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336 Excavator

  • Specs Summary
  • Minimum Rating
    600 BHP (447 bkW)
  • Maximum Rating
    755 BHP (563 bkW)
  • Emissions
    ( )
  • Length
    60.2 in (1530 mm)

C18 ACERT™ Tier 4 Interim Engine

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 C15 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 Interim or EU Stage IIIB emissions certifications in well service applications such as pump skids, nitrogen units, acidizing units, cementing units, blenders, and hydraulic power units. Cat engines are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. C18 ACERT engines with ratings: 447-522 bkW (600-700 bhp)@ 1800-1900 rpm meet U.S. EPA Tier 4 Interim, EU Stage IIIB emission standards. Rating 563 bkW (755 bhp) @ 1800-1900 rpm meets U.S. EPA Tier 4 Interim emission standards. This information about Emissions describes the particular rating's emissions technology. For more information about emissions certification, please contact your local Cat dealer.
  • Minimum Rating 600 BHP (447 bkW)
  • Maximum Rating 755 BHP (563 bkW)
  • Governor and Protection ( )
  • Aspiration ( )
  • Displacement 1104.5 in³ (18.1 l)
  • Flywheel and Flywheel Housing ( )
  • Flywheel Teeth ( )
  • Rotation from Flywheel End ( )
  • Stroke 7.2 in (183 mm)
  • Bore 5.7 in (145 mm)
  • Emissions ( )
  • Length 60.2 in (1530 mm)
  • Width 37.8 in (961 mm)
  • Height 51 in (1282 mm)
  • Weight 3482 lb (1580 kg)
  • Cooling System 7.1 gal (US) (26.9 l)
  • RPM 1900 r/min (1800 r/min)

Standard Equipment

Air Inlet System

  • 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) remote fan control

Cooling System

  • Vertical outlet thermostat housing, centrifugal water pump, guidance on cooling system design available to ensure machine reliability

Exhaust System

  • Clean Emissions Module (CEM) that includes Diesel Particulate Filter (DPF), Diesel Oxidation Catalyst (DOC), and Cat Regeneration System, optional exhaust outlet

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, and center)

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


  • Paint: Cat yellow; vibration damper; lifting eyes

Optional Equipment