New | 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.

Power Rating
Minimum Power575.0 bhp
Maximum Power800.0 bhp
Rated Speed1800-2100 rpm
Emission Standards
EmissionsChina Nonroad III, U.S. EPA Tier 3 equivalent or U.S. EPA Tier 2 equivalent, EU Stage IIIA equivalent, or Non-certified
Engine ConfigurationInline 6, 4-Stroke-Cycle Diesel
Bore145 mm (5.71 in)
Stroke183 mm (7.2 in)
Displacement18.1 L (1104.5 in³)
AspirationTurbocharged Aftercooled (TA)
Compression Ratio16.3:1
Combustion SystemDirect Injection
Rotation (from flywheel end)Counterclockwise
Engine Dimensions (Approximate. Final dimensions dependent on selected options)
Length1388.2-1414 mm (54.6-55.7 in)
Width921-974 mm (36.3-38.3 in)
Height1243-1257 mm (48.9-49.5 in)
Weight, Net Dry (Basic Operating Engine Without Optional Attachments)1673 kg (3688 lb)

Designed To Meet China Nonroad Iii Emission Standards. Meets U.s. Epa Tier 3 Equivalent Or U.s. Epa Tier 2 Equivalent, Eu Stage Iiia Equivalent Or Eu Stage Ii Equivalent Emission Standards. U.s. Epa Tier 3 Equivalent Eu Stage Iiia Equivalent Available Using Epa (u.s.) Flexibility And Eu Flexibility. Also Available For Other Regulated And Non-regulated Areas.

World-class Manufacturing Capability And Processes Coupled With Proven Core Engine Designs Assure Reliability, Quiet Operation, And Many Hours Of Productive Life.

Industry Leading Range Of Factory Configurable Ratings And Options For Agricultural, Material Handling, Construction, Mining, Aircraft Ground Support, And Other Industrial Applications.

Exceptional Power Density Enables Standardization Across Numerous Applications. Multiple Installation Options Minimize Total Package Size. Ideal For Equipment With Narrow Engine Compartments.

Every Cat Engine Is Manufactured To Stringent Quality Standards In Order To Assure Customer Satisfaction.

  • scheduled Maintenance, Including S•o•ssm Sample
  • customer Support Agreements (csa)
  • caterpillar Extended Service Coverage (esc)
  • superior Dealer Service Network
  • extended Dealer Service Network Through The Cat Industrial Service Distributor (isd) Program

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)
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 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
Lube System
  • Crankcase breather
  • Oil cooler
  • Oil filler
  • Lube oil filter
  • Front sump oil pan
  • Oil dipstick
  • Gear driven oil pump
  • 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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