it's catit's single

C9.3 Commercial Propulsion Engine

C9.3 Commercial Propulsion Engine

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.

Request a Quote

Power Range375-476 bhp (280-355 bkW)

Rated Engine Speed1800, 2100, 2300 rpm

Speed Range1800, 2100, 2300 rpm

EmissionsIMO II, U.S. EPA Tier 3, China Stage II

ConfigurationIn-line 6, 4-Stroke-Cycle Diesel






Refill CapacityLube Oil System w/oil filter change: 24.5 L (6.5 gal)

Oil Change Interval500 hrs

Flywheel HousingSAE No. 1 (113 teeth)

Rotation from Flywheel EndCounterclockwise

CoolingHeat exchanger and separate or combined keel cooled options

Length - Engine57.2in

Engine Dry Weight - Approximate945-1122 kg (2083-2474 lbs)

Width - Engine38.5in



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


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



Complete this form to get a quote on the equipment you are interested in.

    This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

    What You Get: A phone call from a rep or agent. A cost estimate for your machine or the project. An in-person consultation if necessary.