Oil And Gas

  • Specs Summary
  • Minimum Rating
    325 bhp (242 bkW)
  • Maximum Rating
    450 bhp (336 bkW)
  • Emissions
    EPA and CARB Non-Road Mobile Tier 3, EU Stage IIIA
  • Length
    47.3 in. (1201 mm)

C11 ACERT™ Dry Manifold Engine

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.

General Specifications

  • Minimum Rating 325 bhp (242 bkW)
  • Maximum Rating 450 bhp (336 bkW)
  • Governor and Protection Electronic (ADEM™ A3)
  • Aspiration Turbocharged-Aftercooled
  • Displacement 681 in3 (11.15 L)
  • 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. (140 mm)
  • Bore 5.12 in (130 mm)

Emissions

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

Dimensions

  • Length 47.3 in. (1201 mm)
  • Width 41.6 in. (1057 mm)
  • Height 46.3 in. (1176 mm)
  • Weight 1967 lb (892.22 kg)

Capacity for Liquids

  • Lube Oil System (refill) 9 gal (34 L)

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
  • 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

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
  • 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