ML,
A 30 ton excavator, 60,000 lbs, would be 27 metric ton. 30 metric ton equals (x 2204 lbs) 66120 or 33 tons. The 25 metric is 55100 or 27 1/2 tons.
Depends how much trouble moving it is where you are at. If oversize loads are expensive to get moved you might look at the 220 size. They are also more common.
You can find decent excavators at a reasonable price I would guess. I personaly haven't had the best of luck in this area. I bought a Case/Drott at an auction. The parts for it are made in France, not to handy. I got rid of it. Next I bought an expensive one that had 5500 hours. It needs some care now, and has had some. It now has 6900 hours. Had hoped to go to 10000 hrs without trouble.
Wait, you mentioned you wanted to buy an excavator, man do I have a nice low hour machine!
(Dr. Bruce - some hypnotizing of a pigeon perhaps?)