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Your OEM for mission-critical naval engines

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PrimeServ NAVAL DEFENCE

Always ready is a commitment we live by, ensuring your vessels remain mission-ready and on schedule.

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We keep your fleet operational and ready for deployment

With PrimeServ Naval Defence as the OEM authority for your naval engines, you benefit from OEM lifecycle support, designed for the complete lifetime of your naval assets. From commissioning and maintenance to original spare parts, through to retrofits, upgrades and even conversions, we take long‑term responsibility for naval engine availability. 

All services are delivered through accredited in‑country OEM entities, with no third‑party subcontractors involved. This ensures predictable availability, controlled execution, defence‑grade compliance and full confidentiality. 

With OEM engineering integrity and naval‑specific lifecycle governance, we help navies plan, maintain and sustain naval engine availability over the decades.

360° in-country support

From launch to final voyage. One partner.

PrimeServ Naval Defence delivers OEM expertise locally through the PrimeServ worldwide service network, supporting your naval engines across 30–50 years of operation. As your naval engine lifecycle partner, we bring together Integrated Logistics Support, commissioning, in-service support, spare parts, training, technical service, retrofits and upgrades. 

Backed by PrimeServ Product Centres and in-country OEM support, this lifecycle approach helps ensure predictable availability for naval engines, long-term service continuity and readiness across the operational life of your fleet. No fragmented responsibility.



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Integrated Logistics Support (ILS) and In-Service Support (ISS)

Every stage of service.

From naval engines to complete propulsion systems

As the trusted OEM for your naval engine, PrimeServ Naval Defence is the safest partner for your wider engine-room ecosystem. Our full coverage extends beyond the naval engine to include 4-stroke engines, gensets, auxiliary systems, and propellers. Under OEM governance, PrimeServ Naval Defence supports mixed and evolving fleets with the expertise needed to keep mission-critical systems available across the full lifecycle. 

Our global network and PrimeServ Product Centres provide OEM engineering integrity and multi-brand expertise, with tailored support for your specific mission needs. The result is continuous availability and reliable performance across the entire engine room – reducing complexity and strengthening continuity for your fleet.

Smarter maintenance with stand-alone solutions

Condition monitoring solutions for operational availability

Monitor asset condition through lube oil analysis across engines, stern tubes, auxiliaries and other ship equipment – whatever the brand. Get alerted to anomalies early, so you can act before failures occur.

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Defence-grade execution

PrimeServ Naval Defence operates to the stringent standards required by modern naval forces. 

Our solutions support defence-grade compliance for naval engine services, including NNO and IEC shock certifications as well as defence-grade IT and cybersecurity requirements for sensitive fleet environments.
Our teams operate with a naval-specific mindset and understand military communication etiquette, approval chains and strict operational protocols. Support is delivered exclusively through in-country OEM entities with adherence to approved nationality requirements. 

This execution model ensures uncompromising confidentiality in naval engine support and full control over sensitive information, protecting operational data and mission-critical information.

Global reach.
Mission readiness.

Wherever your mission takes you, Everllence is already there. As your strategic service partner, we provide the infrastructure required to maintain peak operational availability across the globe. We handle the technical complexity, so you can focus on the horizon.

4,000

in-country service locations worldwide

2,500

naval engines in operation

+60

navies and coast guards supported worldwide

FAQ

OEM naval engine support

Commissioning and technical services are performed by PrimeServ Naval Defence OEM experts, helping ensure safe operation from day one and preserving OEM engineering integrity across the asset lifecycle.

Technical service provides OEM support for overhauls, troubleshooting and mission-critical interventions using approved processes and technical expertise.

PrimeServ Naval Defence provides specialised OEM training for different roles, competence levels and lifecycle stages. Training can be delivered in our dedicated academies or on customer sites locally and recurring to support sustained readiness.

FAQ

Lifecycle support and avialability

Full lifecycle support covers Integrated Logistics Support, commissioning, in-service support, maintenance, spare parts, training, retrofits, upgrades and obsolescence management.

Mission readiness is supported through OEM-led lifecycle services, predictable maintenance planning, trained crews, secure data handling and in-country execution, helping keep engines, propulsion and auxiliary systems available when required.

PrimeServ Naval Defence provides original spare parts and maintenance kits, supported by integrated logistics and proactive obsolescence management to secure continuity of supply over decades of service.

Retrofits and upgrades extend product lifetime and adapt engine-room systems to changing operational or regulatory requirements, helping maintain performance, compliance and readiness under OEM authority and according to the operator’s needs.

FAQ

Mixed fleets and engine room support

Yes. Through Omnicare, PrimeServ Naval Defence supports complete engine-room environments, including Everllence and non-Everllence components, helping maintain consistency across mixed fleets and evolving configurations.

PrimeServ Naval Defence focuses on the engine room and its mission-critical systems as an independent OEM authority, reducing platform lock-in and supporting propulsion, auxiliary systems and automation with OEM integrity.

FAQ

Sovereignty, confidentiality and mission readiness

In-country OEM execution means services are delivered through accredited local OEM entities without third-party subcontractors, supporting operational control, national requirements and strict confidentiality.

PrimeServ Naval Defence combines in-country execution, OEM authority, defence-grade IT and cybersecurity standards, and controlled data handling to help keep sensitive operational information protected and traceable.

Navies choose PrimeServ Naval Defence for in-country OEM execution, lifecycle support, defence-grade compliance, confidentiality and the ability to keep mission-critical systems available over decades.

Mission readiness is supported through OEM-led lifecycle services, predictable maintenance planning, trained crews, secure data handling and in-country execution, helping keep engines, propulsion and auxiliary systems available when required.

Download PrimeServ Naval Defence overview

Naval defence
pdf | 4893 KB
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Where your fleet sails, we stand ready

With a global network of more than 140 PrimeServ service centres in key ports and strategic maritime hubs, our specialists provide direct, in-country OEM support wherever your mission takes you. This helps ensure consistent reliability, controlled coordination and uninterrupted availability, reinforcing fleet readiness at every stage of deployment.

Contact your in-country OEM partner

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