Medium Continuous (MCD)This power rating is intended for continuous use in variable load applications with a load factor of 40-60 percent. Full power is limited to six hours out of every 12 hours of operation. Reduced power operation must be at or below 80 percent load.

Typical vessel applications include: planing hull ferries, fishing boats designed for high speeds to and from fishing grounds, (non-cargo) displacement hull yachts, and short trip coastal freighters where engine load and speed are cyclical.

Typical auxiliary applications include: powerpacks and some cargo pumps.