Berg Propulsion
Parts and Service

The Largest Berg Propulsion Parts Inventory and Service Capability in the United States

As the authorized Berg Propulsion distributor for the United States, Thompson Marine maintains the largest Berg parts inventory and the most comprehensive Berg propulsion field service capability in the Americas. From planned overhauls and routine maintenance to emergency response and rapid parts fulfillment, Thompson Marine supports every Berg system through the full life of the installation, with factory-trained technicians, deep parts stock, and the engineering depth to handle the most complex service events in commercial marine.

Propulsion UPGRADES

Berg OEM Parts Inventory

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Thompson Marine stocks the largest inventory of Berg Propulsion components and critical spares in the United States at its Gulf Coast facility. The parts required for a planned overhaul, an unscheduled repair, or a routine maintenance event are available without waiting on international lead times or manufacturer order cycles.

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Fleet operators and port engineers managing large-scale overhaul events are supported directly by Thompson Marine’s sales and service team. Routine and time-sensitive orders are handled directly by phone and email, with Thompson Marine’s parts team available to identify, quote, and fulfill requirements quickly.

Thruster and Propulsion System Overhauls

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Thruster overhauls represent one of Thompson Marine’s primary Berg service categories, requiring technical expertise by factory-trained technicians. Thompson Marine’s service team performs complete Berg thruster overhauls at the vessel or at the shipyard, with the capability to manage the full scope of disassembly, inspection, component replacement, reassembly, and recommissioning.

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Overhaul services cover the full range of Berg propulsion equipment, including controllable pitch propellers, azimuth thrusters, tunnel thrusters, and Z-drive systems. Every overhaul is performed using Berg OEM parts, ensuring that the overhauled system meets original performance and reliability specifications when it returns to service.

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Swing Unit Program

Critical Berg propulsion components, including thrusters and controllable pitch propeller assemblies, carry long manufacturing lead times when ordered new. For vessels that cannot afford extended dry-dock windows waiting on parts, Thompson Marine’s Swing Unit Program provides the answer.

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Thompson Marine maintains ready replacement assemblies for critical Berg thruster and CPP components at its Gulf Coast facility. When a vessel arrives at the yard for a planned overhaul or an unscheduled repair, the replacement components are already on hand. The vessel goes in, the work gets done, and the vessel returns to service on schedule. There is no waiting on factory production lead times that can stretch close to a year for major Berg components.

The Swing Unit Program is a parts-readiness program, not a loaner program. Thompson Marine holds the inventory so that service timelines are controlled by the yard schedule, not the supply chain.

Rapid-Deployment Field Service

Thompson Marine’s factory-trained Berg technicians are available for rapid deployment across the United States, Canada, Mexico, the Caribbean, and the Mediterranean to support commissioning, planned maintenance, and emergency response throughout the life of every installation. When a vessel needs support, Thompson Marine dispatches the right technical resources to wherever the vessel is located.
 
Emergency response capability is a direct result of maintaining a team with hands-on Berg system experience across a wide range of vessel types and propulsion configurations. When an unplanned service event occurs, Thompson Marine’s field team arrives with the technical background and parts access to diagnose and resolve the issue efficiently.

Planned Maintenance and Preventative Service

Scheduled maintenance performed on time and to specification is the most cost-effective way to extend the service life of a Berg propulsion system and avoid unplanned downtime. Thompson Marine works directly with fleet operators and vessel managers to develop maintenance programs aligned with operating schedules, dry-dock windows, and manufacturer service intervals.

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Coordinating maintenance through Thompson Marine ensures that Berg parts are on hand before the vessel arrives, and that the work is completed by technicians trained specifically on Berg equipment.

Planned maintenance services include:

  • Inspections
  • Lubrication and fluid services
  • Seal and bearing replacements
  • Pitch control system checks
  • Control system calibration
  • Full system performance verification

Commissioning Support

Every new Berg propulsion installation or major system upgrade benefits from factory-trained commissioning support to verify that the system has been installed correctly, that all control parameters are properly configured, and that the vessel performs to specification before returning to commercial service.

Thompson Marine provides complete Berg commissioning support, including:

  • Inspections
  • Lubrication and fluid services
  • Seal and bearing replacements
  • Pitch control system checks
  • Control system calibration
  • Full system performance verification

Start the Conversation

Every project starts with a conversation. Contact Thompson Marine to discuss what the right solution looks like.

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A repower replaces the main engines in a vessel. A retrofit modernizes the propulsion system itself, including the propeller, thruster, shaftline, and control architecture, without necessarily replacing the engines. A Berg Propulsion retrofit engineered by Thompson Marine addresses the full propulsion plant, from blade geometry and pitch management through control system integration, and can be performed independently of or in conjunction with an engine repower.

Project timelines vary depending on vessel type, scope of work, and shipyard scheduling. Thompson Marine provides shipyard-ready documentation, including installation drawings, wiring schematics, shaftline layouts, and custom piping designs, to minimize installation time and reduce ambiguity during the upgrade. Every project begins with a thorough engineering assessment to establish an accurate timeline before work begins.


Yes. The Berg control platform is designed to manage mechanical, electric, and battery power sources natively within a single integrated system. A retrofit completed today installs the same control architecture that manages hybrid operations when power sources change. There is no need to replace or re-engineer the control system when the vessel transitions to hybrid or electric propulsion in the future.

Thompson Marine supports every installation throughout the life of the vessel. Factory-trained technicians are available for rapid deployment across the Americas to support commissioning, planned maintenance, and emergency response. Thompson Marine also maintains the most extensive Berg Propulsion parts inventory and field service capability in the United States, including the Swing Unit Program for critical thruster and controllable pitch propeller components, so parts are on hand when a vessel reaches dry dock.