TBD441
TBD441 marine diesel engine: performance profile and sourcing insights
The TBD441 is a proven medium‑speed diesel engine that has powered countless vessels and stationary installations for decades. While it belongs to the 441 series developed by MWM & Deutz, the focus for operators has always been the robust, serviceable design of the TBD441 itself: a turbocharged and charge‑air‑cooled workhorse built for reliable output under continuous load. For purchasers, shipowners, and technical decision‑makers, the TBD441 offers a balanced combination of power density, fuel efficiency, and maintainability that keeps assets productive on demanding duty cycles.
TBD441 technical characteristics and engineering highlights
As a marine and industrial prime mover, the TBD441 is typically supplied in V‑configuration variants designed for propulsion and auxiliary generation. Depending on the build and classification, common configurations include multi‑cylinder V‑arrangements engineered for dependable continuous operation. The engine’s architecture emphasizes a rigid crankcase, high‑strength crankshaft and connecting rods, and efficient thermal management via turbocharging and intercooling. Fuel systems are configured for marine distillates (MDO/MGO), with injection equipment tailored to stable combustion and clean exhaust profiles within the constraints of legacy platforms.
Key performance ranges for the TBD441 diesel engine include:
• Cylinder configurations: V‑type multi‑cylinder variants suited to propulsion and genset duty
• Output classes: approximately 1,000–3,000 kW for propulsion, and roughly 1.0–2.5 MWe in generator applications (application‑ and tuning‑dependent)
• Speed ranges: typically in the 900–1,500 rpm band for medium‑speed operation, with propeller law optimization for marine drivetrains
• Displacement: large‑bore, long‑stroke geometry delivering strong low‑end torque and steady continuous rating
The result is a TBD441 marine engine that is valued for steady torque across the mid‑rpm range, straightforward service access, and parts commonality across the 441 series family. Operators appreciate how the TBD441 integrates with mechanical or hybridized control systems and how it tolerates long operating hours between major overhauls when maintained to specification.
- · Medium‑speed diesel design for continuous duty.
- · Turbocharged with charge‑air cooling for higher efficiency.
- · Proven V‑configuration with durable bottom‑end components.
- · Power range suitable for propulsion and auxiliary generation.
- · Designed for marine distillate fuels and stable combustion.
- · Strong parts ecosystem and service know‑how worldwide.
- · TBD441 OEM parts availability supports predictable lifecycle costs.
Applications of the MWM & Deutz TBD441 marine engine
The TBD441 is widely deployed across blue‑water and near‑shore fleets as well as land‑based power systems. In maritime operations, its balance of torque and fuel economy makes it a fit for controllable‑pitch or fixed‑pitch propulsion lines and for auxiliary generator sets that power hotel loads, cargo handling, and mission equipment.
TBD441 use cases in vessels and stations
• Cargo vessels and feeders: propulsion and auxiliary power with reliable loading response for harbor maneuvers and sea passages.
• Passenger ferries and RoPax: steady electrical generation and propulsion where schedule adherence depends on a dependable medium‑speed platform.
• Offshore supply, tug, and workboats: high torque at practical rpm for bollard pull, DP operations, and deck equipment.
• Dredgers and specialized craft: constant‑load profiles where the TBD441 diesel engine maintains efficiency under prolonged operation.
• Stationary power plants: baseload or prime‑power generator sets in remote sites, ports, or industrial facilities, often configured as 50/60 Hz packages.
Why is the TBD441 particularly common and valued? The answer lies in its engineering moderation: it avoids extremes in peak cylinder pressure and specific output, favoring component longevity and predictable overhaul intervals. The design integrates well with standard marine gearboxes, resilient mountings, and class society requirements. Parts logistics are mature, and technical documentation is well understood in shipyards and power service companies. For operators seeking a dependable platform with manageable lifecycle costs, the TBD441 by MWM & Deutz remains a practical choice.
From an SEO perspective for procurement teams, the search terms “TBD441 marine engine,” “TBD441 diesel engine,” and “TBD441 OEM parts” frequently align with projects involving life extension, repowering, or fleet standardization—scenarios in which the 441 series offers proven compatibility and performance headroom.
OEM spare parts suitable for TBD441: performance, reliability, service life
Operational reliability depends heavily on the precision and material integrity of components exposed to thermal and mechanical stress. OEM spare parts suitable for TBD441 are engineered to fit the engine’s original design intent, maintaining combustion geometry, clearances, and tolerances that directly influence fuel efficiency, emissions stability, and vibration behavior. When components such as injectors, turbocharger cartridges, cylinder liners, pistons, bearings, and valve train parts conform to the correct specifications, operators preserve baseline performance while minimizing unplanned downtime.
Why does this matter for lifecycle economics? Using OEM spare parts suitable for TBD441 helps secure consistent condition monitoring values (e.g., lube oil analysis, exhaust temps, and vibration signatures), which enables longer, predictable maintenance intervals. It also supports repeatable overhaul outcomes across sister vessels or multi‑unit power plants, simplifying spares planning and technician training. In short, it sustains the asset’s productivity profile over many service years.
MOPA is a reliable partner for OEM spare parts suitable for TBD441, supplying critical components and consumables with application support. From identification of correct part codes to logistics and documentation, MOPA helps procurement teams keep engines on spec and on schedule.
Conclusion: TBD441 value and secure parts supply
The TBD441 combines dependable medium‑speed performance with practical maintainability, making it a favored choice for propulsion and auxiliary power in diverse marine and stationary settings. Its balanced engineering and wide service base translate into predictable operations and controlled lifecycle costs.
To protect performance and service life, OEM spare parts suitable for TBD441 are essential, and MOPA provides a dependable supply and technical support for these components. For operators planning overhauls or fleet standardization, aligning the TBD441 with the right parts strategy is a proven path to reliable, efficient operation.
Bearing Bushing compatible with MWM & Deutz enginesThe bearing bushing with the comparison number 12171257 is an essential replacement part specifically designed for applications in marine and stationary engines. This product is suitable for MWM & Deutz engines of the series 441, particularly the engine type TBD441. Especially for wear-intensive components, this replacement part ensures stability and reliable performance in demanding operational areas.Precise dimensions for optimal useWith dimensions of 4.2 cm in length and width and 3.3 cm in height, the bearing bushing is compact and efficient. Weighing only 0.085 kg, it is easy to handle and integrate into the engine system. When searching for a trustworthy replacement part that clearly meets the requirements for MWM & Deutz engines, this bearing bushing is the right choice. Those who prioritize quality for their replacement components can rely on this product.
Gasket: Comparison Number 12172372This gasket with the comparison number 12172372 offers you a reliable solution. Manufacturing and quality standards have been adhered to strictly, ensuring that the product delivers excellent performance. It is specifically designed to fit MWM & Deutz engines of the series 441. This quality is essential for optimizing your engine's efficiency and maximizing its longevity.Fit for MWM & Deutz EnginesThe spare part is suitable for MWM & Deutz engines, particularly the engine types TBD441. The exact fit is crucial to achieve optimal results. With dimensions of 31.9 cm in length and width and a height of 1 cm, this gasket aims to provide you with optimal performance. Additionally, its light weight of 0.033 kg simplifies installation and handling.
Discover the Valve Cone 644004600014The valve cone with the comparison number 644004600014 is a high-performance product designed to optimize the functionality of your engines. As a significant component in the field of valve train components, this replacement part is suitable for MWM & Deutz engines of series 441, including the engine types TBD441. Weighing 0.809 kg, this valve cone offers the perfect balance between robustness and efficiency.OEM Replacement Parts for Maximum AvailabilityAs a provider of OEM replacement parts, we offer products in original equipment manufacturer quality. The valve cone 644004600014 meets high standards and is specifically designed to ensure an exact fit and long-lasting use. With the high precision of our product, you minimize downtime and optimize the performance of your systems in industrial applications.
Toric Seal: Essential for Marine and Stationary UseDiscover our toric seal, an essential product for your engines. This OEM replacement part is ideal for applications where quality and reliability are required. With the comparison number 01153839, this toric seal is suitable for MWM & Deutz. By using this product, you ensure optimal sealing performance and extend the lifespan of your engines, suitable for the series 441 and engine type TBD441.Quality Gasket for Maximum EfficiencyAs an OEM replacement part, the toric seal offers extensive benefits. It has been developed to meet the high demands of MWM & Deutz engines. The processing of the sealing material ensures you have control over potential fluid losses and provides consistent performance from your engines. With a size of 6.1 cm in width and length and 0.4 cm in height, this toric seal is compact and easy to install.
Cylinder Liner: The Ideal Spare Part for Your EngineDiscover the cylinder liner with the comparison number 644001320014. This product belongs to the category of crankcase parts and offers quality and reliability for your needs. The cylinder liner is designed to meet the high demands of various applications.Suitable for MWM & Deutz EnginesThis OEM spare part is suitable for MWM & Deutz engines and is specifically designed for the series 440 and 441. The cylinder liner is optimally designed for the engine types TBD440, TBD440-6, and TBD441. Weighing 50 kg, this robust product impresses with its durability and strength in challenging environments.
Cylinder Liner for Your ApplicationsDiscover our Cylinder liner with the comparison number 644001320017, which is ideal for your MWM & Deutz engines. This product belongs to the category of Crankcase parts and ensures that you provide the best conditions for your engines. Weighing 50 kg, this Cylinder liner provides stability and reliability in demanding applications.
Efficient Injection Nozzle for Your Engine NeedsDiscover the injection nozzle with the comparison number 605300130003 – a high-quality replacement part specifically designed for application in engines. This product is suitable for MWM & Deutz and ensures that your engines operate optimally. The precise technology of the injection nozzle ensures outstanding performance and efficiency of your machines in marine and stationary use.
Taper Face Compression Ring for Reliable Engine PerformanceDiscover the Taper Face Compression Ring with the comparison number 605032102301, an essential OEM spare part specifically designed for applications suitable for MWM & Deutz engines. This Taper Face Compression Ring is an important component in our category of OEM spare parts, known for outstanding performance and durability. Rely on our many years of experience in the distribution of spare parts for engines in marine and stationary applications.
Optimal Valve Guide for Reliable Engine Performance Discover our Valve guide with the comparison number 644003320064, the optimal solution for your requirements for engines used in marine and stationary applications. This important component of the Valve train components offers excellent functionality and reliability. Suitable for MWM & Deutz engines, this part is the right choice for your business.
Efficient Toric Seal with Comparison Number 604931240543Discover our toric seal, whose comparison number 604931240543 ensures you a top-quality product designed for specific series. This toric seal belongs to the group of "gaskets" and is perfectly suited for engines manufactured for MWM & Deutz. Precise gaskets are crucial for the reliability of your engines and promote long-term efficiency.
Half-ring suitable for MWM & Deutz enginesDiscover the ideal solution for your operational needs with the half-ring (comparison number: 644003400564), a sophisticated spare part that is essential for the performance of engines. This product is compatible with MWM & Deutz engines of series 440 and 441, particularly for the engine types TBD440-6 and TBD441. Weighing only 0.196 kg and with compact dimensions of 25 cm in length, 25 cm in width, and 1.2 cm in height, this OEM spare part is precisely constructed and effective for your industrial applications.Precise construction for enginesOur half-ring, listed under comparison number 644003400564, offers precision and durability. This OEM spare part is suitable for MWM & Deutz engines and impresses with top-quality materials that enable reliable functionality. Its easy integration into existing systems allows you to expect a long-lasting operational solution.
Gasket with Comparison Number 644008510244 in DetailDiscover the gasket with comparison number 644008510244 – an essential spare part for efficient engines. This gasket belongs to the category gaskets and is suitable for MWM & Deutz engines. With its careful design, this OEM spare part offers excellent accuracy and can be easily installed to support the functionality of your equipment.Reliability for MWM & Deutz EnginesWith a gasket that is suitable for MWM & Deutz engines, you ensure the quality needed for specialized applications. Weighing only 0.03 kg, it facilitates replacement and minimizes downtime. Ideal for marine and stationary applications, this gasket ensures that your machines can operate flawlessly under pressure.
Precision Piston, compl. for Optimal Engine PerformanceOur Piston, compl. with the comparison number 644001600147 is the ideal replacement part to significantly enhance the performance of your engines. This product belongs to the category Gears and toothed wheels. It has been specifically designed to work optimally with MWM & Deutz engines – particularly suitable for engines compatible with the series 441.Precision for Effective ApplicationsAs a reliable replacement part, the Piston, compl. offers a precise fit and a long lifespan, which is especially important for MWM & Deutz engines. Your requirements in the field of engine components are excellently covered. Experience the benefits you can achieve with our suitable spare part.
Precise Valve Cone for Excellent Engine PerformanceThe valve cone with the comparison number 12171288 is the ideal replacement part to maximize the performance of your machines. This OEM replacement part fits perfectly for MWM & Deutz engines, the development series 441, and the specific engine types TBD441. Rely on quality that keeps your engines efficiently operational and minimizes disruptions.Efficient Solution for Engines The product is carefully manufactured and features a durable design. Weighing 0.809 kg, the valve cone offers an excellent balance between robustness and functionality. As it is an OEM replacement part, the comparison number 12171288 ensures a fit that is precisely tailored to the requirements of MWM & Deutz engines. Opt for reliability and longevity in your engines.
Premium Cylinder Head Gasket for Reliable Engine ApplicationsDiscover our top-quality cylinder head gasket, which plays an essential role in the performance of your engines. With the comparison number 604920802551, we present to you a product that meets high standards. This cylinder head gasket is suitable for MWM & Deutz engines and optimized for series 440 and 441 as well as engine types TBD440-6 and TBD441.
Piston Pin – Comparison Number 60502041000 in DetailThe piston pin, an essential OEM spare part in the field of engine drive components, has the comparison number 60502041000. This product optimizes the performance of your engines through a precise connection between the piston and connecting rod. In demanding applications, this piston pin provides stability and is therefore the ideal choice for versatile uses.Compatible with MWM & Deutz EnginesThis OEM spare part is compatible with MWM & Deutz engines, covering the series 440 and 441. It is also suitable for the engine types TBD440-6 and TBD441. By closely aligning with the technical requirements of the respective engines, exceptional accuracy is achieved, which enhances operational efficiency and extends lifespan.
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Premium Valve Collet with Comparison Number 12171328Discover the valve collet with comparison number 12171328, a crucial product for your engines. As part of the group of valve train components, this OEM replacement part ensures you always receive performance and reliability. Weighing only 0.04 kg and with compact dimensions of 4.7 cm in length, 4.7 cm in width, and 2.4 cm in height, it represents top-notch quality through precise engineering.Customized Solutions for MWM & Deutz EnginesThe valve collet is suitable for MWM & Deutz engines, specifically for the series 440 and 441. This compatible solution offers straightforward installation and optimal functionality. You can rely on the use of OEM replacement parts that support the performance of your machines and extend their lifespan. Investing in this product means you ensure the efficiency of your systems in the long term.
Product Description: Circlip for Engine Applications Discover our quality product, a Circlip suitable for Deutz engines and their specific models. With the comparison number 358/110/141, this connecting element is a central component that ensures optimized performance in your machines. Rely on an OEM spare part that meets high standards and supports your engine applications with maximum efficiency.Suitable Applications for Deutz Engines Our Circlip is compatible with the models 440, 441, and 444, ensuring that you achieve the best results with your Deutz engines. This compact OEM spare part, weighing only 0.04 kg, fits seamlessly into various engine types. With a length and width of 10.5 cm each and a height of 0.4 cm, installation is no problem even in limited space. Protect your machines and enhance their performance with a tested product designed for demanding applications.
Precise Injection Nozzle - Comparison Number 12152978 Discover our injection nozzle with the comparison number 12152978, an essential component for your applications. This injection component ensures optimal fuel flow and contributes to efficiency and longevity. As an OEM replacement part, it meets the highest quality standards and is suitable for MWM & Deutz engines of the 441 series, particularly fitting for the engine types TBD441.
Precise Performance: Product Suitable for MWM & Deutz Discover our Injection components "Element" with the comparison number 606901720302, an essential OEM spare part for your applications. This product is ideal for diesel and gas engines and offers user-friendly installation. Each "Element" is precisely crafted to help you maximize the efficiency of your systems.Ensuring Compatibility for MWM & Deutz Engines The Injection components "Element" is suitable for MWM & Deutz. Particularly in conjunction with the series 441, businesses can rely on top performance. The product proves to be extremely reliable and meets the high demands of the industry, making it an excellent choice for smooth operations.
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Discover the Piston with the comparison number 644001600144 Present yourself with our certified Piston, identifiable by the comparison number 644001600144. This product belongs to the category of Engine drive components and is offered as an OEM replacement part. The precise manufacturing ensures excellent fit – a must for efficient engine management.Technical Specifications for Maximum Performance Our Piston is suitable for MWM & Deutz engines of series 440 and 441. Weighing 20 kg and measuring 22.6 cm in length and width, with a height of 31.8 cm, this OEM replacement part provides you with the reliability needed for the operation of your engines. These specifications offer easy installation and the necessary stability for operating your machinery under various conditions.
Perfect Fit: Valve Seat for Your ApplicationsThe valve seat (comparison number: 12170823) is an essential component for the smooth operation of demanding machinery. This valve seat is suitable for MWM & Deutz engines of the series 441, particularly for the engine type TBD441. Its excellent design not only conserves resources but also optimizes efficiency in marine and stationary applications where the highest precision is required.Features and Benefits of the Valve SeatWeighing just 0.22 kg, the valve seat offers various advantages. It features precise tolerances and tested materials that provide a long subjective lifespan. With the comparison number 12170823, this product ensures outstanding performance and helps keep your MWM & Deutz engines durable and efficient.