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Caterpillar C18 Diesel Engine

Description For C18

The Cat® C18 Industrial Diesel Engine boasts a versatile range of ratings, spanning from 429 to 522 bkW (575 to 700 bhp)@ 1800-1900 rpm. This powerhouse engine finds application across a spectrum of industries, demonstrating its adaptability and reliability.

Industries and applications powered by the engine encompass a broad spectrum, including 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.

Whether it’s propelling earthmoving equipment on a construction site, driving pumps in mining operations, or providing reliable power for agricultural tractors, the Cat Engine stands out as a trusted and versatile solution across various industrial landscapes. With its robust design and a wide range of applications, the engine exemplifies Caterpillar’s commitment to delivering power and performance across diverse sectors.

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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, it is a fully-configurable engine giving owners the power to customize based on a variety of applications.


Maximum Power800 HP
Maximum Torque2736 lb-ft @ 1300 rpm
Rated Speed1800-2000
Minimum Power575 HP


EmissionsEU Stage V


Engine ConfigurationIn-Line 6
Bore5.7 in
Stroke7.2 in
Displacement1104.5 in³
Compression Ratio16.0:1
AspirationTurbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
Combustion SystemDirect Injection
Rotation from Flywheel EndCounterclockwise
AftertreatmentDOC or DOC+DPF+SCR


Length56.6 in

Width44.6 in

Height53.4 in

Weight – Net Dry – Basic Operating Engine Without Optional Attachments 3785 lb


Length45.4 in
Width43.8 in
Height25.7 in
Weight600 lb


Length33.6 in
Width11.3 in
Height21.7 in
Weight42.8 lb
Volume Capacity51.1 qt (US)


What is the power range of cat C18?

The C18 ACERT marine propulsion engine has commercial application ratings of 475-725 mhp (469-715 bhp) at 1800-2100 rpm that meet U.S. EPA Tier 3, IMO II, and EU IW emissions regulations.

What is the capacity of the C18?

The load capacity for reaction 1 is 102 mg on a 12-gram C18 column.

How many liters is a C18?

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.

What is the BHP of Caterpillar C18?

575-700 bhp

Cat® C18. The Industrial Diesel Engine is offered in ratings ranging from 429-522 bkW (575-700 bhp)@ 1800-1900 rpm.

For More Information about C18 Compatible filters Click Here

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