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C9 ACERT™ Dry Manifold Engine

C9 ACERT™ Dry Manifold Engine

At a Glance

Minimum Rating
275 BHP
Maximum Rating
375 BHP
EPA and CARB Non-Road Tier 3, EU Stage IIIA, IMO Tier II
43 in
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Cat C9 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 ACERT engines to deliver excellent performance with low operating costs and emissions. Equipment powered by C9 ACERT engines include 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 ACERT engines, with ratings: 205-280 bkW (275-375 bhp) @ 1800-2200 rpm, meet China Stage II, EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. U.S. EPA Tier 3 equivalent and EU Stage IIIA equivalent ratings are available using U.S. EPA and EU Flexibility. They are also available in other regulated and non-regulated areas.

General Specifications

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Minimum Rating 275BHP
Maximum Rating 375BHP
Governor and Protection Electronic (ADEM™ A3)
Aspiration Turbocharged-Aftercooled
Displacement 538in³
Flywheel and Flywheel Housing SAE 1 or 2
Flywheel Teeth 113 (SAE 1), 134 (SAE 2)
Rotation from Flywheel End Counterclockwise
Stroke 5.87in
Bore 4.41in


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Emissions EPA and CARB Non-Road Tier 3, EU Stage IIIA, IMO Tier II


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Length 43in
Width 32.6in
Height 40.3in
Weight 1578lb

Capacity for Liquids

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Lube Oil System - Refill 8gal (US)
Cooling System 3.7gal (US)