Well service engines

C11 ACERT™ (Dry Manifold)

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.

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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

Over 80 Years of Engine Manufacturing Experience

  • Ownership of these manufacturing processes enables Caterpillar to produce high quality, dependable products.

Website

  • For all your petroleum power requirements, visit cat.com/oilandgas.
General Specifications
Maximum Rating450.0 BHP
Displacement681.0 in³
Minimum Rating325.0 BHP
Governor and ProtectionElectronic (ADEM™ A3)
AspirationTurbocharged-Aftercooled
Flywheel and Flywheel HousingSAE 1 or SAE 2
Flywheel Teeth113 (SAE 1), 138 (SAE 2)
Rotation from Flywheel EndCounterclockwise
Stroke5.51 in
Bore5.12 in
Emissions
EmissionsEPA and CARB Non-Road Mobile Tier 3, EU Stage IIIA, IMO II
Dimensions
Length47.3 in
Width41.6 in
Height46.3 in
Weight1967.0 lb
Capacity for Liquids
Lube Oil System - Refill9.0 gal (US)

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
  • Programmable low and high idle and TEL
  • Electronic diagnostics and fault logging
  • Engine monitoring system — speed, temperature, pressure
  • J1939 Broadcast — diagnostic and engine status

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
  • Oil dipstick — LH mid-mount
  • Oil pump
  • Oil valve sampling — on oil filter base

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)
  • Literature

Mandatory Options

  • Flywheel housing or rear PTO
  • Throttle position sensor
  • Primary filter/water separator
  • C11 ACERT 242-336 bkW (325-450 bhp) 2100 rpm
    application/pdf

Need installed dimensions with enclosure and tank? See Model Configurations