Gordon, I too use the boxblade in reverse for major cutting and bulldozing. In fact, its a great way to remove the most stubborn of rocks and tree stumps. Besides having the most lifting force of anything on my tractor, I also use my hydraulic top link to give even more power to the rear lip of the boxblade. The arms on my tractor are very stout, using the boxblade in reverse is not an issue for me. I have never suffered any ill effects from doing so. On our NH 2120 we cannot go backwards with the boxblade. Here is what happens. The arms have been straightened back out. Rat...