C18 ACERT™ HazPak

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When the job takes you into a hazardous location, Cat® HazPak engines are ready. Our complete range of services and engine packages cover both industry standards and your operation with maximum safety. Cat C18 ACERT HazPaks are hazardous location power units that are the ideal solution for specialized and demanding operations in the oilfield. Units are hazardous-location certified from the factory to minimize installation design, time, and cost. HazPaks are certified to operate in potentially explosive environments. Cat hazpaks are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. Cat C18 ACERT HazPak. Rating: 533 bkW (715 bhp) @ 2100 rpm.

Package Specifications

  • Minimum Rating 715.0 BHP 533.0 bkW
  • Maximum Rating 715.0 BHP 533.0 bkW
  • Peak Torque - Speed 2809 N•m (2072 lb-ft) @ 1500 rpm 2809 N•m (2072 lb-ft) @ 1500 rpm
  • Displacement 1106.0 in³ 18.1 l
  • Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled
  • Governor and Protection Electronic ADEM™ A4 Electronic ADEM™ A4
  • Weight - Net Dry - Approximate 8137.0 lb 3691.0 kg
  • Oil Change Interval 250 hours 250 hours
  • Rotation from Flywheel End Counterclockwise Counterclockwise
  • Flywheel and Flywheel Housing SAE 0 or 1 SAE 0 or 1
  • Stroke 7.2 in 183.0 mm
  • Bore 5.7 in 145.0 mm
  • Flywheel Teeth 136 (SAE 0), 113 (SAE 1) 136 (SAE 0), 113 (SAE 1)
  • Emissions IMO Tier II IMO Tier II

Capacity for Liquids

  • Lube Oil System - Refill 16.9 qt (US) 64.0 l
  • Cooling System 124.5 qt (US) 117.8 l

Making Your Investment Work Harder

• Factory-certified package for hazardous location applications allow simplified rig certification for OEM • Maintains high power over broad range of operating speeds, improving performance • Steady torque rise provides superior load acceptance • Optimized ambient and altitude capabilities for operating flexibility

Committed to Sustainable Development

• Meets today's emission standards for well service applications - IMO II

Driving Down Total Cost of Ownership

• Improved serviceability versus the competition • Industry-leading component overhaul life • Rugged Caterpillar testing on all components improves uptime

Product Support Offered Through Global Cat Dealer

• More than 2,200 dealer outlets • Caterpillar factory-trained dealer technicians service every aspect of your petroleum engine • Caterpillar parts and labor warranty

Web Site

For all your petroleum power requirements, visit

Web Site

For all your petroleum power requirements, visit

C18 ACERT™ HazPak Standard Equipment

Air Inlet System

  • Dry-type two-element air filter with restriction indicator, separate circuit aftercooler with ATEX approved air shutoff valve, inlet flame arrestor

Control System

  • Industry-standard ADEM A4 control system; inlet air shutoff valve for integration with supervisory safety system; electronic governing, programmable ratings, automatic altitude compensation, power compensation for fuel temperature, electronic diagnost

Cooling System

  • Cooling package designed for 45°C ambient capability; separate cooling circuit for aftercooler; offshore-capable radiators for jacket water and aftercooler circuits are manufactured using steel fabrications, galvanized solder dipped cooling elements a

Exhaust System

  • Exhaust gas cooler, plenum, and outlet box assembly; ATEX compliant - designed to limit the exhaust gas and exhaust duct surface temperatures to T3 (200°C); exhaust gas flametraps suitable for Gas Group IIA; designed and tested in accordance with the

Flywheels and Flywheel Housing

  • SAE No. 1 cast iron housing; flywheel for SAE-1 housing, pilot bore for 100 mm diameter bearings; provides LH and RH starter bore location

Fuel System

  • Electronic unit injector, upward-angled fuel priming pump, primary filter and water separator, engine-mounted secondary fuel filter


  • Package ambient capability is -20°C to 45°C; mechanical systems are designed for gas group IIA, electrical systems are designed for gas group IIC, all systems meet temperature class T3 (200°C limit); includes a declaration of conformity for the entire

Lube System

  • Oil cooler, LH oil gauge

C18 ACERT™ HazPak Optional Equipment

Air Compressor

  • Belt-driven, two-cylinder, single-stage, reciprocating with a rated displacement of 13.2 cfm at 1250 rpm compressor speed; includes two environmental drains

Charging System

  • 24V 35A EX d ATEX compliant alternator for Gas Group IIB, temperature class T3; heavy-duty, brushless. 24V 65A alternator, NEC 500 Class 1 Division 2 for Gas Groups C&D, temperature Class T3; heavy-duty, brushless. 24V 55Ah EX d e II T4 increased safe

Control System

  • Air, electric, or hydraulic shutdown system input options available
  • Throttle knob speed control - shipped loose if no control panel option selected; ATEX approved 24V operation; twist knob, locking design; 2-turns, low to high speed; CCW rotation to increase engine speed, push in or turn CW to return to low idle
  • Messenger display - shipped loose if no control panel option selected; electronic display unit for monitoring key engine operation data and diagnostic information on a full graphic LCD screen; four select buttons to scroll through the engine data and
  • PCS2 control board - provides supervisory safety system functionality and overspeed shutdown control; includes start button, run/stop switch, emergency stop button, mounting locations for throttle control and messenger display, userconfigurable alarm a
  • 3GP control panel - provides gas detection, supervisory safety system functionality, and overspeed shutdown control; allows operation without exhaust flame traps; includes start button, run/stop switch, emergency stop button, mounting locations for th

Fuel System

  • Fuel cooler, installed, maintains acceptable fuel temperature when running from day tank

Starting System

  • Air and hydraulic starters available

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