C9.3 ACERT™ Tier 4 Final Engine

Cat C9.3 ACERT engines are the ideal solution for your demanding operations in the oilfield. Decades of field operation and intense research and development allow Cat C9.3 ACERT engines to deliver excellent performance with low operating costs while meeting tight environmental requirements. This is an ideal engine for applications that require compliance with the highest emission standards in well service applications such as workover rigs, pump skids, acidizing units, cementing units, coil tubing units, and hydraulic power units. Cat engines are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. C9.3 ACERT engines with ratings: 224-298 bkW (300-400 bhp) @ 1800-2200 rpm are designed to meet U.S. EPA Tier 4 Final, EU Stage IV emission standards. This information about Emissions describes the particular rating’s emissions technology. For more information about emissions certification, please contact your local Cat dealer.

Maximum Rating
400BHP
Displacement
567.5in³
Minimum Rating
300BHP
Aspiration
Turbocharged-Aftercooled
Flywheel and Flywheel Housing
SAE 1 or 2
Flywheel Teeth
113 (SAE 1), 138 (SAE 2)
Stroke
5.87in
Bore
4.53in
Emissions
EPA Tier 4 Final and EU Stage IV
Length
44in
Width
40.4in
Height
41.9in
Weight
1950lb
  • Control System
    • Electronic control system, over-foam wiring harness, automatic altitude compensation, power compensated for fuel temperature, remote fan control, configurable software features, engine monitoring system SAE J1939 broadcast and control, integrated Electronic Control Unit (ECU)
  • Cooling System
    • Cooling package provides additional auxiliary heat load capacity capable of a minimum 10% of engine rated power. See the Web Ambient Tool (https://wbdat.cat. com/) for estimated ambient capability based on rating, fan drive ratio, fan, altitude and auxiliary heat load.
  • Exhaust System
    • Mid-mount turbocharged system with front and rear exhaust configurations
  • Flywheels And Flywheel Housing
    • SAE No. 1 and SAE No. 2 flywheel housings; available SAE 1 power take-off housing with optional SAE A, SAE B, and SAE C power take-off drives; engine power can also be taken from the front of the engine with optional attachments
  • Fuel System
    • Electronic high pressure common rail; primary fuel filter, secondary fuel filters, fuel transfer pump, electronic fuel priming
  • Lube System
    • Open crankcase ventilation system with fumes disposal (optional OCV filter system); oil cooler, oil filler, oil filter, oil dipstick, oil pump (gear-driven); choice of sumps (front, rear, and center)
  • General
    • Paint: Cat yellow