Marine Turbochargers
Maximize Engine Efficiency & Performance.
Our Advantage
- Reconditioned & reusable units
- Strict operational standards
- Industry-trusted brands
- Ready-to-ship spare parts
- Precision engineering
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View Engine PartsHigh-Performance Turbocharger Solutions
We are specialists in the supply of high-performance Reconditioned and Reusable Turbocharger units. We understand that engine efficiency and vessel uptime depend on the quality of your turbocharging system.
That is why every unit and component in our inventory is rigorously inspected to meet strict operational standards, ensuring optimal performance and reliability.
Our Range of Supported Brands
We provide a comprehensive supply chain for the industry's most trusted turbocharger manufacturers, including:
ABB
VTR, TPL, and TPS series
Mitsubishi
MET series (MET-SD, MET-SC, MET-SRC)
MAN B&W
NR, NA, and TCR series
Napier, KBB, IHI, and Holset
Reliable solutions for auxiliary and main engines
Critical Spares & Components In Ready Stock
Maintaining a turbocharger requires precision. We carry a massive inventory of ready-to-ship parts to minimize your downtime:
Rotor Assemblies
Balanced and inspected for immediate installation
Casings
High-quality inlet and outlet casings
Turbine Blades & Impellers
Precision-engineered for optimal airflow
Nozzle Rings & Cover Rings
Restoring efficiency to your exhaust gas flow
Service Kits
Bearings, oil pumps, and sealing bushings
Why Partner With Us?
Reliability, quality, and global reach you can trust
Tested Reliability
All reconditioned units are verified for structural integrity
Cost-Effective Solutions
High-quality reusable units at a fraction of the cost of new OEM parts
Global Rapid Delivery
Strategically located to ship to major ports and industrial hubs worldwide
Technical Insights: Marine Turbochargers
Expert engineering observations from our dismantling facility.
What Is It?
A marine turbocharger is a critical exhaust-gas-driven induction system that forces extra compressed air into the combustion chamber of a marine diesel engine. By recovering waste kinetic and thermal energy from the exhaust gas, the turbocharger drives a turbine connected via a common rotor shaft to a compressor wheel. This significantly increases engine power output, fuel efficiency, and lowers emissions without increasing engine displacement. We primarily source axial-flow turbochargers for large two-stroke main engines (like the Mitsubishi MET series) and radial-flow units for four-stroke auxiliary generators.
Applications
Turbochargers are universally applied across commercial shipping. They are utilized on large low-speed crosshead propulsion engines (such as MAN B&W and Wärtsilä 2-stroke engines) to ensure sufficient scavenging air pressure across the engine load profile. They are equally vital on medium-speed and high-speed 4-stroke auxiliary engines powering the vessel's electrical grid. A well-maintained turbocharger ensures the engine operates efficiently during maneuvering, continuous heavy weather steaming, and part-load operations.
Common Failure Modes
In our experience during teardown, the most frequent failure modes involve the rotor assembly and bearings. High-temperature exhaust gases combined with poor fuel quality often lead to severe fouling and thermal erosion on the nozzle ring and turbine blades. Thrust bearing failure—often precipitated by lube oil contamination or lack of dynamic balance—can cause catastrophic rotor contact with the casing. Additionally, surging (compressor stall) caused by fouled compressor wheels or restricted scavenge air coolers induces massive aerodynamic stress, eventually leading to fatigue failure of the compressor blades.
Inspection Process
Every salvaged turbocharger undergoes a meticulous inspection protocol. The rotor assembly is fully dismantled and ultrasonically cleaned. Turbine blades and the compressor wheel are subjected to dye penetrant testing (PT) to detect micro-cracks near the blade roots. The rotor shaft journals are micro-metrically calibrated for ovality, and the entire rotor assembly is dynamically balanced on a computerized test bench to ISO G2.5 standards or better. We also perform a visual and dimensional inspection of the labyrinth seals, gas casings, and water cooling spaces.
Buyer Considerations
When procuring reconditioned turbochargers or spare parts, buyers must verify the exact OEM specification plate (Frame size and Spec number, e.g., VTR 454-11). Always request a valid dynamic balancing certificate for any complete rotor assembly. If purchasing casings, ensure they have been hydro-tested, as older water-cooled gas casings are highly susceptible to internal corrosion from sulfuric acid condensation. Finally, verify the running hours of the donor unit if available, and ensure you procure the correct matching nozzle ring throat area for your specific engine tuning.
Marine Turbochargers — Common Questions
Technical answers for marine engineers and procurement teams sourcing turbocharger parts.
Do you stock ABB VTR 454 and VTR 564 turbocharger cartridges for MAN B&W main engines?
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Yes. We stock reconditioned rotor cartridge assemblies for ABB VTR 354, VTR 454, and VTR 564 series turbochargers commonly used on MAN B&W main engines. Each cartridge is strip-inspected, shaft run-out is verified, and the complete rotor assembly is dynamically balanced to ISO G2.5 precision before dispatch.
Can you supply a nozzle ring assembly for an ABB TPL 85 turbocharger?
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Yes. Nozzle ring assemblies for ABB TPL 65, TPL 77, and TPL 85 series turbochargers are available from our inventory. Nozzle rings are inspected for thermal cracking and erosion. Blade throat area measurements are taken to verify correct exhaust gas flow characteristics.
Is a complete reconditioned Mitsubishi MET-SD53 turbocharger rotor assembly available?
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Yes. Reconditioned rotor assemblies for Mitsubishi MET-33SD, MET-42SD, MET-53SD, and MET-66SD turbochargers are regularly stocked. Turbine blades are ultrasonically tested, and the complete rotor is dynamically balanced. We provide the balancing certificate and dimensional report with every supply.
What are the typical causes of surging in a marine turbocharger and can you supply the parts needed to rectify it?
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Turbocharger surging is typically caused by fouled compressor blades, a worn or corroded nozzle ring, incorrect scavenge air pressure, or a damaged compressor wheel. We stock compressor wheels, nozzle rings, and diffuser rings for ABB and Mitsubishi series. We can advise on the correct replacement parts based on your specific engine and operational symptoms.
What is the turbocharger bearing service kit, and do you supply it for KBB and IHI models?
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A turbocharger bearing service kit contains radial bearings, thrust bearings, sealing bushings, labyrinth seals, and the necessary O-rings and circlips for a complete bearing overhaul. We supply service kits for KBB (BH series), IHI (RH series), and Holset turbocharger models in addition to the major ABB and Mitsubishi brands.
Request a Quote
Contact us with your marine turbocharger requirements today. Our team will provide you with detailed information, pricing, and availability for premium reconditioned turbochargers and precision spare parts.