C13 ACERT™ Tier 4 Final Petroleum Engine

Well Service Engines C13 ACERT™ (Tier 4 Final)

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Key Specs

Maximum Rating
520 BHP
388 bkW
EPA Tier 4 Final and EU Stage IV
EPA Tier 4 Final and EU Stage IV
762.8 in³
12.5 l


Cat C13 ACERT engines are the ideal solution for your demanding operations in the oilfield. Decades of field operation and intense research and development allow Cat C13 ACERT engines to deliver excellent performance with low operating costs while meeting tight environmental requirements.This is an ideal engine for applications that require compliance with the highest emission standards in well service applications such as workover rigs, pump skids, acidizing units, cementing units, 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.C13 ACERT engines with ratings: 287-388 bkW (385-520 bhp) @ 1800-2100 rpm are designed to meet U.S. EPA Tier 4 Final, EU Stage IV 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.

Product Specifications for C13 ACERT™ (Tier 4 Final)

Maximum Rating 520 BHP 388 bkW
Displacement 762.8 in³ 12.5 l
Minimum Rating 385 BHP 287 bkW
Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled
Flywheel and Flywheel Housing SAE 1 SAE 1
Flywheel Teeth 113 113
Stroke 6.18 in 157 mm
Bore 5.12 in 130 mm
Emissions EPA Tier 4 Final and EU Stage IV EPA Tier 4 Final and EU Stage IV
Length 50.1 in 1272 mm
Width 39.2 in 996 mm
Height 44.6 in 1132 mm
Weight 2520 lb 1143 kg

C13 ACERT™ (Tier 4 Final) Standard Equipment

Control System

  • Electronic control system, over-foam wiring harness, automatic altitude compensation, power compensated for fuel temperature, remote fan control, configurable software features, engine monitoring system SAE J1939 broadcast and control, integrated Electronic Control Unit (ECU)

Cooling System

  • Cooling package provides additional auxiliary heat load capacity capable of a minimum 10% of engine rated power. See the Web Ambient Tool (https://wbdat.cat.com/) for estimated ambient capability based on rating, fan drive ratio, fan, altitude and auxiliary heat load.

Exhaust System

  • Mid-mount turbocharged system with front and rear exhaust configurations

Flywheels and Flywheel Housing

  • SAE No. 1 flywheel housing; available SAE 1 power take-off housing with optional SAE A, SAE B, and SAE C power take-off drives; engine power can also be taken from the front of the engine with optional attachments

Fuel System

  • MEUI injection; primary fuel filter, secondary fuel filters, fuel transfer pump, electronic fuel priming

Lube System

  • Open crankcase ventilation system with fumes disposal (optional OCV filter system); oil cooler, oil filler, oil filter, oil dipstick, oil pump (gear-driven); choice of sumps (front, rear, and center)


  • Paint: Cat yellow

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