[busterbrown]

I had a 4 ton bottle jack. After a leaf spring broke enroute to a campground last fall, I decided to carry an 8 ton instead, due the longer ram and larger base. A couple of 8x8x2 wood pads and the axle reach is relatively safe. As previously mentioned, I agree that the jack length (from ground to the coach's point of contact) should be kept to a minimum. Even with a solid jack point (frame or axle), I still place a jack stand to bear some of the load. Such cheap and easy insurance to avoid "a really bad day".