6R099TA51
6R099TA51 marine diesel engine for professional operators
The 6R099TA51 is a compact, high‑utility engine type developed for demanding duty cycles where uptime and predictable lifecycle cost matter. While it belongs to MTU’s 099 series, and benefits from the brand’s proven marine heritage, the spotlight here is the 6R099TA51 itself: a six‑cylinder inline diesel engineered for dependable propulsion and auxiliary power across a wide spectrum of vessel classes and stationary roles.
With a turbocharged and charge‑air‑cooled architecture (as the “TA” in its designation suggests), the 6R099TA51 balances responsive torque at low revs with stable continuous output. Its footprint and service-friendly layout make it a practical choice for newbuilds and repowers where space, access and fuel efficiency must align without compromising durability.
Technical profile: 6R099TA51 MTU marine diesel engine
The 6R099TA51 is based on a robust inline‑six configuration that favors smooth operation, excellent balance, and compact packaging. Depending on rating and configuration, it covers propulsion and auxiliary applications in coastal and inland fleets as well as in stationary generator sets. Operators value the engine’s consistent performance envelope and its adaptability to different cooling concepts (heat‑exchanger or keel‑cooling) and control philosophies (mechanically governed or electronically controlled, depending on build code).
Core characteristics typically include:
· Six in‑line cylinders for inherent mechanical balance and low vibration.
· Turbocharging with charge‑air cooling for strong low‑end torque and high power density.
· Continuous‑duty and intermittent‑duty ratings to match propulsion or genset needs.
· Speed ranges commonly aligned with marine classes: approx. 1,500–1,800 rpm for auxiliary power; up to roughly 2,100–2,300 rpm for propulsion ratings.
· Power classes in the low‑ to mid‑hundreds of kilowatts, depending on rating, emission variant, and installation.
· Flexible cooling and exhaust options to integrate with vessel systems and compliance requirements.
Construction emphasizes longevity: a rigid block structure with high‑strength crankshaft, efficient lubrication, and optimized thermal management supports long service intervals under continuous load. Fuel‑system execution is matched to the rating—prioritizing clean combustion, precise injection, and reliable starting behavior across a broad operating window. For shipyards and operators, the 6R099TA51 MTU marine engine is a practical, technically mature platform that reduces integration risk and simplifies lifecycle planning.
Applications and use cases for the 6R099TA51 diesel engine
The 6R099TA51 fits a wide variety of missions where compact power, reliability, and predictable OPEX are central to the business case. Typical deployments include:
· Propulsion for inland cargo vessels, pilot boats, patrol craft, fishing vessels, and workboats operating in moderate to high‑utilization profiles.
· Auxiliary generator sets on cargo vessels, passenger ships, offshore support vessels, and dredgers, where stable power and fuel efficiency are essential.
· Stationary power in shipyard facilities and port infrastructure, leveraging marine‑ready cooling and exhaust flexibility.
What makes the 6R099TA51 particularly valued is its combination of steady output, compact installation envelope, and serviceable design. The engine’s turbo‑matching and charge‑air‑cooling approach delivers responsive acceleration for maneuvering while maintaining the thermal robustness needed for continuous duty. The result is a 6R099TA51 MTU diesel engine that meets daily operational demands without adding complexity to maintenance procedures or parts logistics.
Key advantages of the 6R099TA51 MTU marine engine
· Inline‑six layout for smooth running and compact dimensions.
· Strong torque curve for harbor maneuvers and continuous steaming.
· Efficient turbo/aftercooler system for power density and fuel economy.
· Ratings for propulsion and auxiliary roles to maximize fleet flexibility.
· Installation options that suit keel cooling or heat‑exchanger systems.
· Serviceable design that supports fast turnarounds and planned maintenance.
· Proven component quality to underpin long service life.
OEM spare parts suitable for 6R099TA51: performance, reliability, service life
To protect output, efficiency, and emissions stability over time, operators should align their maintenance strategy with OEM spare parts suitable for 6R099TA51. Precision‑manufactured components preserve the calibrated relationships between pistons, liners, injectors, turbocharger, and charge‑air system. Dimensional accuracy, material integrity, and correct thermal behavior are essential to keep the 6R099TA51 diesel engine operating within its design targets—especially under continuous load profiles common in marine service.
Using OEM spare parts suitable for 6R099TA51 helps ensure:
· Consistent combustion quality and stable specific fuel consumption.
· Reliable starting performance and clean load acceptance.
· Proper turbocharger response and charge‑air temperature control.
· Maintained sealing surfaces, wear patterns, and bearing clearances.
· Sustained emissions conformity linked to injector, pump, and aftertreatment health.
For procurement teams, the value is twofold: technical assurance and operational predictability. Engines like the 6R099TA51 MTU marine engine respond directly to component precision; even small deviations in injector flow rates, valve train geometry, or sensor calibration can erode efficiency and shorten overhaul intervals. Sourcing OEM spare parts suitable for 6R099TA51 keeps fleets on planned maintenance schedules, reducing the risk of unplanned off‑hire and safeguarding lifecycle cost models.
MOPA is a reliable partner for OEM spare parts suitable for 6R099TA51. With knowledgeable support, fast handling, and clear documentation, MOPA streamlines procurement for 6R099TA51 OEM parts—covering critical components from fuel‑injection and air‑handling systems to cooling, filtration, and sealing elements. The result is a leaner supply chain and the confidence that replacements fit the engine’s intended performance envelope.
Conclusion: 6R099TA51 value and dependable parts supply
The 6R099TA51 stands out as a versatile inline‑six that combines compact installation, dependable output, and service‑friendly design for marine propulsion and auxiliary power. Its balanced torque characteristics and robust construction make it a practical choice for operators who need reliable performance day after day.
To keep that performance consistent over the long term, OEM spare parts suitable for 6R099TA51 are essential. MOPA supports purchasers and shipowners with responsive sourcing of OEM spare parts suitable for 6R099TA51, helping safeguard efficiency, reliability, and engine service life across the entire operational cycle.
Premium Valve Guide for High Machinery PerformanceOptimize the performance of your engines with our valve guide (comparison number: 3660530729). This product ensures that your machines operate flawlessly and is suitable for MTU engines. With precise manufacturing, this valve guide provides the foundation for maximum efficiency.Suitable for MTU - High-Quality FitThis product is suitable for MTU, specifically for series 099 and OM366. It also fits the engine types 6R099TA51 and OM366. The technically thought-out design promotes long-term stability and reliability of your engines.
SEALING RING with the comparison number 0209971148 suitable for MTU engines
Efficient Valve Stem Seal - Part Number 3660530158The valve stem seal with part number 3660530158 is a fundamental OEM replacement component for engine maintenance. This product belongs to the gasket category and provides ideal conditions for the smooth operation of your engines. With this seal, you significantly increase efficiency and reduce the risk of fluid losses.Easy Installation: Suitable for MTU Engines and ModelsThe valve stem seal is specifically designed for engines compatible with MTU, particularly for models 099 and OM366, as well as engine types 6R099TA51 and OM366. Its light weight of only 0.006 kg allows for simple and quick installation, which reduces costs and time during setup. Rely on the optimal fit and quality of our OEM replacement components.
Thermal Actuator 0052032775 – Your Essential ProductDiscover the thermal actuator (comparison number: 0052032775) that has been precisely developed for the MTU engine series 183. This OEM replacement part provides an ideal solution for ensuring optimal cooling performance. Weighing only 0.141 kg and with compact dimensions of 9.8 cm in length, 9.8 cm in width, and 6.9 cm in height, this thermal actuator is an indispensable product. Experience the benefits of a quality product that maintains the performance of your engines.Suitable for MTU Engines – Precision and ApplicationOur thermal actuator is not only of high quality but also features a precise fit and function. It is compatible with the mechanics of MTU engines such as 12V183AA51, 12V183TE52, 12V183TE92, 183, 6R099TA51, 8V183TE52, and 8V183TE93. As an OEM replacement part, it meets all requirements and thus provides the expected performance and reliability. With this product, you ensure that your cooling system operates precisely and keeps your engine’s temperature stable.
Can-Grooved Ball Bearing – Tailored SolutionsDiscover our top-quality grooved ball bearing (comparison number: 000625900208), which is particularly suitable for the 099 series of MTU engines. This product ensures that your engines run smoothly and achieve their maximum performance. Weighing only 0.06 kg, it meets the highest standards of precision and durability. Rely on high quality that supports your operational activities.Efficient Engine Solutions Suitable for MTUThe grooved ball bearing is compatible with engine types suitable for 6R099TA51. Our careful selection of components ensures that only OEM replacement parts are used. These OEM replacement parts impress with their exact fit and the reliability of optimally supplying your MTU engines. Thanks to advanced design, these components minimize wear and optimize the operating times of your machines.
Discover the Coolant Pump – Comparison Number 5052000401 The coolant pump with the comparison number 5052000401 is an essential product for the efficient cooling of your engines. This OEM spare part ensures optimal cooling performance. The coolant pump is ideal for use in demanding environments and provides reliable cooling function.
with the comparison number 0059970047 suitable for MTU engines
Cooler plate suitable for MTU engines Discover the reliable cooler plate suitable for MTU engines, specially designed for series 099 and engine types compatible with 6R099TA51. Weighing 0.14 kg, this OEM replacement part plays a crucial role in thermal regulation, ensuring optimal performance and efficiency. No matter the conditions under which your engine operates, the cooler plate is designed to provide maximum operation.High-quality OEM replacement parts Our cooler plate is offered as an OEM replacement part, which means you can rely on its excellent quality. The reference number 0002031946 ensures that you receive the exact compatible replacement part for your needs. Count on consistent performance. This item is ideal for marine and stationary applications.
Quality and Efficiency: Your Half-sealEnsure maximum performance with our Half-seal, comparison number: 0019974141. This product belongs to the Gaskets category and is suitable for MTU engines of the series 099 as well as for the engine type 6R099TA51. Weighing only 0.015 kg, it offers the perfect combination of lightweight design and robust construction.Advantages of OEM Replacement PartsOur Half-seal exemplifies OEM replacement parts that embody top-notch characteristics. This component is compatible with MTU engines and provides optimal fit. Unlike aftermarket parts, our product meets all requirements essential for high performance and reliability of engines. Choosing OEM replacement parts ensures you receive the quality and performance demanded by this essential component.
Efficient Oil Pump - Comparison Number 3661800401Discover our powerful Oil Pump with the comparison number 3661800401, suitable for MTU engines of the series 6R099TA51. This Oil Pump ensures that your high-performance engines always operate at their best. Weighing 3.757 kg, this replacement part offers stability and reliability for any application of your engines.
Gasket suitable for MTU engines – Your SolutionDiscover our premium gasket with the comparison number 3641840180, specially designed and tested to ensure safety and performance. This gasket is suitable for MTU engines of the series 099 and optimally tuned to the engine type 6R099TA51. Features such as its light weight of only 0.005 kg make this gasket an essential component in all areas of marine and stationary application technology.Comparison Number and Metric for Your RequirementsThe comparison number 3641840180 designates our gasket, which is designed to meet the highest quality standards. You can rely on comprehensive traceability and durability, as the gasket was developed suitable for MTU engines. Therefore, you will find the ideal product for the benefit of your engines with us.
Efficient Component: Valve Tappet 3520540501Discover our product Valve tappet with the part number 3520540501, which is crucial for the functionality of your engine. This component is an indispensable part of the valve train and offers the reliability you would expect from quality replacement parts. It proves to be the perfect selection criterion for potential applications in your engine project.Suitable for MTU Engines and Other ApplicationsThis valve tappet is suitable for the renowned manufacturer MTU and compatible with the series 099 and OM366. Additionally, the replacement part is specifically designed for the engine types 6R099TA51 and OM366. The custom manufacturing ensures an optimal fit and function, allowing your engine to achieve maximum performance.
Precise Solutions: Gasket Set 3660100680Discover the gasket set with the unique comparison number 3660100680, specifically designed to optimize the performance of your engine. This product belongs to the group of gaskets and is an essential OEM replacement part, particularly recommended for applications in the field of MTU engines. By choosing this product, you are bringing quality and efficiency into your business.Optimally Suited for MTU EnginesThe gasket set is suitable for MTU engines of series 099 and designed for engine types such as 6R099TA51. The use of top-quality materials ensures durability and reliable functionality. Production standards as OEM replacement parts ensure that all gaskets can be perfectly integrated into the functionality of your engine, thereby enhancing efficiency.
Premium Molded Tube - Quality for Your ApplicationsDiscover our modern Molded Tube, available under the reference number 5059970482. This product stands out due to its quality and durability and is an essential component in the category "Gears and toothed wheels". Weighing only 0.44 kg, the Molded Tube is ideal for supporting the functionality of your engines.Suitable for MTU Engines of Series 099The Molded Tube is suitable for MTU engines of the series 099 and specifically designed for the engine type 6R099TA51. As an OEM spare part, we ensure that this product provides precisely the performance you can expect from a top-quality component. Your satisfactory operating experience is our priority.
Impeller for Reliable Pumps The impeller with the comparison number 3662000204/02 is an essential product for all who rely on powerful pumps in their applications. This valuable OEM replacement part offers the quality and durability you expect from professional OEM spare parts. It is ideally suited for intensive use under challenging conditions.Suitable for MTU Engines The impeller is ideally compatible with MTU, particularly for engine types such as the 6R099TA51 and series 099. This ensures that the components work seamlessly together and your systems are operated efficiently. Rely on this high standard for the performance of your engines.
Optimal Toric Seal for Your ApplicationDiscover our toric seal, an essential OEM replacement part that optimizes your engine management. With the reference number 700429054000, this toric seal is specifically sized for motorized applications. It belongs to the gasket category and ensures that the crucial components of your machine remain efficient at all times. The product is compatible with various MTU engine types such as the 10V2000M93, 12V2000M70, and many more. Trust in the quality of the product with the reference number 700429054000 for your MTU engines.
Inlet Valve – Product DescriptionDiscover the inlet valve, comparison number 3660501226, designed for maximum efficiency in MTU engines. This OEM replacement part has been precisely developed to offer maximum performance and reliability in your engine. With the article group valves, you are ideally equipped for various models, compatible with 6R099 and OM366. Rely on the best features of this product to ensure your engine operates reliably.Technical Specifications – Overview of DetailsThis inlet valve is an essential component for all engines designed for MTU engines (such as 6R099TA51). Weighing only 0.12 kg, it offers both lightness and significant functionality. As an OEM replacement part, it impresses with its quality-checked workmanship, ensuring long-lasting use and optimally protecting your investment.
Ball Bearings for Your Engine OperationsDiscover our ball bearing with the comparison number 8699810017, an essential component that stands out for its high quality. This ball bearing is suitable for MTU engines, particularly for the series 331 and the engine types 12V331TC92 and 6R099TA51. Weighing just 0.2 kg, it not only offers lightness but also durability.
Cylinder Liner: An Essential Component for EnginesDiscover the cylinder liner with the comparison number 3660110610, which is indispensable for the smooth operation of your engines. This product is classified under the group of crankcase parts. It is suitable for various MTU engines, specifically for the series 099 and OM366, as well as the engine types 6R099TA51 and OM366.Quality You Can Rely OnWeighing 1.133 kg, this cylinder liner provides the necessary stability and reliability that you expect from a high-quality component. Its precise fit is crucial for optimal performance of MTU engines under various operating conditions. This is of great importance for anyone requiring durable and powerful engines.
Valve Stem Seal with Comparison Number 3660530058The Valve Stem Seal with the comparison number 3660530058 is an essential spare part for efficient engine maintenance. This product functions as a seal in specific applications that are suitable for MTU engines of the series 099 and the engine type 6R099TA51. Weighing only 0.006 kg, it facilitates handling and replacement in demanding environments.Suitable Solution for MTU EnginesThe Valve Stem Seal provides a precise solution that has been developed for MTU. Its design ensures effective sealing, protecting the engine from external influences and creating space for optimal efficiency. The quality of our spare parts ensures that engines can achieve their full performance, which is increasingly important in various environments.
Precision Components for Demanding EnginesDiscover the valve seat with the comparison number 3660533531, an indispensable product that comes from the category of OEM spare parts. This component not only provides an ideal fit but also ensures maximum functionality, allowing your machines to operate efficiently at all times.Reliable Performance in Stock MTU EnginesThis valve seat is suitable for MTU engines and ensures smooth operation. Designed for the series 099 and specifically for the engine type 6R099TA51, it meets the strictest standards and is your reliable partner in maintenance. Weighing only 0.028 kg, the valve seat delivers the performance you need to avoid costly breakdowns.
Premium Sealing Ring Compatible with MTU EnginesThe sealing ring with the comparison number 0249972848 is a top-quality OEM replacement part that has been specially developed to ensure reliable sealing in engines. This product is not only essential for functionality but also for the longevity of your machine. Use this sealing ring to optimize the performance of engines compatible with MTU engines, including the series 183 and the types OM355 and OM366.
Gasket Suitable for MTU Engines – Reliable QualityDiscover the gasket with the part number 5052030580, an essential OEM spare part that is ideally suited for various MTU engines. This gasket is part of the group "gaskets" and is compatible with the series 2000, 183, and 099. It provides a precise fit for engines such as 10V2000M93, 12V183AA51, 12V183TE92, 12V2000M70, 12V2000M93, 16V2000M90, 6R099TA51, 8V183TE52, and 8V183TE93. Rely on secure sealing and lasting performance when using this gasket.Light and Practical – Your Lightweight ChallengeWeighing only 0.004 kg and with handy dimensions of 8.3 x 8.3 cm and a height of 0.2 cm, this gasket is easy to handle and transport. These benefits make it the ideal OEM spare part for repair and maintenance tasks. Where reliability and efficiency are required for MTU engines, the gasket ensures that your demands are met.
Premium Piston for Top PerformanceDiscover our outstanding product, the Piston, which leads in the category of Engine drive components. The reference number 3660307317 confirms that it is an OEM replacement part that is optimally compatible with MTU engines. This OEM replacement part offers you precision and durability, especially in demanding applications.