reflect common factory specifications from era documentation.
- Standard short-bed or mid-length bed F-100: about 20 gallons (approximately 75–76 liters).
- Long-bed or heavy-duty configurations with an optional larger tank: about 28 to 30 gallons (approximately 106–114 liters).
Note: Exact capacity can vary by production run and regional market. To be certain, verify the tank size on your truck using its data plate, build sheets, or official catalogs.
How to confirm your truck’s exact tank size
Use these verification steps to determine the precise capacity for your specific 1972 F-100:
- Check the driver's door jamb data plate or the vehicle build sheet (MSO/window sticker) for listed fuel capacity.
- Consult the original dealer order sheet or factory catalogs that document the tank size and option codes.
- Inspect the fuel tank itself for stamped capacity information or part numbers that indicate the tank size.
- If documentation is missing, you can approximate capacity by carefully filling the tank from empty to full and recording the gallons dispensed, ensuring a safe, vented fueling environment.
Using these checks will help ensure you know the exact tank size for restoration, maintenance, or parts compatibility.
Summary
For most 1972 F-100 pickups, the standard fuel tank is 20 gallons. An optional larger tank—typically in the 28–30 gallon range—appeared on certain bed lengths and packages. Because configurations varied, always confirm the exact capacity on your truck through official plates, build sheets, or direct measurement.
How big is the gas tank on a 1972 Ford F100?
18.5 gallon
Specification: Reproduction 18.5 gallon in cab gas tank for 71-72 Ford F100. This fuel tank is correct for use on models with evaporative emissions control. AMD OE replacement fuel tanks are stamped from high quality rust resistant steel which is zinc coated.
How big is the gas tank on a 1973 Ford F100?
Gas Tank - AFT - 19 gallon - without Emissions - 1973-79 Ford Truck.
How much is a 1972 Ford F100 worth today?
Typically, you can expect to pay around $23,240 for a 1972 Ford F-100 Custom in good condition with average spec. What is the highest selling price of a 1972 Ford F-100 Custom? The highest selling price of a 1972 Ford F-100 Custom at auction over the last three years was $192,500.
What is the most sought after Ford F100?
The F-150 overtook the smaller F-100 in popularity, and the model was eventually retired in 1983. Collectors still love early-model versions of the “Effie” for its classic styling and ease of modification with the 1953-1956 versions in high demand to this day.
