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The design evolution within Yanmar's technology creates engines which not only perform, but also last and last. That's our mission. This has led to a worldwide reputation for unsurpassed reliability. These engines are the most compact and powerful in their class. The 24-valve overhead cam valve train is the main driver of this success. And, not to forget, the water cooled wastegated turbocharger, intercooler and fuel cooler, which maintain peak performance.
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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 head as well as the efficiency of the different heat exchangers that compose the marinization developed by Nanni Diesel give you the assurance of quality, reliability and longevity that have already convinced many renowned boat builders.
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The design of the 6.420 TDI 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 head as well as the efficiency of the different heat exchangers that compose the marinization developed by Nanni Diesel give you the assurance of quality, reliability and longevity that have already convinced many renowned boat builders.
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Cummins MerCruiser Diesel's Quantum engines are the result of decades of research and cutting-edge innovations. You can count on Quantum engines for:
- Instant start-up in cold weather
- Virtually smoke and od
- Lighter weight with increased power
- Simplified engine information management
- 80% less noise at idle on the QSB Series
- SmartCraft vessel integration
- Unmatched durability
- EPA Tier 2, IMO and RCD certifications
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Cummins MerCruiser Diesel’s Quantum engines are the result of decades of research and cutting-edge innovations. You can count on Quantum engines for:
- Instant start-up in cold weather
- Virtually smoke and od
- Lighter weight with increased power
- Simplified engine information management
- 80% less noise at idle on the QSB Series
- SmartCraft vessel integration
- Unmatched durability
- EPA Tier 2, IMO and RCD certifications
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The 12.5L six-cylinder engine is offered as either a propulsion or gen drive engine in either keel cooled or heat exchanger configurations. The engines are either turbocharged, non-aftercooled, turbocharged with jacket water aftercooling or turbocharged with sea water aftercooling. The propulsion engines feature constant power to 400 rpm below rated speed, making these engines an excellent choice for launches, work boats, trawler yachts, and patrol craft.
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Imagine a sedan bridge yacht that performs like a sportboat. The Volvo Penta IPS 500 is a revolutionary new propulsion system that offers dramatic improvements in fuel economy, handling, acceleration, comfort, emissions and space.
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6 CYLINDERS IN LINE - DIESEL CYCLE
206 kW (280 CV) @ 2800 rpm (A1)
191 kW (260 CV) @ 2800 rpm (B)
169 kW (230 CV) @ 2800 rpm (C)
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400 bhp - 2000 rpm
CHARACTERISTICS
Diesel engine, 4 stroke, direct injection, turbocharged, with charge air intercooling.
TECHNICAL DESCRIPTION
Cast iron cylinder block, highly ribbed
Main bearing caps semi imbedded with vertical attachment
Built up centrifugal cast iron liners, wet type
Separate cylinder heads with large water circulation sections
Attachment of each cylinder head in eight points by high strength bolts
2 valves per cylinder head, with built up guides and seats
Special forged hardened steel crankshaft, with integrated counterweights and hardened journals and connecting radius
Camshaft side mounted in cylinder block on 7 bearings
Distribution system with tempered special steel straigh teeth type gears
Chrome - molibdenum forged steel connecting rods with straigh head cut
Light alloy pistons cooled by continuous oil jet from fixed nozzles
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Cummins MerCruiser Diesel’s Quantum engines are the result of decades of research and cutting-edge innovations. You can count on Quantum engines for:
- Instant start-up in cold weather
- Virtually smoke and od
- Lighter weight with increased power
- Simplified engine information management
- 80% less noise at idle on the QSB Series
- SmartCraft vessel integration
- Unmatched durability
- EPA Tier 2, IMO and RCD certifications
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6 CYLINDERS IN LINE - DIESEL CYCLE
272 kW (370 CV) @ 3000 rpm (A1)
243 kW (330 CV) @ 3000 rpm (B)
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Volvo Penta's 6-cylinder D6-370 is developed from the latest design in modern diesel technology.
The engine has common rail fuel injection system, double overhead camshafts, 4 valves per cylinder, turbocharger, compressor, and aftercooler. The interaction of these, the large swept volume, and the EVC system results in exceptional diesel performance combined with low emissions.
The D6-370/DPR is suitable for both single and twin engine installations in speeds above 47 knots.
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A clean sheet diesel developed just for marine application, the Volvo Penta IPS 600 propulsion system will forever change the leisure boating experience. There is an ever-increasing demand for higher speed, improved handling, enhanced onboard comfort and reduced emissions. Buyers of sports cruisers, sport fishing, flybridge yachts and other craft with traditional inboard propulsion want speeds well above 30 knots. But this is where the efficiency of conventional shaft installations really starts to drop. Something new is required to combine performance with driving pleasure, onboard comfort and reliability with good environmental properties.
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6 CYLINDERS IN LINE - DIESEL CYCLE
294 kW (400 CV) @ 3000 rpm (A1)
272 kW (370 CV) @ 3000 rpm (A2)
243 kW (330 CV) @ 3000 rpm (B)
199 kW (270 CV) @ 3000 rpm (C)
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Yanmar's engines lasl and last. They are designed and built to do just that. Every detail is taken into account. The 6LY2 has super hard ceramic push rod tappets which keep wear to a minimum. And the whole series has stainless steel exhaus/water mixing elbows' a guarantee for long life and corrosion resistance.
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Yanmar's engines lasl and last. They are designed and built to do just that. Every detail is taken into account. The 6LY2 has super hard ceramic push rod tappets which keep wear to a minimum. And the whole series has stainless steel exhaus/water mixing elbows' a guarantee for long life and corrosion resistance.
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from 100 to 450 bhp
between 1200 & 1800 rpm
CHARACTERISTICS
Diesel engine, 4 stroke, direct injection, turbocharged with charge air intercooling.
TECHNICAL DESCRIPTION
Cast iron cylinder block, highly ribbed, with strengthened seating face
Main bearing caps semi imbedded with vertical attachment
One inspection door per cylinder enabling an easy access to the connecting rod fixations
Cast iron liners, wet type, extremely rigid
Separate cylinder heads with large water circulation sections ensuring a maximised cooling mainly for the nozzle holder copper housing
Attachment of each cylinder head in eight points by high strength bolts with spherical seating washers under the bolts located between two cylinder heads
4 valves per cylinder head, with special steel thick head, with built up guides and seats, and rotators on exhaust valves
Special forged hardened steel crankshaft, with induction hardened journals, crankpins and connecting radius
Camshaft with polynomial profiled cams
Distribution system with tempered, hardened and surface corrected helicoïdal type gears
Chrome - molibdenum steel connecting rods
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CHARACTERISTICS
Diesel engine, 4 stroke, direct injection, turbocharged, with charge air intercooling.
TECHNICAL DESCRIPTION
Cast iron cylinder block, highly ribbed
Built up cast iron liners, wet type, guided at mid height to reduce vibrations and improve cooling of upper part
Two cylinder heads (each one for 3 cylinders), in special cast iron, extremely rigid
Attachment of cylinder heads on cylinders block by high strength steel bolts
2 valves per cylinder with built up guides and seat
Special forged steel crankshaft, 7 bearings, with integrated counter weights and hardened journals and connecting radius
Camshaft side mounted in cylinder block
Distribution system with tempered special steel gears
Forged steel connecting rods, with oblique head cut and "viper head" shaped foot
Light alloy pistons
High performance piston rings (three rings of which superior one is in molybdenum)
Double circuit heat exchanger, with oversized tube type core
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Yanmar's engines lasl and last. They are designed and built to do just that. Every detail is taken into account. The 6LY2 has super hard ceramic push rod tappets which keep wear to a minimum. And the whole series has stainless steel exhaus/water mixing elbows' a guarantee for long life and corrosion resistance.
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This is our top of the line GM based 6.6L commonrail engine that that comes in a 350-500hp configuration, there is a turbo version MD-VGT-32 and a twin supercharged version MD-TSC-32 This engine is intended for the ultimate in performance applications and high speed boats. With it¹s up to 500 hp, 450kg, compact dimensions, this monster of the diesel world has the appearance that will make all other high performance engines look old and tired. This is the most powerful looking and performing diesel on the market. Engines are standard equipped with freshwater cooling.
We can deliver all our engines as a compleat engine/sterndrive, jet pump or surface piercing drive package, that includes all hydraulics, extension harness, instrumentpanel, bellhousing, coupler, engine mounts, ownersmanual, etc.
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6 CYLINDERS IN LINE - DIESEL CYCLE
331 kW (450) @ 3000 rpm (A1)
309 kW (420) @ 3000 rpm (A2)
272 kW (370) @ 3000 rpm (B)
258 kW (350) @ 3000 rpm (C)
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At Yanmar, we make our engines easily accessible. A double oil dipstick on port and starboard side is standard. The 6LY3 also has replaceable dry cylinder liners, which means low cost engine overhauls. The buil-in fuel-priming pump also improves airbleeding and the oil filter with built-in oil drain reservoir on top makes it more easily accessible.
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At Yanmar, we make our engines easily accessible. A double oil dipstick on port and starboard side is standard. The 6LY3 also has replaceable dry cylinder liners, which means low cost engine overhauls. The buil-in fuel-priming pump also improves airbleeding and the oil filter with built-in oil drain reservoir on top makes it more easily accessible.
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480 bhp - 1800 rpm
CHARACTERISTICS
Diesel engine, 4 stroke, direct injection, naturally aspirated.
TECHNICAL DESCRIPTION
Cast iron cylinder block, highly ribbed, with strengthened seating face
Main bearing caps fully imbedded with vertical and horizontal attachments
One inspection door per cylinder enabling an easy access to the connecting rod fixations
Cast iron liners, wet type, extremely rigid
Separate cylinder heads with large water circulation sections ensuring a maximised cooling mainly for the nozzle holder copper housing
Attachment of each cylinder head in eight points by high strength bolts with spherical seating washers under the bolts located between two cylinder heads
4 valves per cylinder head, with special steel thick head, with built up guides and seats, and rotators on exhaust valves
Special forged hardened steel crankshaft, with induction hardened journals, crankpins and connecting radius
Camshaft with polynomial profiled cams
Distribution system with tempered, hardened and surface corrected helicoïdal type gears
Chrome - molibdenum steel connecting rods
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Meets IMO emission requirements. Turbocharged for enhanced performance. Time-tested reliability in worldwide service.
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Boat engines : In-board diesel 100 - 499 hp
