New CAT Equipment

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.

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    • Dimensions & Weights
      Engine Dry Weight - Approximate
      945-1122 kg (2083-2474 lbs)
      43 in
      Length - Engine
      57.2 in
      Width - Engine
      38.5 in
    • Engine Specifications
      4.5 in
      In-line 6, 4-Stroke-Cycle Diesel
      Heat exchanger and separate or combined keel cooled options
      567.5 in³
      IMO II, U.S. EPA Tier 3, China Stage II
      Flywheel Housing
      SAE No. 1 (113 teeth)
      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
      Speed Range
      1800, 2100, 2300 rpm
      5.8 in
    • Power Rating
      Power Range
      375-476 bhp (280-355 bkW)
    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 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