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Cat C11 ACERT engines are the ideal solution for your demanding operations in the oilfield. Decades of field operation and intense research and development allow Cat C11 ACERT engines to deliver excellent performance with low operating costs and emissions. Equipment powered by C11 ACERT engines include workover rigs, pump skids, acidizing units, cementing 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. C11 ACERT engines, with ratings: 242-336 bkW (325-450 bhp) @ 1800-2100 rpm, meet China Stage II, EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. They are available using U.S. EPA and EU Flexibility, and for other regulated and non-regulated areas.

Cat Specs
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General Specifications

Minimum Rating
325 BHP
Maximum Rating
450 BHP
Governor and Protection
Electronic (ADEM™ A3)
Aspiration
Turbocharged-Aftercooled
Displacement
681 in³
Flywheel and Flywheel Housing
SAE 1 or SAE 2
Flywheel Teeth
113 (SAE 1), 138 (SAE 2)
Rotation from Flywheel End
Counterclockwise
Stroke
5.51 in
Bore
5.12 in

Emissions

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

Dimensions

Weight
1967 lb

Capacity for Liquids

Lube Oil System - Refill
9 qt (US)

Assembled

Height
46.3 in
Width
41.6 in
Length
47.3 in