Cat® C18 Industrial Diesel Engine

Photos

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.

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

Specs

Power Rating

Minimum Power
575.0bhp
Maximum Power
800.0bhp
Rated Speed
1800-2100 rpm
Minimum Power
575HP
Maximum Power
800HP
Rated Speed
1800-2100 rpm
Maximum Torque
2696lb-ft @ 1400 rpm

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

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
5.7in
Stroke
7.2in
Displacement
1104.5in³
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
49.5in
Length
55.7in
Width
38.3in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
3688lb

Features

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.

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.

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.

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
  • 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

  • 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

Optional Equipment