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Land Mechanical Engines

Oil and gas producers have relied on Caterpillar since the industry's earliest days. For 60 years, we've powered the petroleum business on land. Now we go with it onto the ocean, hundred of miles out, thousands of feet down.

C18 ACERT Tier 4 Final

Cat C18 ACERT engines are the ideal solution for your demanding operations in the oilfield. Decades of field operation and intense research and development allow Cat C18 ACERT engines to deliver excellent performance with low operating costs while meeting tight environmental requirements.This is an ideal engine for applications that require Tier 4 Final or EU Stage IV emissions certifications land mechanical drilling equipment such as mud pumps. Cat C18 ACERT™ Industrial Diesel Engine. Ratings: 429-470 bkW (575-630 bhp)@ 2000 rpm are designed to meet U.S. EPA Tier 4 Final, EU Stage IV emission standards. Ratings 563-597 bkW (755-800 bhp) @ 1800 rpm are designed to meet U.S. EPA Tier 4 Final emission standards.

Product Details

Engine Specifications

Minimum Rating 563 bkW
Maximum Rating 597 bkW
Emissions U.S. EPA Non-road Tier 4 Final
Rated Speed 1800 RPM
Bore 145 mm
Stroke 183 mm
Displacement 18.1 L
Aspiration Turbocharged-Aftercooled
Governor and Protection ADEM A4
Engine Weight, net dry 1580 kg
Oil Change Interval 250 - 500
Rotation (from flywheel end) Counterclockwise
Flywheel and Flywheel Housing SAE No. 0 or SAE No. 1
Flywheel Teeth 136 (SAE 0), 113 (SAE 1)

Capacity for Liquids

Minimum Cooling System (engine only) 26.9 L


Length 1530 mm
Width 961 mm
Height 1282 mm
  • Air Inlet System
    •  Turbocharged Aftercooled
  • Turbocharged Aftercooled
    • Control System
      •  Electronic control system, over-foam wiring harness, automatic altitude compensation, power compensated for fuel temperature, configurable software features, engine monitoring system SAE J1939 broadcast and control, integrated Electronic Control Unit (ECU)
    • Cooling System
      •  Vertical outlet thermostat housing, centrifugal water pump
    • Vertical outlet thermostat housing, centrifugal water pump
      • Exhaust System
        •  Dry exhaust manifold, Diesel Oxidation Catalyst (DOC)
      • Dry exhaust manifold, Diesel Oxidation Catalyst (DOC)
        • Flywheels and Flywheel Housing
          •  SAE 0 and SAE 1 flywheel housing
        • 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, oil filter, oil dipstick, oil pump (gear driven), choice of sumps (front, rear, high-capacity center, and high-capacity front)
        • 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
        • General
          •  Paint: Cat yellow; vibration damper; lifting eyes

        360° Exterior View

        Built for it