New CAT Equipment

Cat® C18 Industrial Diesel Engine

On construction sites and mining operations, in agriculture and forestry, and in a wide range of industries, Cat® C18 Industrial Diesel Engines deliver the power, performance and durability to take on the biggest challenges. More importantly, they're backed by the world-class Cat dealer network ready to service and support every Cat® industrial engine.

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    • 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
    • Engine Dimensions - Approximate
      Height
      49.5 in
      Length
      55.7 in
      Weight - Net Dry - Basic Operating Engine Without Optional Attachments
      3688 lb
      Width
      38.3 in
    • General
      Aftertreatment
      -
      Aspiration
      Turbocharged Aftercooled (TA)
      Bore
      5.7 in
      Combustion System
      Direct Injection
      Compression Ratio
      16.3:1
      Displacement
      1104.5 in³
      Engine Configuration
      Inline 6, 4-Stroke-Cycle Diesel
      Rotation from Flywheel End
      Counterclockwise
      Stroke
      7.2 in
    • Power Rating
      Maximum Power
      800 HP
      Maximum Torque
      2696 lb-ft @ 1400 rpm
      Minimum Power
      575 HP
      Rated Speed
      1800-2100 rpm
    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