C18

Cat® C18 Diesel Engine

C18 Tier 4

DESCRIPTION

The Cat® C18 Industrial Diesel Engine is offered in ratings ranging from 429-597 kW (575-800 hp) @ 1800-2000 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.

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.

Fluid Efficiency

The C18 TTA fluid consumption has been optimized to match operating cycles of a wide range of applications while maintaining low operating costs. No diesel exhaust fluid (DEF) is required on these C18 variants which means a lifetime of low costs of operation.

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

Reliable, Quiet, and Durable Power

World-class manufacturing capability and processes coupled with proven core engine designs provide reliability, quiet operation, and many hours of productive life.

  • Specs
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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
U.S. EPA Tier 4 Final, EU Stage V

General

Number of Cylinders
6 vertical in-line
Displacement
1104.5 in³ / 18.1 l
Aspiration
Turbocharged-Aftercooled (TA) or Series Twin Turbocharged Aftercooled (TTA)
Bore
5.7 in / 145 mm
Stroke
7.2 in / 183 mm
Combustion System
Direct Injection
Compression Ratio
16.0:1
Aftertreatment
DOC+DPF+SCR or DOC
Rotation from Flywheel End
Anti-clockwise
Cooling System
Liquid

Engine Dimensions*

Length
61 in / 1545 mm
Width
45 in / 1141 mm
Height
53 in / 1334 mm
Dry Weight
3875 lb / 1758 kg
Wet Weight
3945 lb / 1790 kg

Disclaimer

Note 1
*Final dimensions dependent on selected options

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
U.S. EPA Tier 4 Final, EU Stage V
Displacement
1104.5 in³ / 18.1 l
Aspiration
Turbocharged-Aftercooled (TA) or Series Twin Turbocharged Aftercooled (TTA)
Bore
5.7 in / 145 mm
Stroke
7.2 in / 183 mm
Combustion System
Direct Injection
Compression Ratio
16.0:1
Aftertreatment
DOC+DPF+SCR or DOC
Rotation from Flywheel End
Anti-clockwise
Length
61 in / 1545 mm
Width
45 in / 1141 mm
Height
53 in / 1334 mm
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
Displacement
1104.5 in³ / 18.1 l
Aspiration
Turbocharged Aftercooled (TA)
Bore
5.7 in / 145 mm
Stroke
7.2 in / 183 mm
Combustion System
Direct Injection
Compression Ratio
16.3:1
Aftertreatment
-
Rotation from Flywheel End
Counterclockwise
Length
55.7 in / 1414 mm
Width
38.3 in / 974 mm
Height
49.5 in / 1257 mm
Industrial Diesel Engines
C18 China NR4 (<560kW)
C18 Tier 4
Brand
Caterpillar
Status
Current
Maximum Power
630 hp / 470 kW
Maximum Torque
2178 lb-ft @ 1300 rpm / 2953 Nm @ 1300 rpm
Rated Speed
1800-2000
Minimum Power
575 hp / 429 kW
Emissions
China Nonroad Stage IV
Displacement
1104.5 in³ / 18.1 l
Aspiration
Turbocharged-Aftercooled (TA)
Bore
5.7 in / 145 mm
Stroke
7.2 in / 183 mm
Combustion System
Direct Injection
Compression Ratio
16.0:1
Aftertreatment
DOC or DOC+DPF+SCR
Rotation from Flywheel End
Counterclockwise
Length
33.6 in / 854 mm
Width
11.3 in / 287 mm
Height
21.7 in / 551 mm