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C11 ACERT™ (Dry Manifold) Well Service Engines

Cat C11 ACERT engines are the ideal solution for your demanding operations in the oilfield. Decades of field operation and intense research and development allow Cat C11 ACERT engines to deliver excellent performance with low operating costs and emissions. Equipment powered by C11 ACERT engines include 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. C11 ACERT engines, with ratings: 242-336 bkW (325-450 bhp) @ 1800-2100 rpm, meet China Stage II, EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. They are available using U.S. EPA and EU Flexibility, and for other regulated and non-regulated areas.

C11 ACERT™ (Dry Manifold)

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The Cat® C11 ACERT™ (Dry Manifold) is built for reliable performance in the oil and gas range, backed by Al-Bahar's regional service and support network.

Maximum Rating
450 BHP
Emissions
EPA and CARB Non-Road Mobile Tier 3, EU Stage IIIA, IMO II
Displacement
681 in³
Minimum Rating
325 BHP
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  • Specifications
  • Features
  • Standard Equipment

Specifications

General Specifications specifications
Maximum Rating 336 bkW
Displacement 11.15 l
Minimum Rating 242 bkW
Governor and Protection Electronic (ADEM™ A3)
Aspiration Turbocharged-Aftercooled
Flywheel and Flywheel Housing SAE 1 or SAE 2
Flywheel Teeth 113 (SAE 1), 138 (SAE 2)
Rotation from Flywheel End Counterclockwise
Stroke 140 mm
Bore 130 mm

Features

Custom Packaging

For any petroleum application, trust Caterpillar to meet your project needs with custom factory generator sets and mechanical packages. Cat engines, generators, controls, radiators, and transmissions can be custom designed and matched in collaboration with our local dealers to create unique solutions. Custom packages are globally supported and are covered by a one year warranty after startup.

Transmissions

Caterpillar has a full line of engine-transmission packages that can be fully integrated with your axle, hydraulics, and operator interface. Cat transmissions deliver continuous operation under full load, smooth shifting at any speed, and maximum up time, with unmatched durability and easy maintenance.

Full Range of Attachments

Large variety of factory-installed engine attachments reduces packaging time

Testing

Every engine is full-load tested to ensure proper engine performance.

Product Support Offered Through Global Cat Dealer

        
  • More than 2,200 dealer outlets
    •     
  • Cat factory-trained dealer technicians service every aspect of your petroleum engine
    •     
  • Cat parts and labor warranty
    •     
  • Preventive maintenance agreements available for repair before-failure options
    •     
  • S·O·S℠ program matches your oil and coolant samples against Caterpillar set standards to determine: Internal engine component condition, Presence of unwanted fluids, Presence of combustion by-product

Standard Equipment

Air Inlet System
  • Turbocharger, mid-mounted
  • Air inlet elbow 90°, 104.5 mm (4.11" OD) hose connection
Control System
  • Electronic governing, PTO speed control
  • Programmable ratings
  • Cold mode start strategy
  • Automatic altitude compensation
  • Power compensation for fuel temperature
Cooling System
  • Thermostats and housing
  • Jacket water pump — gear-driven
  • Front water pump inlet
Exhaust System
  • Exhaust manifold — dry
  • Front turbo exhaust
Flywheels and Flywheel Housings
  • See Mandatory Options
Fuel System
  • Electronic unit injector
  • Fuel filter — secondary, mid-mount, (LH 2 micron high performance)
  • Fuel transfer pump — front
  • Fuel priming pump — LH mid-mount
Lube System
  • Crankcase breather
  • Oil cooler
  • Oil filter — RH
  • Oil pan — front sump, 40 L capacity
  • Oil filler — LH front
Power Take-Offs
  • Crankshaft pulley and damper — 250 mm (9.84 in), 2 grooves 22.3 mm (.87 in) width
  • Hydraulic pump drive — SAE A, 11 tooth
  • 1.41:1 drive ratio — counterclockwise rotation (45 lb-ft capacity)
General
  • Vibration damper
  • Paint — Cat yellow
  • Lifting eyes
  • Automatic variable timing, electronic
  • Electronic installation kit (connectors, pins, sockets)
Mandatory Options
  • Flywheel housing or rear PTO
  • Throttle position sensor
  • Primary filter/water separator

Optional Equipment

Air Compressor

  • Expansion chamber
  • Governors
  • Fittings

Air Inlet System

  • Air cleaners
  • Precleaners
  • Turbo air inlet
  • Air lines

Belt-Driven Accessories

  • Refrigerant compressor and mounting

Charging System

  • Charging alternators
  • Alternator mountings
  • Alternator guard
  • Alternator accessories

Control System

  • Connection

Cooling System

  • Radiator — installed
  • Fan drive f/u/w Caterpillar installed radiator
  • Fan drive pulleys f/u/w customer-supplied radiators
  • Coolant conditioner
  • Water lines — pump inlet

Exhaust System

  • Muffler
  • Flexible fitting
  • Elbows
  • Straight exhaust adapter
  • Flange

Fuel System

  • Fuel lines
  • Fuel cooler
  • Fuel fitting — fuel return and supply connections
  • Flexible fuel lines

Instrumentation

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

Lube System

  • Oil pan
  • Oil pan drain
  • Oil level gauges
  • Oil filter — bypass
  • Oil filter — remote

Mounting System

  • Front and rear engine supports
  • Structural steel base

Power Take-Offs

  • Crankshaft pulleys
  • Crankshaft pulley — stack-on
  • Output flange
  • Flywheel stub shaft
  • Front stub shaft

Protection System

  • Air shutoff
  • Air shutoff switch

Starting System

  • Electric starting motors — 12 Volt, 24 Volt
  • Starting aids
  • Battery sets — 24 Volt, dry
  • Battery cable
  • Battery rack

Transmission Arrangement

  • Transmission cooler