Cat® C18 Industrial Diesel Engine

Cat® C18 Industrial Diesel Engine

Minimum Power 575 bhp
Maximum Power 800 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
Engine Configuration Inline 6, 4-Stroke-Cycle Diesel
Bore 145 mm (5.71 in)
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Power Rating
Minimum Power 575 bhp
Maximum Power 800 bhp
Rated Speed 1800-2100 rpm
Minimum Power 575 HP
Maximum Power 800 HP
Rated Speed 1800-2100 rpm
Maximum Torque 2,696 lb-ft @ 1400 rpm
Maximum Power 800 HP
Maximum Torque 2,696 lb-ft @ 1400 rpm
Rated Speed 1800-2100 rpm
Minimum Power 575 HP
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
Bore 6 in
Stroke 7 in
Displacement 1,105 in³
Aftertreatment -
Engine Configuration Inline 6, 4-Stroke-Cycle Diesel
Bore 6 in
Stroke 7 in
Displacement 1,105 in³
Compression Ratio 16.3:1
Aspiration Turbocharged Aftercooled (TA)
Combustion System Direct Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment -
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)
Height 50 in
Length 56 in
Width 38 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 3,688 lb
Length 56 in
Width 38 in
Height 50 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 3,688 lb

Reliable, Quiet and Durable Power

World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

Broad Application Range

Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.

Package Size

Exceptional power density enables standardization across numerous applications. Multiple installation options minimize total package size. Ideal for equipment with narrow engine compartments.

World-class Product Support Offered Through Global Cat Dealer Network

  • Scheduled maintenance, including SOSSM 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
  • 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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