New CAT Equipment

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.

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Product Specs

General Specifications

Minimum Rating 755 BHP
Maximum Rating 800 BHP
Governor and Protection ADEM A4
RPM 1800 r/min
Aspiration Turbocharged-Aftercooled
Displacement 1104 in³
Flywheel and Flywheel Housing SAE No. 0 or SAE No. 1
Flywheel Teeth 136 (SAE 0), 113 (SAE 1)
Rotation from Flywheel End Counterclockwise
Stroke 7.2 in
Bore 5.7 in


Emissions EPA Tier 4 Final and EU Stage IV


Length 60.2 in
Width 37.8 in
Height 50.5 in
Weight 3482 lb

Capacity for Liquids

Cooling System 7.1 gal (US)