C9.3 Marine Auxiliary Engine

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C9.3 Marine Auxiliary Engine

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Power Range 292 bhp - 436 bhp (218 bkW - 325 bkW)
Aspiration Turbocharged-aftercooled
Bore 4.5in
Configuration In-Line 6, 4-Stroke-Cycle Diesel
Cooling Heat exchanger and separate or combined keel cooled options
Displacement 567.5in³
Emissions IMO II, IMO III, U.S. EPA Tier 3, China Stage II
Flywheel Housing SAE No. 1 (113 teeth)
Governor Electronic
Oil Change Interval 500 hrs
Rated Engine Speed 1,500, 1,800 rpm
Refill Capacity Lube Oil System w/oil filter change: 24.5 L (6.5 gal)
Rotation from Flywheel End Counterclockwise
Stroke 5.8in
Engine Dry Weight - Approximate 2083-2474 lbs (945-1122 kg)
Height 43in
Length - Engine 57.2in
Width - Engine 38.5in

Standard Equipment:

  • Standard Equipment
    • Vibration damper and guard
    • Engine oil cooler
    • Thermostats and housing
    • Gear-driven sea water pump (self-priming)
    • Electronic control system
    • Water-cooled turbocharger and exhaust manifold
    • Primary fuel filters
    • Common rail fuel system
    • Corrosion-resistant Sea water aftercooler
    • Shell and tube jacket water heat exchanger

Optional Equipment:

  • Optional Attachments
    • Electric fuel priming pump
    • Fuel cooler
    • Transmission gear oil cooler (engine mounted for HEX)
    • Additional engine and transmission sensor packages
    • Alternators - 24V 70 or 105 amp, 12V 110 amp
    • Electric starting motors - 12V or 24V
    • Instrument panels
    • PTO Drives - V-belt pulley stack, stub shaft
    • Double wall fuel rail
    • Duplex fuel and oil filters
    • Air starting motor
    • Closed crankcase ventilation
    • Dual electric starting motors or combined electric/air
Renee HerndonRenee Herndon
21:55 29 Feb 24
Dalton was very helpful, The road construction, however, was not! 😂I would rather have to sand paper an alligators @$$ in a phone booth that to get in that mess again.
Michael BirrenMichael Birren
14:58 24 Feb 24
I purchased a used C-15 from a customer of Greg Pool was a running take out. I picked up the engine from the Greg Pool Cat near Nags Head NC. They started they had done all service on this engine stated the hours and all items replaced during the life of engine under their care. I just recently put the engine in my boat after 2 years of building the vessel I find that everything they said about the engine was a LIE!!! Turbo was Bad, After cooler was not updated to the newer version for the C-15 it was missing a terminal Resistor that was clearly stolen off the engine which created a major issue with start up upon installation. Greg Pool Caterpillar stated the hours at 3300 we find out there were 5700 hours. I didn’t do a start up or test run which I regret because i was dealing with a Caterpillar dealer i thought i could trust them. Clearly not Buyers Be Ware if your dealing with Greg Pool Caterpillar in NC. I have 3 of the C-15 engines in my Work boats here in Tampa Fl and my Cat dealership here is Ring power who have done an amazing job to get me going with this Engine. I am very Disappointed in The Caterpillar company for allowing such A dealership to exist.
David LawrenceDavid Lawrence
13:04 22 Feb 24
Brandon PierceBrandon Pierce
22:00 18 Feb 24
Darin NoeDarin Noe
01:17 16 Feb 24
Jose SotoJose Soto
15:26 23 Sep 23
Hunter ElliottHunter Elliott
16:17 07 Sep 23
Rick Kelly-CrapseRick Kelly-Crapse
21:06 25 Aug 23
They had all my parts for my 3208 Cat.Friendly folks at parts counter.
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