* Axle Ratio: Different axle ratios (e.g., 3.55, 4.10) resulted in different towing capabilities. Higher ratios meant greater towing power.
* Transmission: The type of transmission (manual vs. automatic) also affected towing capacity.
* GVWR (Gross Vehicle Weight Rating): This is the maximum weight of the truck itself, plus its payload. A higher GVWR allows for more towing.
* Configuration: Options like dual rear wheels (DRW) significantly increased towing capacity compared to single rear wheels (SRW).
* Specific Trim Level: Even within the F-350 model, minor trim variations could slightly affect ratings.
Therefore, you cannot find a single definitive answer without knowing the specific configuration of the truck. To find the exact towing capacity, you'd need to locate the original owner's manual for that specific vehicle or check the sticker inside the driver's side doorjamb (if still present). The sticker would list the GVWR and possibly the towing capacity.
Even with that information, remember those were the *manufacturer's ratings* under ideal conditions. Real-world towing capacity can be lower due to factors like terrain, weather, and the weight of cargo in the truck bed.
