Towing capacities are in the book that came with the truck in the glove box Otherwise go to Fords site and see if you can find it
Get a real truck!
With a 3.73 axle ratio and heavy duty oil & transmission coolers, the Towing Capacity is 6,500 lbs in the 4WD model.
this pdf shows the 1999 manufactures towing capacitys http://www.coachmenrv.com/owners/guide/assets/pdf/1999-tow-ratings.pdf Jeff
I believe its 7,950 lbs. I have a 2000 Dodge Ram 1500 and that is its towing capactiy. I would imagine its the same for a 1999. Depends what size engine you have.
* Towing capacity: 907kg (2,000lbs)
the towing capacity is up to 9,760 lbs on the 2500
5000 pounderos
The maximum towing capacity of a 1999 Chevrolet Silverado K1500 is 4,500 pounds. The maximum payload for this vehicle is 2,177 pounds.
1000 lbs max tow capacity for any model of 1999 escort
Roughly 5000 Lbs.
4500 lbs +
The towing capacity of a 1999 Chevrolet K1500 with a fifth wheel is 8,500 pounds. This allows the vehicle to carry large trailers and boats safely.