I live very close to MIS and in prior years, I've made some good money pulling stuck campers out of the infield when it rains (and it usually does on a race weekend). I either use my 4x4 F350 (lockers front and rear) or in the case of a big pull, one of my front wheel assist farm tractors.
I always have them sign a hold harmless relieving me from any damage because sometimes it entails a frame stretching pull. I get tremendous traction with a big 4 wheel drive farm tractor. I've never had one I cannot pull.
Quit doing it a couple summers ago, PITA to wash down the equipment all the time.
My biggest tractor with the front loader (forks on) can pick up a 1 ton pickup truck no issue. Done that before too. Did that for the guy across the road this year. His kid high centered his (old man's) pickup truck on a stump and I had to lift it off. 3500 GM diesel, Picked it up like a toy. Just not responsible for damage.