Cat?� C11 Industrial Diesel Engine

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.

Equipment Highlights

Reliable, Quiet and Durable Power

World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

Broad Application Range

Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.

Package Size

Exceptional power density enables standardization across numerous applications. Multiple installation options minimize total package size. Ideal for equipment with narrow engine compartments.

World-class Product Support Offered Through Global Cat Dealer Network

Scheduled maintenance, including SOS^SM sample
Customer Support Agreements (CSA)
Caterpillar Extended Service Coverage (ESC)
Superior dealer service network
Extended dealer service network through the Cat Industrial Service Distributor (ISD) program

Specs + Downloads

Specs

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
Aftertreatment: -
Maximum Power: 451 hp
Maximum Torque: 1516 lb-ft @ 1400 rpm
Rated Speed: 1800-2100 rpm
Minimum Power: 325 hp
Emissions: China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA, U.S. EPA Tier 3
Length: 47 in
Width: 42 in
Height: 47 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments: 2050 lb