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The Cat?? C11 Industrial Diesel Engine is offered in ratings ranging from 242-336 kW (325-451 hp). These ratings meet China Nonroad Stage III, Brazil MAR-1, and UN R96 Stage IIIA emission standards and UN R120 performance standards for measurement of net power and specific fuel consumption. Furthermore, this U.S. EPA Tier 3 certified engine can still be ordered as an engine replacement for machines currently taking U.S. EPA Tier 3 engines.

Cat Specs
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Power Rating

Maximum Power
451 HP
Maximum Torque
1516 lb-ft @ 1400 rpm
Rated Speed
1800-2100 rpm
Minimum Power
325 HP

Emission Standards

Emissions
China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA, U.S. EPA Tier 3

General

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

Engine Dimensions - Approximate

Length
47 in
Width
42 in
Height
47 in

Shipping

UPC
2050