New | Cat C9 Marine Generator Set Engine

Power Rating
Minimum Rating217.0 bhp
Maximum Rating361.0 bhp
Engine Specifications
ConfigurationIn-line 6, 4-Stroke-Cycle Diesel
Bore4.41 in
Stroke149.0 in
Displacement538.0 in3
Rotation (from flywheel end)Counterclockwise
Dimensions & Weights
Length43.9 in
Width38.3 in
Height43.8 in
Dry Weight2088.0 lb
  • 500 Hour Oil & Filter Change Interval
  • Smokeless Engine Operation Meets 2004 Epa Tier Ii Emission Regulations
  • Leak Free Engine Operation
  • J1939 Data Link For Communication With Ship Monitoring, And Control Systems
  • Compact Design For Enclosure Installations
  • Parts And Service Support From Worldwide Dealer Organization
  • One Source Of Supply For Propulsion And Gen Set Engines
  • Optional Duplex Fuel And Oil Filter Systems
  • Complete Electronic Control Of Fuel Injection And Engine Timing
  • Optional Closed Crankcase Ventilation System
  • Caterpillar Warranty
Air Inlet System
  • Aftercooler
  • Air Cleaner/Open Element - shipped loose
  • Turbocharger
  • Gear driven auxiliary sea water pump
  • Belt driven centrifugal jacket water pump
  • Engine mounted heat exchanger, removable tube bundle (for sea water) (heat exchanger engines only)
  • Expansion tank (heat exchanger engines only)
  • Thermostat and housing
  • Engine oil cooler
  • Auxiliary sea water lines
  • Keel cooling (includes pipe thread flange kit)
  • Fuel filter, Front service
  • Fuel transfer pump
  • Fuel priming pump
Control Panel
  • Electronic governor
  • Hydraulic Electronic Unit Injection (HEUI) fuel system
  • Electronic Control Module (ECM)
  • Electronic diagnostics and fault logging
  • Engine mounted 40-pin dedicated customer connector
  • SAE J1939 data link
Control System
  • Electronic control module (A3)
  • HEUI™ fuel system
  • SAE J1939 data link
Lube System
  • Crankcase breather
  • Oil level gauge — LH service
  • Oil filler, in valve cover
  • Oil Pan
  • Oil pan drain — LH service
  • Oil filter, spin-on, RH Service
  • Engine oil pump (gear driven)
Mounting System
  • Front support, adjustable height
Protection System
  • Overspeed shutoff - electronic
Starting/Charging System
  • 12V 110 amp or 24V 75 amp electric starting motor
  • Torsional vibration damper and guard
  • Lifting eyes
  • Literature
  • Engine Wiring
  • NOTE: Engines for keel cooling do NOT include keel cooler
Flywheels & Flywheel Housings
  • Flywheel, SAE No. 1, 113 teeth
  • Flywheel housing, SAE No. 1
Exhaust System
  • Manifold & Turbocharger, watercooled
  • 152 mm (6 in) round flanged outlet
  • Elbow, dry, 152 mm (6 in)



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With only a few days notice, we were able to get the emergency system working properly. Hawthorne Cat provided great leadership and excellent field support.
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Helix Electric

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