New CAT Equipment

Cat® C11 Industrial Power Unit

The Cat® C11 Industrial Power Unit is offered in ratings ranging from 242-287 bkW (325-350 bhp) @ 1800-2100 rpm. These ratings meet China Stage II, U.S. EPA Tier 3 equivalent or EU Stage IIIA equivalent emission standards. Conveniently pre-configured for a wide range of applications, the Cat® Industrial Power Unit is a complete power package containing a radiator, flywheel, alternator and alternator wiring completely pre-assembled for fast, straightforward installation in a number of OEM, customer and packager applications. These fuel efficient units are ready made for irrigation, industrial, mining and other pump applications.

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Product Specs

Power Rating

Maximum Power 385 HP
Rated Speed 1800-2100 rpm
Minimum Power 325 HP

Emission Standards

Emissions China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent


Engine Configuration Inline 6, 4-Stroke-Cycle Diesel
Bore 5.1 in
Stroke 5.5 in
Displacement 677 in³
Compression Ratio 17.2:1
Aspiration Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise
Aftertreatment -

Power Unit Dimensions

Length 47.4 in
Width 41.5 in
Height 46.7 in
Weight 3730 lb