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.
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Specifications
| Name | Type | Value | Unit Value (Imperial) | Unit Name | Unit Value (Metric) | Unit Name (Metric) |
|---|---|---|---|---|---|---|
| Maximum Power | measurement | 451 | hp | 336 | kW | |
| Maximum Torque | measurement | 1516 | lb-ft @ 1400 rpm | 2056 | Nm @ 1400 rpm | |
| Rated Speed | text | 1800-2100 rpm |
Documents & Spec Sheets
Features & Benefits
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
Complete Specifications
Power Rating
| Name | Type | Value | Unit Value (Imperial) | Unit Name | Unit Value (Metric) | Unit Name (Metric) |
|---|---|---|---|---|---|---|
| Maximum Power | measurement | 451 | hp | 336 | kW | |
| Maximum Torque | measurement | 1516 | lb-ft @ 1400 rpm | 2056 | Nm @ 1400 rpm | |
| Rated Speed | text | 1800-2100 rpm | ||||
| Minimum Power | measurement | 325 | hp | 242 | kW | |
| Emissions | text | China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA, U.S. EPA Tier 3 | ||||
| Engine Configuration | text | Inline 6, 4-Stroke-Cycle Diesel | ||||
| Bore | measurement | 5.1 | in | 130 | mm | |
| Stroke | measurement | 5.5 | in | 140 | mm | |
| Displacement | measurement | 677.4 | in³ | 11.1 | l | |
| Compression Ratio | text | 17.2:1 | ||||
| Aspiration | text | Turbocharged Aftercooled (TA) | ||||
| Combustion System | text | Direct Injection | ||||
| Rotation from Flywheel End | text | Counterclockwise | ||||
| Aftertreatment | text | - | ||||
| Length | measurement | 47 | in | 1203 | mm | |
| Width | measurement | 42 | in | 1054 | mm | |
| Height | measurement | 47 | in | 1186 | mm | |
| Weight - Net Dry - Basic Operating Engine Without Optional Attachments | measurement | 2050 | lb | 930 | kg |
Standard Equipment
Air Inlet System
- Turbocharged
- Air-to-Air Aftercooled
Control System
- 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)
Cooling System
- Thermostats and housing, vertical outlet
- Jacket water pump, centrifugal
- Water pump, inlet
Exhaust System
- Exhaust manifold, dry
- Optional exhaust outlet
Flywheels and Flywheel Housing
- SAE No. 1 flywheel housing
Fuel System
- MEUI injection
- Fuel filter, secondary (2 micron)
- ACERT™ Technology
- Fuel transfer pump
- Fuel priming pump
Lube System
- Crankcase breather
- Oil cooler
- Oil filler
- Lube oil filter
- Front sump oil pan
- Oil dipstick
- Gear driven oil pump
General
- Vibration damper
- Lifting eyes
- Cold start capability to -20° C (-4° F)
- Paint: Caterpillar yellow, with optional colors available at request