How tall a tree do you want to climb? The LX2610SU with loaded fat R14's will crawl over just about anything. Aired to proper inflation with ballast, the turn a compact tractor into something that rivals full size. Look at the size of the tires in the photo posted by WFM. If you can't crawl out of a mud hole with that, there's a big problem, and it ain't the tractor's fault.