C18 Tier 4


C18 Tier 4 Standard Equipment

  • Clean Emission Module, Exhaust Pipe Kits, Elbows, Shields, CEM Mounts and CEM Interconnect Harness Pump Electronic Tank Unit (PETU) via DTO

Air Inlet System
  • Air Cleaners
  • Air Shut-Off via DTO

Control System
  • EMCP 4.4 Control Panel

Control Panels
  • EMCP 4.4 Control Panel

Cooling System
  • Thermostats and Housing, full open temp. 92 C (198 deg F)
  • Jacket Water Pump, gear driven, centrifugal
  • Radiator available via DTO

Flywheels and Flywheel Housing
  • Flywheel & Flywheel Housing, SAE No. 0

Fuel System
  • Fuel Priming Pump
  • Flex Fuel Lines
  • Flex Transfer Pump
  • Primary Fuel Filter with integral Water Separator options

Generators and Generator Attachments
  • Generator available via DTO

Governing System
  • ADEM A4

Lube System
  • Sump Oil Pan
  • Oil Filter
  • Oil Filler - LH Front
  • Oil Dip Stick - LH
  • Oil Drain Valves
  • Fumes Disposal - left side
  • Gear-type lube Oil Pump
  • Oil Cooler

Power Take Off
  • SAE B and SAE C drives available, engine power can also be taken from the front of the engine on some applications

Mounting System
  • Base available via DTO

Starting System
  • Starter available via DTO

  • Paint, Caterpillar Yellow
  • Vibration Damper
  • Engine Lifting Eyes


C18 Tier 4 Final Oil Field Genset

General Specifications

Rating 528.0 bhp 455.0 ekW Less
Governor and Protection Electronic (ADEM™ A4) Electronic (ADEM™ A4) Less
RPM 1800.0 RPM 1800.0 RPM Less
Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled Less
Displacement 1106.36 in3 18.1 L Less
Flywheel and Flywheel Housing SAE No. 0 SAE No. 0 Less
Rotation (from flywheel end) Counterclockwise Counterclockwise Less
Stroke 7.2 in 183.0 mm Less
Bore 5.7 in 145.0 mm Less


Emissions U.S. EPA/CARB Tier 4 Final/Stage IV U.S. EPA/CARB Tier 4 Final/Stage IV Less


Length 144.0 in 3652.0 mm Less
Width 72.0 in 1816.0 mm Less
Height 93.5 in 2374.0 mm Less
Weight 12196.0 lb 5532.0 kg Less

Engine Design

Extensive validation program comprising millions of hours of testing in heavy duty applications to prove component reliability and durability. - Common technology is used in key engine systems across multiple engine models (emissions control components, turbocharger, electronics). - Robust engine design that provides long life to overhaul. - Engine is designed for multiple rebuilds. - Engines are built at a new world class facility in Seguin, TX (USA) that employs the latest in manufacturing techniques to ensure the highest engine quality. - Optimized SCR+DOC+DPF aftertreatment to meet EPA/CARB Tier 4F/Stage IV emissions regulations. - Cat engines use up to 3x less DEF than SCR only solutions - Emissions control strategy (DPF+SCR) allows for optimized combustion strategy, maximizing fuel efficiency.

Ready to Run

Shipped from the factory complete and ready to run

Low Owning and Operating Costs

Paralleling and load sharing capability with Smart Engine Management System (SEMS) - Reliable & dependable for maximum uptime in the most demanding Oil & Gas applications - Improved fuel efficiency translates to lower operating costs

Custom Packaging

For any oilfield application, trust Caterpillar to meet your project needs with custom factory generator sets and mechanical packages. Cat engines, generators, controls, radiators, and transmissions can be custom designed and matched in collaboration with our local dealers to create unique solutions. Custom packages are globally supported and are covered by a oneyear warranty after startup.


Every Cat engine is full-load tested to ensure proper engine performance - Standard configurations are assembled, tested, and validated as a package to ensure performance, reliability and durability

Product Support Offered through Cat Dealer

More than 2200 dealer outlets - Caterpillar factory-trained dealer technicians service every aspect of your Cat product - Worldwide parts availability, service, and warranty - Preventative maintenance agreements available for repair before failure options - Internal engine component condition - Presence of unwanted fluids and combustion by-products - Site-specific oil change interval

Over 80 Years of Engine Manufacturing Experience

The Caterpillar Production System enables manufacturing of products with the highest quality standards for long and dependable operation

Web Site

For all your oil & gas power requirements, visit

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