Cat® C11 Industrial Power Unit

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The Cat® C11 Industrial Diesel Power Unit is offered in ratings ranging from 242-336 kW (325-451 hp) @ 1800-2100 rpm and meet China Nonroad Stage III, Brazil MAR-1, and UN R96 Stage IIIA emission standards. Conveniently pre-configured for a wide range of applications, the Cat® Industrial Power Unit is a complete power package containing a radiator, flywheel, alternator and alternator wiring completely pre-assembled for fast, straightforward installation in a number of OEM, customer and packager applications. These fuel efficient units are ready made for irrigation, industrial, mining and other pump applications.

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Maximum Power 451HP
Minimum Power 325HP
Rated Speed 1800-2100 rpm
Emissions Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3
Aftertreatment -
Aspiration Turbocharged Aftercooled (TA)
Bore 5.1in
Compression Ratio 17.2:1
Displacement 677.4in³
Engine Configuration Inline 6, 4-Stroke-Cycle Diesel
Rotation from Flywheel End Counterclockwise
Stroke 5.5in
Height 71in
Length 92in
Weight 3730lb
Width 50in

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

Optional Equipment: