OceanSphereENGINES

8L H17/28

Main Engine 4-Stroke · Main Engines (4-Stroke)

Technical data from manufacturer or class sources · not yet verified by a person​​‍‌‌‌​‌​​‌​‍⁠​‍⁠​‌​
8Cylinders
170 mmBore
280 mmStroke
900 rpmMCR RPM

In a typical shipboard setting, the 8L H17/28 engine is commonly found powering auxiliary systems on medium to large cargo vessels. Known for its compact and cost-effective design, this engine provides reliable power for various operations such as propulsion, generating electricity, and supporting onboard services. It operates efficiently with fuel types including MDO (Marine Diesel Oil) and MGO (Marine Gas Oil), ensuring flexibility in maritime environments. The engine features a 4-stroke cycle with a bore of 170 mm and stroke of 280 mm, delivering a maximum power output of 1600 kW at 900 RPM while meeting IMO Tier II NOx emission standards. Regular maintenance checks focus on fuel injection pump condition, carbon deposits in the combustion chamber, piston ring wear, cylinder liner scuffing, and bearing clearances to ensure optimal performance and longevity.

Specifications

Technical data.from datasheet

Every value below comes from the manufacturer datasheet or class-society record on file for this model.

Compression ratio17:1
Max combustion pressure200 bar
Stroke/Bore ratio1.65 (280/170)
SLOC (Specific Lube Oil Consumption)0.6 g/kWh ±25%
TurbochargedYes, enhanced Miller timing with high pressure ratio
Engine cycle4-stroke
Engine blockMonoblock cast iron
Dry weight per cylinderApproximately 1.5-1.7 tons (varies by config)
IMO complianceIMO Tier II (NOx regulations)
InstallationComplete genset with generator on common base frame
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Download datasheet (PDF) (4460 KB)
Manufacturer documentation

Images from manufacturer documentation.

Photos, drawings and page previews from this model’s datasheet or catalog.

HiMSEN 8L H17/28 – Photo (HiMSEN datasheet S. 9)
Photo · HiMSEN datasheet · S. 9
HiMSEN 8L H17/28 – Photo (HiMSEN datasheet S. 9)
Photo · HiMSEN datasheet · S. 9
HiMSEN 8L H17/28 – Photo (HiMSEN datasheet S. 9)
Photo · HiMSEN datasheet · S. 9
HiMSEN 8L H17/28 – Photo (HiMSEN datasheet S. 11)
Photo · HiMSEN datasheet · S. 11
HiMSEN 8L H17/28 – Photo (HiMSEN datasheet S. 12)
Photo · HiMSEN datasheet · S. 12
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