Lynn Miller and Ed Joseph discuss the merits of the two-way plow, what to look for when considering purchase, and a little bit of the history of this unique IH / P&O model.
If we agree that quality of plowing is subject to different criteria at different times and in different fields, then perhaps the most important thing to consider is control. How effectively can I plow to attain my desired field condition based on my choice of plow? The old time plow manufacturers understood this. At one time there were specific moldboards available for every imaginable soil type and condition.