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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® C18 ACERT™ Industrial Diesel Engine

The Cat® C18 ACERT™ Industrial Diesel Engine is offered in ratings ranging from 429-522 bkW (575-700 bhp) @ 1800-2100 rpm. These ratings meet China Stage II, U.S. EPA Tier 3 equivalent, and EU Stage IIIA equivalent emission standards. Ratings: 571-597 bkW (765-800 bhp) @ 1800-2100 rpm meet U.S. EPA Tier 2 equivalent emission standards. Non-certified ratings are also available at 429-522 bkW (575-700 bhp) @ 1800-2100. Industries and applications powered by C18 ACERT engines include Agriculture, Ag Tractors, Aircraft Ground Support, Bore/Drill Rigs, Chippers, Grinders, Compactors, Rollers, Compressors, Construction, Cranes, Dredgers, Forestry, General Industrial, Hydraulic Power Units, Irrigation Equipment, Material Handling, Mining, Mobile Earthmoving Equipment, Paving Equipment, Pumps, Shovels/Draglines, Surface Hauling Equipment and Trenchers.

  • Specification Summary

  • Minimum Power 429.0 bkW
  • Maximum Power 597.0 bkW
  • Frequency 1800-2100 rpm
  • Emissions China Nonroad III, U.S. EPA Tier 3 equivalent or U.S. EPA Tier 2 equivalent, EU Stage IIIA equivalent, or Non-certified

Product Details

Power Rating

Minimum Power 429.0 bkW
Maximum Power 597.0 bkW
Frequency 1800-2100 rpm

Emission Standards

Emissions China Nonroad III, U.S. EPA Tier 3 equivalent or U.S. EPA Tier 2 equivalent, EU Stage IIIA equivalent, or Non-certified

General

Engine Configuration Inline 6, 4-Stroke-Cycle Diesel
Bore 145 mm (5.71 in)
Stroke 183 mm (7.2 in)
Displacement 18.1 L (1104.5 in³)
Aspiration Turbocharged Aftercooled (TA)
Compression Ratio 16.3:1
Combustion System Direct Injection
Rotation (from flywheel end) Counterclockwise

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

Length 1388.2-1414 mm (54.6-55.7 in)
Width 921-974 mm (36.3-38.3 in)
Height 1243-1257 mm (48.9-49.5 in)
Weight, Net Dry (Basic Operating Engine Without Optional Attachments) 1673 kg (3688 lb)
  • Air Inlet System
    •  Turbocharged Aftercooled (429-470 bkW, 575-630 bhp)
    •  Twin Turbocharged Aftercooled (522-597 bkW, 700-800 bhp)
    •  Air-to-Air Aftercooled
  • Charging System
    •  Charging alternator 24 volt, 50 amp
  • 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)
  • 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
                  • 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 or SAE No. 0 flywheel housing
                            • Fuel System
                              •  MEUI injection
                              •  Fuel filter, secondary (2 micron)
                              •  Fuel filter, tertiary (2 micron)
                              •  ACERT™ Technology
                              •  Fuel transfer pump
                              •  Fuel priming pump
                            • MEUI injection
                              • Fuel filter, secondary (2 micron)
                                • Fuel filter, tertiary (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
                                                      Built for it