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Industrial:

Cat® C18 Industrial Diesel Engine

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C18 LRC Diesel Engines - Lesser Regulated & Non-Regulated
Minimum Power
575.0 bhp
Maximum Power
800.0 bhp
Emissions
China Nonroad III, U.S. EPA Tier 3 equivalent or U.S. EPA Tier 2 equivalent, EU Stage IIIA equivalent, or Non-certified
Rated Speed
1800-2100 rpm

The Cat® C18 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 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.

Product Specs

  • Power Rating

    • Minimum Power
    575.0bhp
    Maximum Power
    800.0bhp
    Rated Speed
    1800-2100 rpm
    Minimum Power
    575BHP
    Maximum Power
    800BHP
    Rated Speed
    1800-2100 rpm
    Maximum Power
    800HP
    Maximum Torque
    2696lb-ft @ 1400 rpm
    Rated Speed
    1800-2100 rpm
    Minimum Power
    575HP

  • 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
    Emissions
    China Nonroad III, U.S. EPA Tier 3 equivalent or U.S. EPA Tier 2 equivalent, EU Stage IIIA equivalent, or Non-certified
    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 Configuration
    Inline 6, 4-Stroke-Cycle Diesel
    Bore
    145 mm (5.71 in)
    Stroke
    183 mm (7.2 in)
    Aspiration
    Turbocharged Aftercooled (TA)
    Displacement
    18.1 L (1104.5 in³)
    Compression Ratio
    16.3:1
    Combustion System
    Direct Injection
    Rotation from Flywheel End
    Counterclockwise
    Engine Configuration
    Inline 6, 4-Stroke-Cycle Diesel
    Bore
    5.7in
    Stroke
    7.2in
    Displacement
    1104.5in³
    Compression Ratio
    16.3:1
    Aspiration
    Turbocharged Aftercooled (TA)
    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)

  • Engine Dimensions - Approximate

    • Height
    1243-1257 mm (48.9-49.5 in)
    Length
    1388.2-1414 mm (54.6-55.7 in)
    Weight - Net Dry - Basic Operating Engine Without Optional Attachments
    1673 kg (3688 lb)
    Width
    921-974 mm (36.3-38.3 in)
    Weight - Net Dry - Basic Operating Engine Without Optional Attachments
    3688lb
    Length
    55.7in
    Width
    38.3in
    Height
    49.5in

Equipment

  • 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
  • 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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