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