Troop Trailer Specs:
Ball Size: 2″
Width: Less than 8ft
Height: Less than 8ft
Length: Unknown
Axles: Tandem (i.e. 2)
Wiring Harness: 7-Way 
There is not a hitch with the trailer but Mr. Thompson has a few to loan out in various drop. A 2-4in drop hitch will work on most vehicles.
There is one spare tire and lug wrench typically with the trailer. Double check for jack.
Trailer is probably 3000lbs loaded and can be pulled by most SUVs and pickups.