This hourmeter is designed to fit Cummins engine models K19, K38, and NT855 QSK. It accurately measures the engine's hourly performance and displays the results on its easy-to-read gauge. The part type for this hourmeter is a gauge, and it falls under the categories of heavy equipment parts and accessories, heavy equipment, parts, and attachments, and business and industrial equipment. The hourmeter is a valuable tool for monitoring the engine's health and ensuring optimal performance. It is compatible with various Cummins engine models and is easy to install. This hourmeter is a must-have for anyone who wants to keep an eye on their engine's performance without compromising on accuracy.