Think of the new Istobal machines the way you think of a new car. For instance, there are no grease fittings on them. Remember when your cars had grease fittings? The machine use amp sensing technology to apply pressure to the car. You can drive one of those Smart cars in the bay crooked, and it will contour to the car easily. Istobal is the only company that makes its own friction material. Google Istobal and Lamborghini and you will see pictures of the machine washing brand new $600,000 Aventadors. They are in 80 countries worldwide. In 2015 they made slightly more than 5,000 of their car, bus, truck, and train wash machines. Since Jesus did not build these, eventually something will break. When it does we get an email within 10 seconds. Many times we can reset it from our phone. You use a touchscreen to do all programming and diagnostics. The best way to get to know the machines is to talk to the owners. Ours are all doing well. You can order a machine with friction only, or add high pressure wheel scrub, UCW, side and top nozzles, or with oscillating zero degree nozzles. They even have its baby brother, the M1. It's a stripped down unit designed for car dealers and smaller markets.