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Continuous heavy duty with very little or no variations in engine speed and power •
- Displacement hull
- Unlimited engine operating hours
Typical applications:
deep sea trawlers, sea going and river tug boats, push boats, freighters, dredges, LCT, ferries.
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320 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
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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)
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Continuous duty with some variations in engine speed and power
- Displacement or semi-displacement hull
- Unlimited engine operating hours
Typical applications:
passengers vessels , harbour tug boats, motorbarges, coasters, tuna boats, seiners, netters, potting boats, longliners, buoyers, oceanographic
research vessels, long range cruiser, expedition yachts.
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CHARACTERISTICS
Diesel engine, 4 stroke, direct injection, turbocharged.
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
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350 bhp - 1800 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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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 heigh 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 straigh head cut
Light alloy pistons
High performance piston rings (three rings of which superior one is in molibdenum)
Double circuit heat exchanger, with oversized tube type core
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Yanmar's engines last and last. They are designed and built to do just that. Every detail is taken Into account. Take for instance the stainless steel exhaust/water mixing elbow: a guarantee for long life and corrosion resistance. This tough engine is built to perform. The turbocharger with wastegate and inlercooler improves acceleration on the higher output model even further. This is best-in-dass diesel power from Yanmar.
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Reliable power - Peace of mind with minimal service costs
Clean, quiet power - Smoke free operation combined with low noise. Our concern - Future sea and air quality
Unrivalled global and local service support - Always there for you - supporting the customer, protecting the environment
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Reliable power - Peace of mind with minimal service costs
Clean, quiet power - Smoke free operation combined with low noise. Our concern - Future sea and air quality
Unrivalled global and local service support - Always there for you - supporting the customer, protecting the environment
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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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