* Engine: The specific diesel engine (e.g., 7.3L Power Stroke, etc.) significantly impacts weight.
* Options: Added features like towing packages, upgraded sound systems, special trim levels, and other options all add weight.
* Fuel Level: A full tank of fuel weighs considerably more than an almost empty one.
* Payload: The weight of anything in the truck (passengers, cargo, etc.) adds to the overall weight.
To find the weight of a *specific* 2001 Ford F-350 crew cab dually diesel long bed, you would need to look up its specifications from its original paperwork (like the window sticker or build sheet) or find its GVWR (Gross Vehicle Weight Rating) and curb weight listed in a source that has those specifics for that specific truck's configuration. The GVWR is the maximum allowable weight of the truck when fully loaded, while the curb weight is the weight of the truck itself without any added cargo or passengers. You can sometimes find some of this information online through dedicated vehicle identification number (VIN) decoders or Ford's historical records (though accessing the latter might be challenging).