C18

Industrial Diesel Engines C18

Request A Price Find Dealer

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

C18
Change model

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.

Features At A Glance

When it comes to keeping engine installation costs down, customization is key. With plenty of options to keep the engine package size to a minimum, the Cat C18 is a fully-configurable engine giving owners the power to customize based on a variety of applications.

Advanced Features

With a DEF capacity of 93.7 liters and 5,000-hour service intervals, the Cat C18 also features transparent regeneration technology giving owners the power to stay more productive—when its needed the most.

Ideal Applications

Industrial, agricultural and construction applications such as: Asphalt paving equipment • Compressors • Bore rigs • Drill rigs • Chippers • Grinders • Hydraulic power units • Pumps • Trenchers • Irrigation Equipment

Total Cost of Ownership

Whether you own a fleet of machines or even just one, it's important to keep lifetime costs of the engine low. The Cat C18 aims to do just that through a combination of technologies that only require 500-hour service intervals and optimize fluid consuption levels to be the most effective and efficient no matter the application.

Cat Dealer Product Support

With product support offered through the global Cat dealer network and an included warranty, the Cat C18 offers peace of mind with scheduled maintenance and simplified service routines. See your Cat dealer for details.

Clean air isn't just about creating a better world, it's about work site saftey as well. That's why the Cat C18 features a clean emissions module that uses DOC, DPF and SCR tecnologies to keep the engine running cleaner than ever before.

Specifications Standard Equipment

Product Specifications for C18

Power Rating

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

Emission Standards

Emissions

EU Stage V EU Stage V

General

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

Engine Dimensions - Approximate

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

Aftertreatment Dimensions

Length	45.4 in 1153 mm
Width	43.8 in 1112 mm
Height	25.7 in 652 mm
Weight	600 lb 272 kg

Aftertreatment Dimensions*

Diameter

14 in 356 mm

PETU Dimensions - Tier 4 Final Only

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

Product Specifications for C18

Download Print

Power Rating

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

Emission Standards

Emissions

EU Stage V EU Stage V

General

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

Engine Dimensions - Approximate

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

Aftertreatment Dimensions

Length	45.4 in 1153 mm
Width	43.8 in 1112 mm
Height	25.7 in 652 mm
Weight	600 lb 272 kg

Aftertreatment Dimensions*

Diameter

14 in 356 mm

PETU Dimensions - Tier 4 Final Only

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

Print

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

See how C18 compares against frequently compared products.

Industrial

Selected

C18

C18

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

Industrial

C15

C15

Maximum Power: 580 hp; 433 kW
Maximum Torque: 1958 lb-ft @ 1400 rpm; 2655 Nm @ 1400 rpm
Emissions: U.S. EPA Tier 4 Final; U.S. EPA Tier 4 Final

View Details

Industrial

C27

C27

Maximum Power: 1050 hp; 783 kW
Maximum Torque: 3448 lb-ft @ 1200 rpm; 4674 Nm @ 1200 rpm
Emissions: U.S. EPA Tier 4 Final; U.S. EPA Tier 4 Final

View Details

Use the comparison tool to compare detailed specs of Cat and competitor models.

Compare All Models

Tools And Expert Help At Every Turn

Payment Calculator

Payment Calculator

Current Offers

Rental Options

Used Options

Find Dealer

Product Brochures and More Are Ready to Download!

Caterpillar product brochures and other informational documents are available for your growing business.

Media Gallery

Photos

Videos

360 View

C18 Tier 4

C18 Tier 4

C18 ACERT Industrial Engine Video Profile - Morbark 3800 Wood Chipper