C18

Cat?� C18 Diesel Engine

C18 Tier 4

DESCRIPTION

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.On construction sites and mining operations, in agriculture and forestry, and in a wide range of industries, Cat?� C18 Industrial Diesel Engines deliver the power, performance and durability to take on the biggest challenges. More importantly, they're backed by the world-class Cat dealer network ready to service and support every Cat?� industrial engine. 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. This information about Emissions describes the particular rating's emissions technology. For more information about emissions certification, please contact your local Cat dealer.Industrial Power

Installation

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.

Safety

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.

  • Standard Equipment
  • Specs
  • Docs

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

Specs

Overview

Long Name:
Cat?� C18 Diesel Engine
Name:
C18
Brand:
Caterpillar
Status:
Current

Power Rating

Maximum Power
800 HP / 597 kW
Maximum Torque
2736 lb-ft @ 1300 rpm / 3710 Nm @ 1300 rpm
Rated Speed
1800-2000
Minimum Power
575 HP / 429 kW

Emission Standards

Emissions
EU Stage V

General

Engine Configuration
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
Aspiration
Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
Aftertreatment
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

Aftertreatment Dimensions*

Diameter
14 in / 356 mm

Aftertreatment Dimensions

Weight
600 lb / 272 kg

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

SEE HOW C18 COMPARES AGAINST FREQUENTLY COMPARED PRODUCTS.

Industrial Diesel Engines
C18
C18 Tier 4
Brand
Caterpillar
Status
Current
Maximum Power
800 HP / 597 kW
Maximum Torque
2736 lb-ft @ 1300 rpm / 3710 Nm @ 1300 rpm
Rated Speed
1800-2000
Minimum Power
575 HP / 429 kW
Emissions
EU Stage V
Engine Configuration
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
Aspiration
Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
Aftertreatment
DOC or DOC+DPF+SCR
Length
33.6 in / 854 mm
Width
11.3 in / 287 mm
Height
21.7 in / 551 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
3785 lb / 1717 kg
Industrial Diesel Engines
C15 China NR4
C15 Tier 4 Diesel Engine
Brand
Caterpillar
Status
Current
Maximum Power
580 HP / 433 kW
Maximum Torque
1958 lb-ft @ 1400 rpm / 2655 Nm @ 1400 rpm
Rated Speed
1800-2100 rpm
Minimum Power
475 HP / 354 kW
Emissions
China Nonroad Stage IV
Engine Configuration
In-Line 6
Bore
5.4 in / 137 mm
Stroke
6.7 in / 171 mm
Displacement
927.6 in³ / 15.2 l
Compression Ratio
17.0:1
Aspiration
Turbocharged-Aftercooled (TA)
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
Aftertreatment
DOC+DPF+SCR
Length
33.6 in / 854 mm
Width
11.3 in / 287 mm
Height
21.7 in / 551 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
3673 lb / 1666 kg
Industrial Diesel Engines
C18
C18 LRC Diesel Engines - Lesser Regulated & Non-Regulated
Brand
Caterpillar
Status
Current
Maximum Power
800 HP / 597 kW
Maximum Torque
2696 lb-ft @ 1400 rpm / 3655 Nm @ 1400 rpm
Rated Speed
1800-2100 rpm
Minimum Power
575 HP / 429 kW
Emissions
China Nonroad III, U.S. EPA Tier 3 equivalent or U.S. EPA Tier 2 equivalent, EU Stage IIIA equivalent, or Non-certified
Engine Configuration
Inline 6, 4-Stroke-Cycle Diesel
Bore
5.7 in / 145 mm
Stroke
7.2 in / 183 mm
Displacement
1104.5 in³ / 18.1 l
Compression Ratio
16.3:1
Aspiration
Turbocharged Aftercooled (TA)
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
Aftertreatment
-
Length
55.7 in / 1414 mm
Width
38.3 in / 974 mm
Height
49.5 in / 1257 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
3688 lb / 1673 kg