This is a high quality jack for my 2 axle road trailer. Street. I also use it to level RVs (customer service has confirmed it can be used for this purpose too). I placed planks under the other wheel to prevent putting too much weight on the axle with a jack when using it to level my setup. All that's left is a bump drive that lets you change a flat tire with near NASCAR efficiency, which is especially important for safety when the flat tire is on the side of the rig, or better yet, TPMS andβ¦