Industrial Diesel Engines C18

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Key Specs

Maximum Power
800 HP
597 kW
Maximum Torque
2736 lb-ft @ 1300 rpm
3710 Nm @ 1300 rpm
Emissions
EU Stage V
EU Stage V

Overview

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.

Product Specifications for C18

Maximum Power 800 HP 597 kW
Maximum Torque 2736 lb-ft @ 1300 rpm 3710 Nm @ 1300 rpm
Rated Speed 1800-2000 1800-2000
Minimum Power 575 HP 429 kW
Emissions EU Stage V EU Stage V
Engine Configuration In-Line 6 In-Line 6
Bore 5.7 in 145 mm
Stroke 7.2 in 183 mm
Displacement 1104.5 in³ 18.1 l
Compression Ratio 16.0:1 16.0:1
Aspiration Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA) Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
Combustion System Direct Injection Direct Injection
Rotation from Flywheel End Counterclockwise Counterclockwise
Aftertreatment DOC or DOC+DPF+SCR DOC or DOC+DPF+SCR
Length 56.6 in 1438 mm
Width 44.6 in 1132 mm
Height 53.4 in 1356 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 3785 lb 1717 kg
Length 45.4 in 1153 mm
Width 43.8 in 1112 mm
Height 25.7 in 652 mm
Weight 600 lb 272 kg
Diameter 14 in 356 mm
Length 33.6 in 854 mm
Width 11.3 in 287 mm
Height 21.7 in 551 mm
Weight 42.8 lb 19.4 kg
Volume Capacity 51.1 qt (US) 48.4 l

C18 Standard Equipment

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

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