C9 ACERT™ Dry Manifold Engine  Well Servicing Engines

Well Service Engines C9 ACERT™ (Dry Manifold)

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Key Specs

Maximum Rating
375 BHP
280 bkW
EPA and CARB Non-Road Tier 3, EU Stage IIIA, IMO Tier II
EPA and CARB Non-Road Tier 3, EU Stage IIIA, IMO Tier II
538 in³
8.8 l


Cat C9 ACERT engines are the ideal solution for your demanding operations in the oilfield. Decades of field operation and intense research and development allow Cat C9 ACERT engines to deliver excellent performance with low operating costs and emissions. Equipment powered by C9 ACERT engines include workover rigs, pump skids, acidizing units, cementing units, coil tubing 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. C9 ACERT engines, with ratings: 205-280 bkW (275-375 bhp) @ 1800-2200 rpm, meet China Stage II, EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. U.S. EPA Tier 3 equivalent and EU Stage IIIA equivalent ratings are available using U.S. EPA and EU Flexibility. They are also available in other regulated and non-regulated areas.

Product Specifications for C9 ACERT™ (Dry Manifold)

Maximum Rating 375 BHP 280 bkW
Displacement 538 in³ 8.8 l
Minimum Rating 275 BHP 205 bkW
Governor and Protection Electronic (ADEM™ A3) Electronic (ADEM™ A3)
Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled
Flywheel and Flywheel Housing SAE 1 or 2 SAE 1 or 2
Flywheel Teeth 113 (SAE 1), 134 (SAE 2) 113 (SAE 1), 134 (SAE 2)
Rotation from Flywheel End Counterclockwise Counterclockwise
Stroke 5.87 in 149 mm
Bore 4.41 in 112 mm
Emissions EPA and CARB Non-Road Tier 3, EU Stage IIIA, IMO Tier II EPA and CARB Non-Road Tier 3, EU Stage IIIA, IMO Tier II
Length 43 in 1092 mm
Width 32.6 in 828 mm
Height 40.3 in 1024 mm
Weight 1578 lb 716 kg
Lube Oil System - Refill 8 gal (US) 30.3 l
Cooling System 3.7 gal (US) 13.9 l

C9 ACERT™ (Dry Manifold) Standard Equipment

Air Inlet System

  • Turbocharger, separate circuit (SCAC) or remote (REMAC) aftercooler
  • Single, right-side, center-mounted turbo with water-cooled turbine housing
  • Air inlet 101.6 mm (4 in) connection type

Control System

  • Electronic governing, PTO speed control
  • Programmable ratings
  • Cold mode start strategy
  • Automatic altitude compensation
  • Fuel cooled ECU
  • Power compensation for fuel temperature
  • Programmable low and high idle
  • Electronic diagnostics and fault logging
  • Programmable monitoring system (engine speed, temperature, pressure)
  • J1939 broadcast (diagnostic and engine status)
  • Electronic installation kit (connectors, PINS, sockets) (nonhazardous environment only)
  • Certified electrical control system (hazardous environment only)
  • Derated engine: automatic ambient temperature compensation

Cooling System

  • Thermostats and housing, RH forward-facing outlet — 51 mm (2.01 in) connection
  • Jacket water pump — belt-driven, centrifugal
  • Water pump — inlet RH facing downward 63 mm (2.48 in)

Exhaust System

  • Exhaust manifold — water-cooled
  • Single, center right-side mounted turbo with water-cooled turbine housing
  • Rear facing turbo exhaust 81.8 mm (3.22 in.) connection, non V-band clamp

Flywheels and Flywheel Housings

  • Mandatory selection of: SAE No. 1 or SAE No. 2 flywheel and housing, SAE standard rotation

Fuel System

  • HEUI fuel system
  • Fuel filter — secondary, LH (2-micron high performance)
  • Fuel transfer pump — left front
  • Fuel priming pump — left front

Lube System

  • Crankcase breather — LH
  • Crankcase fumes disposal with integrated service indicator, LH
  • Oil cooler — RH
  • Oil filter — RH
  • Oil pan — front sump
  • Oil filler — top mounted
  • Oil level gauge — LH side
  • Oil pump — gear-driven
  • Oil valve sampling
  • Preservation of turbocharger, flywheel, and crankcase

Power Take-Offs

  • Crankshaft drive pulley — 2 grooves, 190 mm (7.5 in) diameter, 22.3 mm (7/8 in) wide


  • Vibration damper
  • Lifting eyes
  • Automatic variable timing — electronic
  • Literature

Mandatory Options

  • Flywheel housing and flywheel
  • Throttle position sensor and/or throttle control (non-hazardous environment only)
  • Primary filter/water separator
  • Turbo orientation

C9 ACERT™ (Dry Manifold) Optional Equipment

Air Compressor

  • Air compressor governor

Air Inlet System

  • Air cleaners
  • Precleaner
  • Air inlet elbow
  • Air shutoffs

Charging Systems

  • Charging alternators
  • Alternator mountings and pulleys
  • Alternator belt tensioner

Cooling System

  • Radiators
  • Radiators
  • Fans f/u/w radiator packages
  • Coolant level sensor
  • Fan drive mountings, adapters, pulleys
  • Vee belts for customer-supplied radiators
  • Suction fans and blower fans
  • Water inlet elbows
  • Dry charge coolant conditioners

Emissions Certification

  • IMO Certification

Exhaust System

  • Flexible fitting
  • Turbocharger exhaust outlet adapters
  • Elbows, flange, pipes, clamp
  • Rain caps
  • Manifolds
  • Mufflers

Flywheels and Flywheel Housings

  • Crankshaft seal

Fuel System

  • Flexible fuel lines
  • Water separator and fuel filters
  • Fuel cooler


  • Gauges and instrument panels
  • Interconnect harnesses
  • Voltmeters
  • Gauge mounting
  • Ammeter

Lube System

  • Oil pan
  • Drain and cover
  • Oil level gauges
  • Remote oil filter
  • Oil fillers
  • Lubricating oil
  • Fumes disposal
  • Fumes disposal mounting

Mounting System

  • Structural steel base
  • Front and rear engine supports

Power Take-Offs

  • Enclosed clutch
  • Clutch supports
  • Flywheel stub shaft
  • Hydraulic pump drives
  • Hydraulic gear pumps
  • Pulley

Starting System

  • Starting aids
  • Electric starting motors — 12V and 24V
  • Battery sets — 12V and 24V (dry)
  • Battery cable

Transmission Arrangement

  • Transmission cooler


  • Tool set

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C9 ACERT™ Dry Manifold Engine Well Servicing Engines

C9 ACERT™ Dry Manifold Engine  Well Servicing Engines

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