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Cat® C18 Diesel Engine

Cat® C18

The Cat® C18 Industrial Diesel Engine is offered in ratings ranging from 429-522 bkW (575-700 bhp)@ 1800-1900 rpm. 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.

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    • Aftertreatment Dimensions
      Height
      25.7 in
      Length
      45.4 in
      Weight
      600 lb
      Width
      43.8 in
    • Aftertreatment Dimensions*
      Diameter
      14 in
    • Emission Standards
      Emissions
      EU Stage V
    • Engine Dimensions - Approximate
      Height
      53.4 in
      Length
      56.6 in
      Weight - Net Dry - Basic Operating Engine Without Optional Attachments
      3785 lb
      Width
      44.6 in
    • General
      Aftertreatment
      DOC or DOC+DPF+SCR
      Aspiration
      Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
      Bore
      5.7 in
      Combustion System
      Direct Injection
      Compression Ratio
      16.0:1
      Displacement
      1104.5 in³
      Engine Configuration
      In-Line 6
      Rotation from Flywheel End
      Counterclockwise
      Stroke
      7.2 in
    • PETU Dimensions - Tier 4 Final Only
      Height
      21.7 in
      Length
      33.6 in
      Volume Capacity
      51.1 qt (US)
      Weight
      42.8 lb
      Width
      11.3 in
    • Power Rating
      Maximum Power
      800 HP
      Maximum Torque
      2736 lb-ft @ 1300 rpm
      Minimum Power
      575 HP
      Rated Speed
      1800-2000
    Air Inlet System
    • Turbocharged
    • Air-to-Air Aftercooled
    • Mid-mount turbocharged system with front and rear exhaust configurations (Tier 4 Final, Stage V)
    Control System
    • Electronic control system
    • Over-foam wiring harness
    • Automatic altitude compensation
    • Power compensated for fuel temperature
    • Remote fan control
    • Configurable software features
    • Engine monitoring system SAE J1939 broadcast and control
    • Integrated Electronic Control Unit (ECU)
    Cooling System
    • Thermostats and housing, vertical outlet
    • Centrifugal water pump
    • Guidance on cooling system design available through your dealer to ensure equipment reliability
    Flywheels and Flywheel Housing
    • Choice of SAE No. 0 or SAE No. 1 flywheel housing
    • Available SAE No. 1 power take off with optional SAE A, SAE B or SAE C power take off drives. Engine power can also be taken from the front of the engine with optional attachments. (Tier 4 Final, Stage V).
    Fuel System
    • MEUI injection
    • Primary fuel filter
    • Secondary fuel filters
    • Fuel transfer pump
    • Electronic fuel priming
    Lube System
    • Open crankcase ventilation system
    • Oil cooler
    • Oil filler
    • Lube oil filter
    • Oil dipstick
    • Gear driven oil pump
    • Choice of front, rear or center sumps
    • Open crankcase ventilation system with fumes disposal (optional OCV filter system) (Tier 4 Final, Stage V)
    Power Take Off (PTO)
    • SAE A, SAE B or SAE C power take off (PTO) drives. Engine power can also be taken from the front of the engine on some applications.
    General
    • Paint: Caterpillar yellow, with optional colors available at request
    U.S. EPA Tier 4 Final, EU Stage V Aftertreatment/ Clean Emissions Control Equipment
    • Aftertreatment information applies to ratings from 429-522 bkW (575-700 bhp)
    • Cat Regeneration System
    • Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
    • Aftertreatment Electronic Control Unit (ECU)
    • NOx Reduction System (NRS)
    • Pump Electronic Control Unit (PETU)
    • Selective Catalytic Reduction (SCR)
    • Available in 12V or 24V systems