Based in Hoorn, the Netherlands, RM Propulsion operates as a specialized technical service provider within the global maritime industry, focusing on the maintenance, supply, and engineering of propulsion train components. Founded in 2012 by marine engineer Robin Mulders, the organization began as a technical consultancy and has since evolved into a prominent family-run enterprise. The company distinguishes itself by functioning as an independent alternative to Original Equipment Manufacturers (OEMs), providing shipowners and management companies with flexible solutions for maintaining critical underwater machinery.
The core of the company’s identity lies in its ability to service and supply compatible parts for a wide range of major propulsion brands without being tied to specific manufacturer supply chains. This independent status allows the firm to offer cost-effective and rapidly deployable options for stern tube seals, liners, and bearings. Unlike many aftermarket suppliers that function solely as distributors, RM Propulsion has invested significantly in in-house Research and Development. A testament to this engineering depth is the development of their proprietary stern tube sealing system, the Ocean Seal, which has secured classification society type approvals. Furthermore, the company recently completed a full-scale test rig facility capable of simulating realistic sea conditions, including wave impact and varying draft pressures, to rigorously validate seal performance against Environmentally Acceptable Lubricants (EALs).
Operationally, the firm manages a logistics network and a team of service engineers stationed in key maritime hubs, including the Netherlands, Estonia, China, and Turkey. These technical teams are specialized in complex procedures such as the bonding of stern tube seals, which can often be performed while the vessel is afloat to minimize operational downtime. Beyond sealing systems, the company’s expertise extends to the overhaul and troubleshooting of Controllable Pitch Propellers (CPPs), azimuth thrusters, and bow thrusters. By bridging the gap between high-level engineering consultancy and hands-on mechanical repair, RM Propulsion supports commercial fleets in navigating strict environmental regulations and tight sailing schedules, ensuring the mechanical integrity of vessels trading worldwide.