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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.
| 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 |
| Engine Dimensions - Approximate | |
| Length | 47 in |
| Width | 42 in |
| Height | 47 in |
| Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 2050 lb |
| 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 |
| Aftertreatment | - |
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 SOSSM 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
Standard Equipment:
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- Air Inlet System
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- Turbocharged
- Air-to-Air Aftercooled
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- Control System
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- Electronic governing, PTO speed control
- Programmable ratings
- Automatic altitude compensation
- Power compensation for fuel temperature
- Programmable low and high idle and total engine limit
- Electronic diagnostics and fault logging
- Engine monitoring system SAE J1939 broadcast and control
- ADEM™ A4 Electronic Control Unit (ECU)
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- Cooling System
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- Thermostats and housing, vertical outlet
- Jacket water pump, centrifugal
- Water pump, inlet
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- Exhaust System
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- Exhaust manifold, dry
- Optional exhaust outlet
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- Flywheels And Flywheel Housing
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- SAE No. 1 flywheel housing
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- Fuel System
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- MEUI injection
- Fuel filter, secondary (2 micron)
- ACERT™ Technology
- Fuel transfer pump
- Fuel priming pump
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- Lube System
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- Crankcase breather
- Oil cooler
- Oil filler
- Lube oil filter
- Front sump oil pan
- Oil dipstick
- Gear driven oil pump
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- General
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- Vibration damper
- Lifting eyes
- Cold start capability to -20° C (-4° F)
- Paint: Caterpillar yellow, with optional colors available at request
