Hello I have worked as a Superintendent on many solar jobs nationwide. I have to say it really comes down to two things - Geotech reports and Construction expertise. I have not personally used the pd10 but have come around gayks which are exclusively distributed by Schletter and have seen acouple other drivers as well. They all do the same thing , some just have a couple knicks and knacks. Experienced operators know they must be able to control pile while it is being driven. I have seen other contractors autolevel and drive away ; later they have to pay the price with slow production due to poor quality.