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Well Service Engines

C11 ACERT™ Dry Manifold Engine

Maximum Rating

450 BHP

Emissions

EPA and CARB Non-Road Mobile Tier 3, EU Stage IIIA

Displacement

681 in³

SPECIFICATIONS

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.

    Capacity for Liquids

    Lube Oil System - Refill

    gal (US)

    Dimensions

    Length

    47.3 in

    Width

    41.6 in

    Height

    46.3 in

    Weight

    1,967 lb

    Emissions

    Emissions

    EPA and CARB Non-Road Mobile Tier 3, EU Stage IIIA

    General Specifications

    Maximum Rating

    450 BHP

    Displacement

    681 in³

    Minimum Rating

    325 BHP

    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

    5.51 in

    Bore

    5.12 in

    • 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

    • 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
      • Fan drive mountings
      • Fan height instructions
      • Fan adapters for suction fans
      • Fan adapters for blower fans
      • Suction fans
      • Blower fans
      • Coolant level sensor
      • Aftercooler lines
    • Exhaust System
      • Muffler
      • Flexible fitting
      • Elbows
      • Straight exhaust adapter
      • Flange
      • Pipe
      • Rain cap
      • Clamp
    • 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
      • Lubricating oil
      • Oil filler
      • Fumes disposal
    • 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
      • Hydraulic pump drive
      • Hydraulic pumps — front
      • Hydraulic pumps — rear
      • Enclosed Clutch
      • Clutch Support
    • 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

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