New CAT Equipment

C13 ACERT Tier 4 Interim Engine

Cat C13 ACERT engines are the ideal solution for your demanding operations in the oilfield. Decades of field operation and intense research and development allow Cat C13 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 workover rigs, pump skids, 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.C13 ACERT engines, with ratings: 287-388 bkW (385-520 bhp) @ 1800-2100 rpm, meet U.S. EPA Tier 4 Interim, EU Stage IIIB emission standards and 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.

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Product Specs

General Specifications

Minimum Rating 385 BHP
Maximum Rating 520 BHP
Governor and Protection Electronic ADEM A4
Aspiration Turbocharged-Aftercooled
Displacement 762.8 in³
Flywheel and Flywheel Housing SAE No. 1
Flywheel Teeth 113
Rotation from Flywheel End Counterclockwise
Stroke 6.2 in
Bore 5.1 in


Emissions U.S. EPA Tier 4 Interim, EU Stage IIIB


Length 47.4 in
Width 36.74 in
Height 46.7 in
Weight 2976 lb

Capacity for Liquids

Lube Oil System - Refill 35.9 gal (US)
Cooling System 19.8 gal (US)