C11 ACERTâ„¢ Dry Manifold Engine

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.

Specifications
Equipment
Attachments
Units: US Metric
General Specifications
Maximum Rating
450 BHP
336 bkW
Displacement
681 in³
11.15 l
Minimum Rating
325 BHP
242 bkW
Governor and Protection
Electronic (ADEMâ„¢ A3)
Aspiration
Turbocharged-Aftercooled
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
140 mm
Bore
5.12 in
130 mm
Emissions
Emissions
EPA and CARB Non-Road Mobile Tier 3, EU Stage IIIA
Dimensions
Length
47.3 in
1201 mm
Width
41.6 in
1057 mm
Height
46.3 in
1176 mm
Weight
1967 lb
892.22 kg
Capacity for Liquids
Lube Oil System - Refill
9 gal (US)
34 l
Standard Equipment
Air Inlet System
Control System
Cooling System
Exhaust System
Flywheels and Flywheel Housings
Fuel System
Lube System
Power Take-Offs
General
Mandatory Options