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Caterpillar
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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Details
Specifications
Power Rating
| Spec | Value | 
|---|---|
| Maximum Power | 451 hp 336 kW | 
| Maximum Torque | 1516 lb-ft @ 1400 rpm 2056 Nm @ 1400 rpm | 
| Rated Speed | 1800-2100 rpm 1800-2100 rpm | 
| Minimum Power | 325 hp 242 kW | 
Emission Standards
| Spec | Value | 
|---|---|
| Emissions | China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA, U.S. EPA Tier 3 China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA, U.S. EPA Tier 3 | 
General
| Spec | Value | 
|---|---|
| Engine Configuration | Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel | 
| Bore | 5.1 in 130 mm | 
| Stroke | 5.5 in 140 mm | 
| Displacement | 677.4 in³ 11.1 l | 
| Compression Ratio | 17.2:1 17.2:1 | 
| Aspiration | Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) | 
| Combustion System | Direct Injection Direct Injection | 
| Rotation from Flywheel End | Counterclockwise Counterclockwise | 
| Aftertreatment | - - | 
Engine Dimensions - Approximate
| Spec | Value | 
|---|---|
| Length | 47 in 1203 mm | 
| Width | 42 in 1054 mm | 
| Height | 47 in 1186 mm | 
| Weight – Net Dry – Basic Operating Engine Without Optional Attachments | 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