i bought a 2000 f150 with the 7700 package used and i cant read any of the info on the reciever all i can c is the brand is a hidden hitch. Im trying to figure out what class the hitch is ,can anyone tell me if it came with this hitch and if it did what class it would most likely b. Or if there is a website i can put my vin in that would tell me what came with the truck.

 

Hidden Hitch is not a factory Ford option, so it didn't come with it.

Class I and II are 1.25" reciever tube
Class I 200# up to tongue, 2000# trailer max weights
Class II 350# up to tongue, 3500# trailer max weights

Class III and IV are 2" reciever tube, class III with class IV endorsement will have a band around the outside of the reciever tube to re-enforce it for the higher weight rating. (most common)
Class III up to 500# tongue, 5000# trailer max weights
Class III w/ Class IV endorcement is up to 900# tongue, 9000# trailer max weight.
Class IV up to 1200# tongue, 12,000# trailer max weights

Class V is 2.5" reciever tube (Putnam 2" class V excepted)
Max tongue weight: 1400#'s
Max trailer weight: 14,000#'s

These numbers change with weight distribution bars.
For example most standard class III with a 10k wd bars gives you 10k capacity and 1k tongue capability or doubling the capacity.

 

You would be safe treating it as a class III if it has a 2" receiver box, 500/5000 without WD, 1000/10000 with WD, but don't exceed the GVWR or GCWR of the truck.