Shaft Seal Systems Built Tough And Eco-Friendly.

Duramax Marine has a long history of engineering systems for the commercial marine industry, as well as recreational boaters. We deliver a full line of stuffing boxes and stern castings for sealing stern tubes, bulkheads, and rudder ports.
Our Johnson Heavy-Duty Stuffing Box is well known around the world and it is not uncommon for it to last the life of the vessel. Duramax shaft seal systems are products you can trust, supported by a team of experts to solve problems you might face.