C9.3 Commercial Propulsion Engine

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The C9.3 ACERT propulsion engine has a B rating of 375 bhp (280 bkW) at 1800 rpm, a C rating of 416 bhp (310 bkW) at 2100 rpm, and a D rating of 476 bhp (355 bkW) at 2300 rpm. The C9.3 propulsion, auxiliary, and generator set engines have a common rail fuel system for optimal combustion and lower emissions. Cooling system options for the propulsion and auxiliary engines include heat exchanger with sea water aftercooling, and keel with combined circuit or separate circuit aftercooling. The genset packages are available with heat exchanger, keel, or radiator cooling. These products are EPA Tier 3 and IMO II certified. In addition the propulsionengine ratings are EU Stage IIIA certified and auxiliary and gen sets are also CCNR Stage II certified.

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Power Range 375-476 bhp (280-355 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, 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 1800, 2100, 2300 rpm
Refill Capacity Lube Oil System w/oil filter change: 24.5 L (6.5 gal)
Rotation from Flywheel End Counterclockwise
Speed Range 1800, 2100, 2300 rpm
Stroke 5.8in
Engine Dry Weight - Approximate 945-1122 kg (2083-2474 lbs)
Height 43in
Length - Engine 57.2in
Width - Engine 38.5in

Standard Equipment:

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

Optional Equipment:

  • Optional Attachments
    • Alternators - 24V 70 or 105 amp, 12V 110 amp
    • Closed crankcase ventilation
    • Transmission gear oil cooler (engine mounted for HEX)
    • Additional engine and transmission sensor packages
    • Instrument panels
    • Electric starting motors - 12V or 24V
    • Air starting motor
    • Dual electric starting motors or combined electric/air
    • Electric fuel priming pump
    • Fuel cooler
    • PTO Drives - V-belt pulley stack, stub shaft
    • Duplex fuel and oil filters
    • Double wall fuel rail
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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