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.
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
Aspiration Turbocharged-Aftercooled
Bore 5.12in
Displacement 681in³
Flywheel Teeth 113 (SAE 1), 138 (SAE 2)
Flywheel and Flywheel Housing SAE 1 or SAE 2
Governor and Protection Electronic (ADEM™ A3)
Maximum Rating 450BHP
Minimum Rating 325BHP
Rotation from Flywheel End Counterclockwise
Stroke 5.51in
Emissions EPA and CARB Non-Road Mobile Tier 3, EU Stage IIIA, IMO II
Height 46.3in
Length 47.3in
Weight 1967lb
Width 41.6in
Lube Oil System - Refill 9gal (US)
Turbocharger, mid-mounted
Air inlet elbow 90°, 104.5 mm (4.11" OD) hose connection
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
Thermostats and housing
Jacket water pump — gear-driven
Front water pump inlet
Exhaust manifold — dry
Front turbo exhaust
See Mandatory Options
Electronic unit injector
Fuel filter — secondary, mid-mount, (LH 2 micron high performance)
Fuel transfer pump — front
Fuel priming pump — LH mid-mount
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
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)
Vibration damper
Paint — Cat yellow
Lifting eyes
Automatic variable timing, electronic
Electronic installation kit (connectors, pins, sockets)
Literature
Flywheel housing or rear PTO
Throttle position sensor
Primary filter/water separator
Expansion chamber
Governors
Fittings
Air cleaners
Precleaners
Turbo air inlet
Air lines
Refrigerant compressor and mounting
Charging alternators
Alternator mountings
Alternator guard
Alternator accessories
Connection
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
Muffler
Flexible fitting
Elbows
Straight exhaust adapter
Flange
Pipe
Rain cap
Clamp
Fuel lines
Fuel cooler
Fuel fitting — fuel return and supply connections
Flexible fuel lines
Gauges and instrument panels
Voltmeters
Gauge mounting
Ammeter
Oil pan
Oil pan drain
Oil level gauges
Oil filter — bypass
Oil filter — remote
Lubricating oil
Oil filler
Fumes disposal
Front and rear engine supports
Structural steel base
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
Air shutoff
Air shutoff switch
Electric starting motors — 12 Volt, 24 Volt
Starting aids
Battery sets — 24 Volt, dry
Battery cable
Battery rack
Transmission cooler
