Shop Press for bushings

[rdm21740]

hi all,
I have a 2000 Mazda B4000 4x4 with torsion bar suspension.
I am getting ready to replace my upper and lower control arm bushings and all my leaf spring bushings. I'm looking at 3 different shop presses to use to press out the old bushings. I'm looking at a 6 ton, 12 ton, and 20 ton. Would the 6 ton be strong enough to press out all the bushing or do i have to go for either the 12 or 20 ton. I'm not to worried about the price of the press, but I do have limited garage space and the 6 ton would take up the least amount of space. It's small enough that it could sit on one of my benches.
here are the links to the presses
http://www.harborfreight.com/6-ton-a-frame-bench-shop-press-1666.html
http://www.harborfreight.com/12-ton-shop-press-60604.html
http://www.harborfreight.com/20-ton-shop-press-32879.html

 

[adsm08]

I think a 6-ton should be enough.

 

[Sasquatch_Ryda]

I usually just use a balljoint press to swap out bushings.

 

[Hagan]

I have the 12 ton press from Harbor freight. That's the only tool I've ever bought from there. Its a bit wobly but does the job. I've used it probably around 50 times. Its held up great.