To find the horsepower of a Ford 5640 tractor, you'll need to consult reliable sources like:
* Ford Tractor Manuals: Look for the owner's manual or a technical manual specific to the Ford 5640 model.
* Online Tractor Databases: Websites like TractorData.com or similar resources often have detailed specifications for various tractor models.
* Ford Tractor Dealers: Contact a local Ford tractor dealership or a dealer specializing in vintage tractors. They might have information about the horsepower of the 5640 model.
Remember, the horsepower of a tractor can vary depending on the engine configuration and year of manufacture.