C18 ACERT™ Tier 4 Final Engine

C18 ACERT™ Tier 4 Final Engine

Cat C18 ACERT engines are the ideal solution for your demanding operations in the oilfield. Decades of field operation and intense research and development allow Cat C18 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 pump skids, nitrogen units, acidizing units, cementing units, blenders, 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. C18 ACERT engines with ratings: 429-470 bkW (575-630 bhp)@ 2000 rpm are designed to meet U.S. EPA Tier 4 Final, EU Stage IV emission standards. Ratings 563-597 bkW (755-800 bhp) @ 1800 rpm are designed to meet U.S. EPA Tier 4 Final 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 800 BHP

  • Emissions EPA Tier 4 Final and EU Stage IV

  • Displacement 1104 in³

  • Minimum Rating 755 BHP

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Product Specifications


General Specifications

  • Aspiration Turbocharged-Aftercooled

  • Bore 5.7in

  • Displacement 1104in³

  • Flywheel Teeth 136 (SAE 0), 113 (SAE 1)

  • Flywheel and Flywheel Housing SAE No. 0 or SAE No. 1

  • Governor and Protection ADEM A4

  • Maximum Rating 800BHP

  • Minimum Rating 755BHP

  • RPM 1800r/min

  • Rotation from Flywheel End Counterclockwise

  • Stroke 7.2in


  • Emissions EPA Tier 4 Final and EU Stage IV


  • Height 50.5in

  • Length 60.2in

  • Weight 3482lb

  • Width 37.8in

Capacity for Liquids

  • Cooling System 7.1gal (US)



Standard Equipment

  • Turbocharged Aftercooled

  • Electronic control system, over-foam wiring harness, automatic altitude compensation, power compensated for fuel temperature, configurable software features, engine monitoring system SAE J1939 broadcast and control, integrated Electronic Control Unit (ECU) remote fan control

  • Vertical outlet thermostat housing, centrifugal water pump

  • Dry exhaust manifold, Diesel Oxidation Catalyst (DOC)

  • SAE 0 and SAE 1 flywheel housing

  • MEUI injection; primary fuel filter, secondary fuel filters, fuel transfer pump, electronic fuel priming

  • Open crankcase ventilation system, oil cooler, oil filler, oil filter, oil dipstick, oil pump (gear driven), choice of sumps (front, rear, high-capacity center, and high-capacity front)

  • SAE B and SAE C drives available, engine power can also be taken from the front of the engine on some applications

  • Paint: Cat yellow; vibration damper; lifting eyes

Optional Equipment