C27 ACERT™ Tier 4 Final Engine

Cat C27 ACERT engines are the ideal solution for your demanding operations in the oilfield. Decades of field operation and intense research and development allow Cat C27 ACERT engines to deliver excellent performance with low operating costs while meeting the tightest environmental requirements. This is an ideal engine for applications that require Tier 4 Final emissions certifications in well service application such as well stimulation, pump skids, nitrogen units, acidizing 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. C27 ACERT engines, with ratings: 597-708 bkW (800-950 bhp) @ 1800 rpm are designed to meet U.S. EPA Tier 4 Final 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.

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Minimum Rating 800 BHP
Maximum Rating 950 BHP
Governor and Protection ADEM A4
Aspiration Turbocharged-Aftercooled
Displacement 1648 in³
Flywheel and Flywheel Housing SAE No. 0
Flywheel Teeth 136
Rotation from Flywheel End Counterclockwise
Stroke 6 in
Bore 5.4 in
Emissions U.S. EPA Tier 4 Final
Length 85 in
Width 49 in
Height 63 in
Weight 6151 lb
Cooling System 15.9 gal (US)
Air Inlet System
  • Twin rear-mounted turbochargers, ATAAC
Control System
  • Automatic altitude compensation; power compensation for fuel temperature; electronic diagnostics and fault logging; engine monitoring and protection system (speeds, temperature, pressure); J1939 Broadcast (diagnostic, engine status and control); ADEM A4 electronic control
Cooling System
  • Thermostats and housing; jacket water pump, geardriven, centrifugal, RH
Exhaust System
  • Exhaust dry manifold, 127 mm (5 in) slip fit connection, diesel oxidation catalyst
Fuel System
  • Mechanical Electronic Unit Injection (MEUI™) system; primary, secondary, and tertiary fuel filter; electronic fuel priming pump-integrated with primary fuel filter base; fuel transfer pump
Lube System
  • Remote-mounted oil filters and RH-side blockmounted filters are available; crankcase fumes disposal system, RH mounted; oil cooler — RH; oil filler — RH; oil level gauge — RH; shallow rear sump oil pan — 250-hour