However, there's no single universally accessible picture or description due to variations in accessories and the specific engine configuration. You'll need to crawl under the truck and carefully look. The plug is usually a hex-head bolt or a similar type of drain plug. It's recommended to consult a repair manual specific to your 1998 Dodge Ram 2500 Cummins for a precise location and removal instructions. This will also help you avoid accidentally draining other fluids.
