C9 ACERT™ High Performance Marine Propulsion Engine

Overview
Power Range
503-567 bhp (375-423 bkW)
Emissions
IMO II
Bore
4 in

Cat® C9 ACERT Diesel Marine Propulsion Engine, with ratings of 510-575 mhp (503-567 bhp) at 2500 rpm, meets IMO II emission standards.

Ratings

Power Range
503-567 bhp (375-423 bkW)
Power Range
503-567 bhp (375-423 bkW)

Engine

Emissions
IMO II
Bore
4 in
Stroke
6 in
Displacement
538 in3
Speed Range
2500 rpm
Configuration
In-line 6, 4-Stroke-Cycle Diesel
Aspiration
TA
Rotation from Flywheel End
Counterclockwise
Emissions
IMO II
Bore
4 in
Stroke
6 in
Displacement
538 in³

Dimensions & Weights

Approx. Engine Dry Weight
2,086 lb
Length
47 in
Height
39 in
Width of Engine
38 in
Approximate Engine Dry Weight
2,086 lb
Height
39 in
Length
47 in
Width - Engine
38 in

C9 ACERT Features & Benefits

IMO compliant, Caterpillar standard warranty. no visible white or black smoke, parts & service support from worldwide dealer organization, Increased power with ACERT technology

IMO compliant, Caterpillar standard warranty. no visible white or black smoke, parts & service support from worldwide dealer organization, Increased power with ACERT technology

  • Air Inlet System
    • Aftercooler (sea water)
    • Air Cleaner/Fumes Disposal (closed crankcase) - shipped loose
    • Turbocharger
  • Control Panels
    • Electronic governor
    • Hydraulic Electronic Unit Injection (HEUI) fuel system
    • Electronic Control Module (ECM)
    • Engine mounted 70-pin dedicated customer connector
    • SAE J1939 data link
  • Cooling System
    • Thermostat and housing
    • Jacket water pump, belt driven, centrifugal
    • Auxiliary sea water pump, gear driven
    • 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
    • Transmission oil cooler
  • Flywheel & Flywheel Housings
    • Flywheel, SAE No. 1, 113 teeth
    • Flywheel housing, SAE No. 1
  • Fuel System
    • Fuel filter, RH service on Port, LH service on starboard
    • Fuel transfer pump
    • Fuel priming pump
  • Lube System
    • Crankcase breather
    • Oil filter, front center service
    • Oil filler, in valve cover
    • Oil level gauge, RH service on port, LH service on starboard
    • Oil pan
    • Oil pan drain, RH service on port, LH service on starboard
    • Engine oil pump (gear driven)
  • Mounting System
    • Front support, adjustable height
  • Protection System
    • Overspeed shutoff - electronic
  • General
    • Torsional vibration damper and guard
    • Lifting eyes
    • Literature
    • Engine wiring
    • RH or LH service options
  • Cooling System
    • Coolant level sensor
  • Exhaust System
    • Exhaust Temp Sensor
    • Watercooled Elbows
  • Fuel System
    • Fuel cooler
    • Flexible fuel lines
  • Instrumentation
    • OEM Wiring Harness
    • Engine to Engine Harness
    • Wiring Harness
    • Transmission Sensors
    • Marine Power Display System
    • Marine Power Display
    • Marine Power Display Bracket
  • Lube System
    • Oil Filler
    • Sump pumps, manual
    • Sump pump lines
  • Mounting System
    • Vibration isolators
  • Power Take-offs
    • Crankshaft pulley
    • Damper and Stub Shaft
    • Pulley and Stub Shaft
  • General
    • Damper Guard
    • Belt Guard - Alternator
  • Packing
    • Engine Protective Cover
    • Export Packing
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