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.

Get a Quote

  • 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

Download Resources