I went with a 20 ton(12ton is minumum)
Biggest problem I have is I need to buy a torque multiplier(~$200) there are just too many big azz tite bolts on these things
I bent a pc of 2-1/4 dia schedule 40 pipe when it was "assisting" my 1" drive ratchet...I got 3 of 10 loose and gave up...