New | C9 Generator Set Package

The Caterpillar C9 generator set joins our existing range of clean, quiet, compact, and smooth-running generator sets. This range of small gen sets provides customers with a more comprehensive power offering, enabling them to enjoy the benefit of dealing with one supplier for both propulsion and auxiliary power.

Generator Set Specifications
Minimum Rating142R ekW (178 kVA)
Maximum Rating250 ekW (313 kVA)
Frequency50 hz or 60hz
Speed1500 rpm (50hz) or 1800 rpm (60 hz)
Generator Set Configurations
Emissions/Fuel StrategyIMO/EPA Tier 2 Compliant
Engine Specifications
Engine ModelC9, In-line 6, 4-Stroke-Cycle Diesel
Bore4.41 in
Stroke5.87 in
Displacement538.0 in3
Governor TypeElectronic
Fuel SystemHEUI™
Generator Specifications
Number of leads12 lead, reconnectable
InsulationClass H
IP RatingIP23 Water protection
Overspeed capabilityOverspeed shutoff - electronic
Voltage regulatorSolid state voltage regulator with integral voltage adjustment
Voltage Regulation±0.5%
Generator Set Dimensions
Length2106-2216 mm (82.9-87.2 in)
Width39.2 in
Height46.0 in
Weight1753 kg (3865 lb) - 1903 kg (4195 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
  • Caterpillar Standard Warranty
  • 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
  • Aftercooler (heat exchanger and keel cooled engines only)
  • Turbocharger
  • 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
  • Thermostat and housing
  • Jacket water pump, belt driven, centrifugal
  • Auxiliary sea water pump, gear driven (heat exchanger and keel cooled engines only)
  • Radiator, engine mounted (includes guard, blower fan, fan drive, fan guard)
  • Expansion tank (heat exchanger engines only)
  • Engine mounted heat exchanger, removable tube bundle (for sea water) (heat exchanger engines only)
  • Engine oil cooler
  • Auxiliary sea water lines
  • Keel cooling (includes pipe thread flange kit)
  • Manifold & Turbocharger, watercooled
  • 152 mm (6 in) round flanged outlet
  • Elbow, dry, 152 mm (6 in)
  • Flywheel, SAE No. 1, 113 teeth
  • Flywheel housing, SAE No. 1
  • Fuel filter, Front service
  • Fuel transfer pump
  • Fuel priming pump
  • 12 lead, reconnectable
  • 3 phase Brushless
  • Separately excited from auxiliary winding to provide 300% short circuit current up to 10 seconds
  • 2/3 Pitch
  • Broad voltage band
  • IP23 Water protection
  • Solid state voltage regulator with integral voltage adjustment
  • Class H insulation
  • Generator temperature rise exceeds marine society requirements for Class H insulation
  • 105 C @ 50 C ambient - prime
  • 85 C @ 50 C ambient - prime Connection poles
  • Instrument panel
  • Electric service meter
  • Start/stop switch
  • Emergency stop button
  • Maintenance due light
  • Diagnostic light
  • Warning light
  • Maintenance clear switch
  • 15A breaker
  • Crankcase breather
  • Oil filter, spin-on, RH Service
  • Oil filler, in valve cover
  • Oil level gauge, LH service
  • Oil pan
  • Oil pan drain, LH service
  • Engine oil pump (gear driven)
  • Skiddable base frame
  • Front support
  • Anti vibration isolators between base and engine-generator
  • Overspeed shutoff - electronic
  • Torsional vibration damper and guard
  • Lifting eyes
  • Protective lifting covers
  • Literature
  • Battery disconnect switch
  • Engine Wiring
  • Plastic wrap packaging
  • NOTE: Engines for keel cooling do NOT include keel cooler.



Other Models in this Category

Select Marine Power System Type

Hawthorne Power Systems Logo

Hot Deals - Buy New. Buy Now. We'll Make Your Down Payment. Learn More.

Why Cat is Better. Machine Comparison

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.
Mark Cripe
Helix Electric

San Diego - Power
Steve Jamison
Power Systems Sales Manager
858.376.6821 office
858.688.0083 mobile

Phillip J. Smith (PJ)
Service Manager - CSA Group/Truck Shop
858.376.6874 office
858.688.0134 mobile

Dan Hixon
Field Service Manager
858.376.6822 office
858.663.4652 mobile

Paul Karpf
Rental Department Manager
858.376.6888 office
858.688.0039 mobile

Tom Bonham
Product Support Sales Manager
858.376.6898 office
442.248.2108 mobile

Hawaii – Power
Cliff Yuen
Power Systems Sales Manager
808.676.0322 office
808.349.7767 mobile

Travis Tilton
General Service Manager
808.676.0314 office
808.864.1903 mobile

Bobby Fields
Rental Developer
808.676.0267 office
808.368.5445 mobile

Guam – Power
Myver Hecita
Power Systems Rental &
Sales Representative
671.649.4241 office
671.898.2740 mobile

Jimmy Cruz
Engine Service Manager
671.649.4216 office
671.488.2821 mobile