There are two main types of inboard engines: diesel and gasoline. Diesels are more common and are better suited for marine propulsion, developing more torque than gasoline engines.
These engines are found primarily on medium-sized professional and commercial vessels, yachts and other recreational craft. Those for professional use are referred to as commercial marine engines on NauticExpo.
Diesel engines compress an air-fuel mixture (diesel, fuel oil or vegetable oil) to the point of ignition without the need for a spark. Modern inboards have a four-stroke combustion cycle. Two-stroke versions are ships motors.
Choice will depend on the engine's:
- Technology
- Consumption
- Weight
- Power
- Torque
A indirect injection, naturally-aspirated engine will be easier to repair because it is mostly mechanically controlled. Its fuel consumption is higher than a common rail, variable geometry turbo model or one with exhaust gas recirculation. Power and torque curves should be compared as a function of motor rotation speed, taking into account whether the hull type is fundamentally fast or slow.
- Reduced fuel costs
- Higher torque
- Heavier than gasoline engines
- Noisy
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The world’s most powerful diesel sterndrive. Volvo Penta’s 6-cylinder D6-400 is developed from the latest...
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VETUS ELECTRONIC ENGINE MANAGEMENT, TYPE EMR2 VETUS DEUTZ engine types DT44, DT66 and DTA67 are also available with EMR electronic engine management. The VETUS EMR2 is a powerful microprocessor unit, deriving its information from a number of engine...
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If you have a high horsepower marine application you'll definitely want to check out our new 13.5L engine. It delivers reliable and durable power up to 559 kW...
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Yanmar has developed a new 4.46 litre twin-turbo V8 diesel engine, coupled to a sterndrive or gearbox. The 8LV will be offered at 320 mhp (235 kW) and 370 mhp (272 kW). The engine is EPA Tier 3 compliant. It will be shown to the public for the first time at the 2011 Düsseldorf Boat Show. The compact 8LV diesel can be installed in single or twin configration, with the new, hydrodynamic Yanmar...
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66.5 kW (90 CV) @ 2800...
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These engines offer high quality, high performance, high efficiency, low noise and low emission and are widely used for marine applications. Design...
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12-litre, 16-litre or our new 13-litre engine. Whichever you choose, you take on board power plants that are developed for heavy duty operations, delivering impressive power, immediate response and the feeling of absolute trust and reliability. Power is important, no doubt about that. But even more important...
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Engine Model: S60 Rated power ICFN kW (bhp): 466 - 615 (625 - 825) Speed rpm: 2300 No. of cylinders: 6 Bore/stroke mm (in): 133/168...
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Yanmar has developed a new 4.46 litre twin-turbo V8 diesel engine, coupled to a sterndrive or gearbox. The 8LV will be offered at 320 mhp (235 kW) and 370 mhp (272 kW). The engine is EPA Tier 3 compliant. It will be shown to the public for the first time at the 2011 Düsseldorf Boat Show. The compact 8LV diesel can be installed in single or twin configration, with the new, hydrodynamic Yanmar...
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Yanmar has developed a new 4.46 litre twin-turbo V8 diesel engine, coupled to a sterndrive or gearbox. The 8LV will be offered at 320 mhp (235 kW) and 370 mhp (272 kW). The engine is EPA Tier 3 compliant. It will be shown to the public for...
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Caterpillar offers power solutions for global customers through a...
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Round the clock and in every weather, workboats, pilot and patrol craft are in operation, carrying...
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Round the clock and in all weather conditions, workboats, pilot and patrol craft are in operation, carrying...
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Configuration In-line, 6 cylinder, 4 stroke diesel Aspiration...
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A unique developed 2 cylinder parallel twin Marine Diesel engine the MO32 based on the robust STEYR MONOBLOCK design - allows a very compact design and offers...
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Standard Specification The Beta 150 has been specially developed for commercial Fishing Boats, Launches, Wide Beamers and Dutch Barges. It is a heavy duty - 6 cylinder - naturally aspirated - direct injection - marine propulsion diesel engine. Its outstanding asset is the slow speed / high torque of 450Nm developed at 1,700 rev/min from an engine of solid construction that is not only...
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Initially designed for Alaskan fisherman, Luggers are well known by commercial and pleasure craft operators for their long life and smooth, quiet operation. The L1064T1 features a mechanical fuel delivery system and liquid cooled turbocharger for enhanced fuel effeciency. Ideal...
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Bore and stroke 105 x 130 mm Number of cylinders 6 in line Total displacement 6.75 litres Compression ratio 18/1 Engine rotation (ISO 1204 standard) CCW * Idle speed 650 rpm Weight (without water & oil) 750 kg Flywheel housing SAE 3 Flywheel SAE 11.5" STANDARD EQUIPMENTS > Engine and block Cast iron cylinder...
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Mercury Diesel QSD common rail or electronic injection fuel systems provide increased power-to-weight ratios, cleaner starts and less noise for a superior boating experience. The QSD line of engines are built lightweight, compact and provide increased power for impressive acceleration,...
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The design of the T6.300 is based on the 6 cylinder diesel engine which is used and tested on the Land Cruiser 4x4. The robustness of its engine block and its cast iron cylinder...
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In designing the engines, consideration was given to their intensive use and to the desirability of easy and simple maintenance. These engines...
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Configuration 4-stroke cycle, twin camshaft, 16v Maximum output at crankshaft 110 kW/150 hp at 4000 rpm Maximum torque 311 Nm at 2500 rpm Displacement 1.910 c.c. Bore x stroke...
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Base Engine Manufacturer: DEUTZ Fuel Type:...
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They comply with the Tier standards which have been made technically possible through the incorpo- ration of pre-combustions chambe injection...
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The H engine rated for Heavy Duty takes Hyundai SeasAll into a new dimension with the ability to serve the professional and commercial...
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New High-Performance, Low Emission Diesel The new U-engine family brings the boating additional benefits of diesel power for boats which, in the past, were limited to...
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To create SCAM DIESEL marine engine we employed our extensive experience in marine engine marinization and diligently chose KUBOTA as a marine base engine. The following is achieved using the new construction: • greater power • more torque • cleaner exhaust fumes Original 4 vent system is able to drastically decrease...
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This outstanding six cylinder 10.45 litre engine offers the greatest degree of efficiency, durability and refinement. The specific fuel consumption rate of the engine when directly...
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Environmentally friendly - Satisfies the requirements of IMO Annex VI Stage 1, marine legislation Most compact package in its class - Offers boat design flexibility - easier new boat and repower installation Premium engine features for reliability and durability - Minimises down time and...
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The engine mod 12 4v 21 it is a totally mechanic controlled engine with a unique power to weight ratio: 1750 kg 1500 hp and it is...
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The BMW Marine Diesel Range: A new class of engines with new, convincing merits The BMW D 35/D 50 marine diesels offer the merits of BMWs progressive engine technology for sailing yachts, displacement boats, and cabin cruisers. After careful preparation and thorough testing, BMW has now...
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* KUBOTA Diesel Engine * Blue Molded Silicone Hoses * Multiple Cylinders for Smooth Operation with Minimum Vibration * Three Vortex Combustion System to Reduce Noise, Lower Emissions, & Increase Fuel Economy * Glow Plugs for Cold Weather Starting * Z-F Industries / Hurth Marine Gear * Fresh Water Cooling System *...
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The Craftsman Marine engines are an ideal answer for those who are looking for the best quality-price ratio. Powerful, robust and reliable,...
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This series of exceptionally light and compact engines, features very high reliability in every condition; furthermore, this specific project has been carried out in order to optimize durability and low fuel consumption without reducing the performance of the engine. 4 stroke marine diesel engines (LDW 502 M, LDW 702 M, LDW 1003 M, LDW 1404 M), fresh water cooled via heat exchanger, complete...
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SUITABLE FOR: • work boats • pleasure boats • propulsion and auxiliary applications BASIC ENGINE CHARACTERISTICS • 2 or 3 cylinders • air cooled • direct injection • naturally aspirated ■ durable,...
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The Mermaid Power 'MP' range brings traditional design and simplicity along with the pedigree of high quality you would expect from a hand finished, purpose built marine diesel from Mermaid. These engines are suitable for a...
