I have that problem with my batwing shredders. Just leaving the jack to the ground it will sink. I keep 2x6 boards there now for under the jack.
Here in La., that's a problem, too. That friend, that just got the 856, managed to get some gravel from a rail road they were taking up. Made him about a 40'x100' pad to park his stuff on. Its a whole lot better than having to dig the implements out of the ground.
