With my vast experience in mechanical engineering and machine manufacturing, I would be the ideal candidate to design and develop your tractor-drawn soil digger. One of my key areas of expertise lies in designing and creating powerful and efficient equipment, which required deep understanding of different types of soil and the best ways to plow them. Thus, a soil digger optimized for plowing black soil won't be a problem.
Having worked with CAD/CAM, Manufacturing Design, Mechanical Engineering, and Solidworks for 6 years now, I have developed proficiency in generating high-quality implements optimally attuned for specific needs - just like this project. My past works include the design and manufacture of similar agricultural machinery, so rest assured that you'll receive a product that's not only fit for your purpose but also complies with industry standards.
I've done numerous projects before but I understand how important this is for you. You can count on me to complete your project thoroughly and professionally. For evidence of what I am capable of, I'd gladly present you the files of my previous work. So let's get started on this project together!