New CAT Equipment

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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    • Emission Standards
      Emissions
      China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA, U.S. EPA Tier 3
    • Engine Dimensions - Approximate
      Height
      47 in
      Length
      47 in
      Weight - Net Dry - Basic Operating Engine Without Optional Attachments
      2050 lb
      Width
      42 in
    • General
      Aftertreatment
      -
      Aspiration
      Turbocharged Aftercooled (TA)
      Bore
      5.1 in
      Combustion System
      Direct Injection
      Compression Ratio
      17.2:1
      Displacement
      677.4 in³
      Engine Configuration
      Inline 6, 4-Stroke-Cycle Diesel
      Rotation from Flywheel End
      Counterclockwise
      Stroke
      5.5 in
    • Power Rating
      Maximum Power
      451 HP
      Maximum Torque
      1516 lb-ft @ 1400 rpm
      Minimum Power
      325 HP
      Rated Speed
      1800-2100 rpm
    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

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