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Auxiliary Engines

Industry-leading technology allows Caterpillar to create the most reliable commercial engines for a variety of applications. From tugs and container vessels to yachts and sport fishers, Cat and MaK engines have demonstrated their efficiency countless times. With remarkable reliability and durability, these engines will exceed your expectations for decades.

Cat C9 Marine Generator Set Engine

  • Specification Summary

  • Minimum Rating 162.0 bkW
  • Maximum Rating 269.0 bkW
  • Configuration In-line 6, 4-Stroke-Cycle Diesel
  • Aspiration TA

Product Details

Power Rating

Minimum Rating 162.0 bkW
Maximum Rating 269.0 bkW

Engine Specifications

Aspiration TA
Rotation (from flywheel end) Counterclockwise
Displacement 8.8 L
Bore 112.0 mm
Configuration In-line 6, 4-Stroke-Cycle Diesel
Stroke 5.87 mm

Dimensions & Weights

Minimum Dry Weight 947.0 kg
Maximum Width 973.5 mm
Minimum Height 1113.7 mm
Maximum Length 1116.5 mm
  • Air Inlet System
    •  Aftercooler
    •  Air Cleaner/Open Element - shipped loose
    •  Turbocharger
  • Aftercooler
    • Air Cleaner/Open Element - shipped loose
      • Turbocharger
        • Cooling
          •  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)
        • 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
                          •  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
                        • Overspeed shutoff - electronic
                          • Starting/Charging System
                            •  12V 110 amp or 24V 75 amp electric starting motor
                          • General
                            •  Torsional vibration damper and guard
                            •  Lifting eyes
                            •  Literature
                            •  Engine Wiring
                            •  NOTE: Engines for keel cooling do NOT include keel cooler
                          • 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
                                    • 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)
                                        • AIR INLET SYSTEM
                                          •  AIR CLEANER - REGULAR DUTY
                                          •  AIR CLEANER - HEAVY DUTY
                                          •  AIR CLEANER RAIN CAP
                                        • CONTROL SYSTEM
                                          •  Load sharing attachment
                                        • COOLING SYSTEM
                                          •  Coolant recovery tank
                                          •  Coolant level sensor
                                          •  Coolant Flange Kit
                                        • Coolant recovery tank
                                          • Coolant level sensor
                                            • Coolant Flange Kit
                                              • EXHAUST SYSTEM
                                                •  Elbows
                                                •  Pipe
                                                •  Flexible fittings
                                                •  Flange
                                                •  Mufflers
                                                •  Rain caps
                                              • FUEL SYSTEM
                                                •  Fuel cooler
                                                •  Flexible fuel lines
                                                •  Duplex fuel filters
                                                •  Fuel temperature sensor
                                              • Fuel cooler
                                                • Flexible fuel lines
                                                  • Duplex fuel filters
                                                    • Fuel temperature sensor
                                                      • INSTRUMENTATION
                                                        •  Instrument panels
                                                        •  Wiring harness
                                                      • Instrument panels
                                                        • Wiring harness
                                                          • LUBE SYSTEM
                                                            •  Sump pumps, manual
                                                            •  Sump pump lines
                                                            •  Duplex oil filters
                                                            •  MARINE CLASSIFICATION SOCIETY AND SOLAS
                                                          • POWER TAKE-OFFS
                                                            •  Crankshaft pulley
                                                          • STARTING SYSTEM
                                                            •  Air pressure regulator
                                                            •  Air silencer
                                                          • Air pressure regulator
                                                            • Air silencer
                                                              • GENERAL
                                                                •  PARTS KIT - DRESS UP
                                                              • PARTS KIT - DRESS UP
                                                                • LITERATURE
                                                                  • PACKING
                                                                    •  Engine Protective Cover
                                                                    •  Export Packing
                                                                  Built for it