BFG's AT's, Mickey Tompson Baja Claws, TrXus STS, Cooper makes some decent ones.
Not in any order and track conditions and
tire pressures make the biggest differences.
They will all hook up and break stuff so be ready. Wider and taller is "generally" better if you can maintain your optimal gear to minimize downshifting at the end of the track.
Don't run mud terrains. They dig and pile dirt in front of the sled and make it harder to pull.
Correct
tire pressure is key.