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Industrial Diesel Engines - Lesser Regulated & Non-Regulated

Cat® industrial engines are ready for your application. These engines deliver the unsurpassed reliability, durability, fuel efficiency, and low cost of ownership you have come to expect from Caterpillar. And our world-class product support will never let you down. All this adds up to a powerful advantage for you. Every Cat industrial diesel and gas engine comes with 75 years of engine experience. Our world-class product line of high-speed and medium-speed industrial engines in a wide range of applications offer power solutions for the most demanding installations and the harshest environments. With power options from 8.2 to 6,100 bkW (11 to 8,180 bhp), Cat industrial diesel and gas engines offer the widest power range in the industry.

Cat® C11 ACERT™ Industrial Diesel Engine

The Cat® C11 ACERT™ Industrial Diesel Engine is offered in ratings ranging from 242-336 bkW (325-450 bhp) @ 1800-2100 rpm. These ratings meet China Stage II, EPA Tier 3 equivalent, and EU Stage IIIA equivalent emission standards. Industries and applications powered by C11 ACERT engines include Agriculture, Ag Tractors, Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Combines/Harvesters, Compactors/Rollers, Compressors, Construction, Cranes, Crushers, Dredgers, Forestry, Forklifts, General Industrial, Hydraulic Power Units, Irrigation Equipment, Loaders/Forwarders, Material Handling, Mining, Mobile Earthmoving Equipment, Paving Equipment, Pumps, Shovels/Draglines, Specialty Ag Equipment, Sprayers, Surface Hauling Equipment, Trenchers and Underground Mining Equipment.

  • Specification Summary

  • Minimum Power 242.0 bkW
  • Maximum Power 336.0 bkW
  • Rated Speed 1800-2100 rpm
  • Emissions China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent

Product Details

Power Rating

Minimum Power 242.0 bkW
Maximum Power 336.0 bkW
Rated Speed 1800-2100 rpm

Emission Standards

Emissions China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent


Engine Configuration Inline 6, 4-Stroke-Cycle Diesel
Bore 130 mm (5.12 in)
Stroke 140 mm (5.51 in)
Displacement 11.1 L (677.36 in³)
Aspiration Turbocharged Aftercooled (TA)
Compression Ratio 17.2:1
Combustion System Direct Injection
Rotation (from flywheel end) Counterclockwise

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

Length 1203 mm (47.4 in)
Width 1054.4 mm (41.5 in)
Height 1186 mm (46.7 in)
Weight, Net Dry (Basic Operating Engine Without Optional Attachments) 930 kg (2050 lb)
  • Air Inlet System
    •  Turbocharged
    •  Air-to-Air Aftercooled
  • 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
      • Exhaust manifold, dry
        • Optional exhaust outlet
          • Flywheels and Flywheel Housing
            •  SAE No. 1 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
            • 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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