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Industrial Diesel Engines - Highly 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® C27 ACERT™ Diesel Engine

The Cat® C27 ACERT™ Industrial Diesel Engine is offered in ratings ranging from 597-783 bkW (800-1050 bhp) @ 1800 rpm. These ratings meet U.S. EPA Tier 4 Final emission standards. Industries and applications powered by C27 ACERT engines include: Bore/Drill Rigs, Chippers/Grinders, Construction, Cranes, Dredgers, Forestry, Hydraulic Power Units, Irrigation Equipment, Material Handling, Mobile Earthmoving Equipment, Paving Equipment, Pumps, Shovels/Draglines, Surface Hauling Equipment and Trenchers. Specifications are for configurations with side-mounted turbos. Configurations are also available with rear-mounted turbos for 652 bkW (875 bhp) and 708 bkW (950 bhp) ratings.

  • Specification Summary

  • Minimum Power597.0 bkW
  • Maximum Power783 bkW
  • Frequency1800 rpm
  • EmissionsU.S. EPA Tier 4 Final
  • Engine ConfigurationV-12, 4-Stroke-Cycle Diesel

Product Details

Power Rating

Minimum Power 597.0 bkW
Maximum Power 783 bkW
Frequency 1800 rpm

Emission Standards

Emissions U.S. EPA Tier 4 Final


Engine Configuration V-12, 4-Stroke-Cycle Diesel
Bore 137.2 mm (5.4 in)
Stroke 152.4 mm (6 in)
Displacement 27 L (1649.5 in³)
Aspiration Twin Turbocharged-Aftercooled (TTA)
Compression Ratio 16.0:1
Combustion System Direct Injection
Rotation (from flywheel end) Counterclockwise
Cooling System Capacity 67.9 L (71.7 qt)
Lube System (refill) 68 L (71.9 qt)

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

Length 1874 mm (73.8 in)
Width 1600 mm (63 in)
Height 1370 mm (53.9 in)
Weight - Net Dry (Basic Operating Engine Without Optional Attachments) 3004 kg (6625 lb)
  • Air Inlet System
    •  Turbocharged
    •  Air-to-Air Aftercooled
  • Control System
    •  Electronic control system
    •  Over-foam wiring harness
    •  Automatic altitude compensation
    •  Power compensated for fuel temperature
    •  Configurable software features
    •  Engine monitoring system SAE J1939 broadcast and control
  • 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
    •  Choice of SAE No. 0 or SAE No. 1 flywheel housing
  • Choice of SAE No. 0 or SAE No. 1 flywheel housing
    • Fuel System
      •  MEUI injection
      •  Fuel filter, secondary (2 micron)
      •  Fuel transfer pump
      •  Electronic fuel priming
    • Lube System
      •  Open crankcase ventilation system
      •  Oil cooler
      •  Oil filler
      •  Lube oil filter
      •  Rear sump oil pan
      •  Oil dipstick
      •  Gear driven oil pump
    • Power Take Off
      • General
        •  Paint: Caterpillar yellow, with optional colors available at request
        •  Vibration damper
        •  Lifting eyes
      • Paint: Caterpillar yellow, with optional colors available at request
        • Vibration damper
          • Lifting eyes

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