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Yanmar 4BY3-180

180HP Marine Diesel Engine


£20,278.80inc VAT
Part Number: 4BY3-180
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Yanmar Marine is introducing four engines in its new-generation BY series, developed under a very close working relationship with luxury car manufacturer BMW.

The company says that the combined technologies of these two market leaders should set new standards for high performance marine engines and significantly widen the propulsion package choice for boat builders and their customers.

These are four-cylinder diesels at 150MHP (110kW) and 180MHP (132kW), plus six-cylinder models at 220 MHP (162kW) and 260 MHP (191kW), rated speed 4,000 rpm. The engines will be available for both shaftdrives and sterndrives.

At two litres and three litres, they are lighter, more compact and cleaner than the models they replace. The engine dry weights are 250kg and 310kg respectively. Length (with gear  to output flange) by width by height of the 180 MHP 4BY180 is 882x758x740 and the 260 MHP 6BY260 is 1151x758x740. All of the engines in the range meet the new EPA Tier 2 and European RCD emissions regulations.

These Yanmar diesels are similar in weight to petrol engines of equivalent capacity, and produce a similar rate of acceleration.

Electronic control is by second-generation common rail with magnetic injectors and the engines include a CAN bus system with NMEA 2000 protocol.

They are turbocharged and intercooled. The turbocharger on the inboard four-cylinder and all the six-cylinder models is wastegated.

  • Engine Range : BY Series
  • Horse Power : 180.00000
  • Documents : http://magelia.demo.epitomy.com/frenchmarine/Setup/Medias/Engine_Pdfs/Yanmar-4BY3Z datasheet.pdf
  • Alternator : 12V - 150A
  • Combustion system : Direct injection with Bosch Common Rail System
  • Combustion system : 102kW (137 mhp) / 3600rpm
  • Cooling system : Fresh water cooling by centrifugal fresh water pump Sea water cooling by rubber impeller seawater pump
  • Cylinders : 4 in line
  • Displacement : 1.995 L [122 cu in]
  • Electrical system : 12 V - 2 kW
  • Power (crankshaft) : 132kW@4000 rpm
  • Offer : No