If you're currently in the market for a used semi-truck, then chances are you may have run across numerous trucks featuring engines that have undergone an overhaul at some point in their lives. Some truck dealers may even tout overhauled engines as an attractive selling point for buyers in search of long-lasting internals. So is it a good or bad idea to buy a semi-truck with an overhauled engine? The following outlines the many advantages and disadvantages that come with making such a purchase.