<As a complete neophyte to the inner workings of a Ur-Q, I have been told <how expensive the Hydraulic system is to maintain. <snip> Ur-q hydraulic systems are no more expensive to maintain. The only things I have replaced are the Bomb and the rack, and this is at 198,000 miles. The ur-q even uses far less expensive ATF and not that dreaded Pento$in stuff. -glen