Tuesday, July 23, 2024


Model: 180 HP


Product Description: MERCRUISER DIAMOND 6B5.9 - 180 HP

The MerCruiser Diamond 6B5.9 - 180 HP is a robust and reliable inboard marine engine designed for those who demand performance, efficiency, and durability on the water. This powerhouse engine is perfect for a variety of maritime activities, including leisure cruising, fishing, and commercial boating.

The Diamond 6B5.9 offers an impressive 180 horsepower output, making it capable of propelling watercraft with ease. Its advanced engineering ensures a smooth and powerful performance, while its efficient combustion system maximizes fuel economy, allowing for longer voyages and fewer refueling stops.

Constructed with high-quality materials, the MerCruiser Diamond 6B5.9 is built to withstand the harsh marine environment. Its corrosion-resistant components and advanced cooling system enhance durability and extend the engine's life, ensuring you get dependable performance season after season.


  • Engine Model: MerCruiser Diamond 6B5.9 - 180 HP
  • Horsepower: 180 HP
  • Engine Type: Inboard
  • Engine Configuration: Inline 6-cylinder
  • Displacement: 5.9 liters
  • Fuel System: Direct fuel injection
  • Cooling System: Freshwater cooling with heat exchanger
  • Aspiration: Naturally aspirated
  • Fuel Type: Diesel
  • Maximum RPM: Varies depending on load and application
  • Compression Ratio: 17.5:1
  • Lubrication System: Wet sump
  • Oil Capacity: Approx. 17.5 liters
  • Alternator: 12V, 55A
  • Dimensions (L x W x H): Approx. 54.6 x 29.7 x 38.7 inches (1387 x 755 x 983 mm)
  • Weight: Approx. 1,150 lbs (522 kg)
  • Exhaust System: Water-cooled exhaust manifold and riser
  • Start System: Electric
  • Mounting Type: Flexible engine mounts
  • Control System: Mechanical throttle and shift
  • Emissions Compliance: Meets current marine EPA standards

Experience the thrill of dependable power with the MerCruiser Diamond 6B5.9 - 180 HP marine engine. Whether you're seeking adventure or efficiency on the water, this engine delivers unparalleled performance, making it the ideal choice for serious mariners and boating enthusiasts alike.

[Product Type: Engine]

Product Specifications

Strokein 4.72 in
Stroke 120 mm (4.72in)
Rated Speed 2500 r/min
Powerkw 134 kW
Power 180 HP (134.21kw)
Displacementin3 359 in3
Displacement 5.9 cm3 (0.01L, 0.36in3)
Cylinders Arrangement/Number 6
Borein 4.02 in
Bore 102 mm (4.02in)