Cat® C18 Industrial Diesel Engine
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.
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SPECIFICATION SUMMARY
- 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
Power Rating
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Minimum Power575.0 bhp
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Maximum Power800.0 bhp
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Rated Speed1800-2100 rpm
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Minimum Power575 HP
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Maximum Power800 HP
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Rated Speed1800-2100 rpm
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Maximum Torque2696 lb-ft @ 1400 rpm
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Maximum Power800 HP
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Maximum Torque2696 lb-ft @ 1400 rpm
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Rated Speed1800-2100 rpm
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Minimum Power575 HP
Emission Standards
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EmissionsChina Nonroad III, U.S. EPA Tier 3 equivalent or U.S. EPA Tier 2 equivalent, EU Stage IIIA equivalent, or Non-certified
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EmissionsChina Nonroad III, U.S. EPA Tier 3 equivalent or U.S. EPA Tier 2 equivalent, EU Stage IIIA equivalent, or Non-certified
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EmissionsChina Nonroad III, U.S. EPA Tier 3 equivalent or U.S. EPA Tier 2 equivalent, EU Stage IIIA equivalent, or Non-certified
General
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Engine ConfigurationInline 6, 4-Stroke-Cycle Diesel
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Bore145 mm (5.71 in)
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Stroke183 mm (7.2 in)
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Displacement18.1 L (1104.5 in³)
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AspirationTurbocharged Aftercooled (TA)
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Compression Ratio16.3:1
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Combustion SystemDirect Injection
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Rotation (from flywheel end)Counterclockwise
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Engine ConfigurationInline 6, 4-Stroke-Cycle Diesel
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Bore145 mm (5.71 in)
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Stroke183 mm (7.2 in)
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AspirationTurbocharged Aftercooled (TA)
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Displacement18.1 L (1104.5 in³)
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Compression Ratio16.3:1
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Combustion SystemDirect Injection
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Rotation from Flywheel EndCounterclockwise
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Bore5.7 in
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Stroke7.2 in
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Displacement1104.5 in³
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Engine ConfigurationInline 6, 4-Stroke-Cycle Diesel
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Bore5.7 in
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Stroke7.2 in
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Displacement1104.5 in³
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Compression Ratio16.3:1
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AspirationTurbocharged Aftercooled (TA)
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Combustion SystemDirect Injection
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Rotation from Flywheel EndCounterclockwise
Engine Dimensions (Approximate. Final dimensions dependent on selected options)
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Length1388.2-1414 mm (54.6-55.7 in)
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Width921-974 mm (36.3-38.3 in)
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Height1243-1257 mm (48.9-49.5 in)
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Weight, Net Dry (Basic Operating Engine Without Optional Attachments)1673 kg (3688 lb)
Engine Dimensions - Approximate
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Height1243-1257 mm (48.9-49.5 in)
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Length1388.2-1414 mm (54.6-55.7 in)
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Weight - Net Dry - Basic Operating Engine Without Optional Attachments1673 kg (3688 lb)
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Width921-974 mm (36.3-38.3 in)
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Height49.5 in
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Length55.7 in
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Width38.3 in
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Weight - Net Dry - Basic Operating Engine Without Optional Attachments3688 lb
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Weight - Net Dry - Basic Operating Engine Without Optional Attachments3688 lb
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Length55.7 in
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Width38.3 in
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Height49.5 in
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
Standard Equipment:
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- Air Inlet System
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- Turbocharged Aftercooled (429-470 bkW, 575-630 bhp)
- Twin Turbocharged Aftercooled (522-597 bkW, 700-800 bhp)
- Air-to-Air Aftercooled
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- Charging System
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- Charging alternator 24 volt, 50 amp
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- Control System
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- 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)
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- Cooling System
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- Thermostats and housing, vertical outlet
- Jacket water pump, centrifugal
- Water pump, inlet
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- Exhaust System
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- Exhaust manifold, dry
- Optional exhaust outlet
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- Flywheels And Flywheel Housing
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- SAE No. 1 or SAE No. 0 flywheel housing
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- Fuel System
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- MEUI injection
- Fuel filter, secondary (2 micron)
- Fuel filter, tertiary (2 micron)
- ACERT™ Technology
- Fuel transfer pump
- Fuel priming pump
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- Lube System
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- Crankcase breather
- Oil cooler
- Oil filler
- Lube oil filter
- Front sump oil pan
- Oil dipstick
- Gear driven oil pump
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- General
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- Vibration damper
- Lifting eyes
- Cold start capability to -20° C (-4° F)
- Paint: Caterpillar yellow, with optional colors available at request