New CAT Equipment

C18 ACERT Tier 4 Interim 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 C15 ACERT engines to deliver excellent performance with low operating costs while meeting tight environmental requirements. This is an ideal engine for applications that require Tier 4 Interim or EU Stage IIIB emissions certifications 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: 447-522 bkW (600-700 bhp)@ 1800-1900 rpm meet U.S. EPA Tier 4 Interim, EU Stage IIIB emission standards. Rating 563 bkW (755 bhp) @ 1800-1900 rpm meets U.S. EPA Tier 4 Interim 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 600 BHP
Maximum Rating 755 BHP
Governor and Protection Electronic ADEM A4
RPM 1900 r/min
Aspiration Turbocharged-Aftercooled
Displacement 1104.5 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 U.S. EPA Tier 4 Interim, EU Stage IIIB


Length 60.2 in
Width 37.8 in
Height 51 in
Weight 3482 lb

Capacity for Liquids

Cooling System 7.1 gal (US)