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The C280-12 generator set incorporates years of proven success of the 3600 engine with the latest technology in electronics. The result is a fully integrated solution that is ideal for offshore operations.Ideal applications for the C280-12 offshore generator set are main power on-board drilling and production vessels and platforms. These include jackup rigs, semi-submersible rigs, and production platforms.Complete package offerings are MCS type-approved and compliant with IMO Tier II emissions standards, making integration of the Cat C280-12 generator set into the vessel a simplified operation.The redundant ADEM A4 engine control system works together with the Cat Alarm and Protection to bring comprehensive generator set control, safety, and simple operator interface.Cat generator sets are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty.Cat C280-12 offshore generator set. Ratings: 3322-3900 ekW (4153-5571 kVA) @ 50/60 Hz (1000/900 rpm). IMO Tier II emissions compliant.

Engine Specifications

Minimum Rating 4640.0 kVa 3460.0 ekW Less
Maximum Rating 5444.0 kVa 4060.0 ekW Less
Emissions IMO Tier II/EPA Marine Tier 2 IMO Tier II/EPA Marine Tier 2 Less
Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled Less
Fuel System EUI EUI Less
Engine Control Dual ADEM™ A4 Dual ADEM™ A4 Less
Generator Set Control Cat® Alarm and Protection System Cat® Alarm and Protection System Less
Oil Change Interval 1000.0 hr 1000.0 hr Less
Weight 124561.0 lb 56500.0 kg Less
Stroke 11.8 in 300.0 mm Less
Bore 11.0 in 300.0 mm Less
Displacement 13546.0 in3 222.0 L Less


Length 319.9 in 8125.0 mm Less
Height 156.4 in 3973.0 mm Less
Width 101.1 in 2568.0 mm Less

Capacity for Liquids

Cooling System (Engine) 329.0 gal 1245.0 L Less
Lube Oil System (Refill) 339.0 gal 1283.0 L Less

Product Design

• Cat C280 engines are type approved by the followingmarine classification societies:- American Bureau of Shipping- Bureau Veritas- China Classification Society- Det Norske Veritas- Germanisher Lloyd- Lloyd’s Register of Shipping• IMO Tier II emissions certification, GL and CCSapproved• Cat alarm and protection system provides redundancyand the latest technology in generator set control,protection, and operator interface; type approved by thefollowing marine classification societies:- American Bureau of Shipping- Bureau Veritas- China Classification Society- Det Norske Veritas- Germanisher Lloyd- Lloyd’s Register of Shipping- Russian Maritime Register of Shipping

Simplified Packaging Concept

• Single-point AC and DC connection points at distribution panel• Ready-to-run package, includes most ancillary equipment• Few shipped-loose parts simplify handling at installation• Single-lift handling• Caterpillar warranty covers all factory package components worldwide

Custom Packaging

For any petroleum application, trust Caterpillar to meetyour project needs with custom factory generator setsand mechanical packages. Cat engines, generators,controls, radiators, and transmissions can be customdesigned and matched in collaboration with our localdealers to create unique solutions. Custom packagesare globally supported and are covered by a one-yearwarranty after startup.

Full Range of Attachments

Large variety of factory-installed engine attachmentsincreases application flexibility and reduces installationtime.Testing• Every unit is full-load tested to ensure proper packageperformance• Full range of factory tests and reports are availableincluding performance, torsional-vibration analysis, fuelconsumption, engine, and generator special tests


• Every unit is full-load tested to ensure proper packageperformance• Full range of factory tests and reports are availableincluding performance, torsional-vibration analysis, fuelconsumption, engine, and generator special tests

Product Support Offered Through the Global Cat Dealer Network

More than 2,200 dealer outletsCaterpillar factory-trained dealer technicians serviceevery aspect of your Cat engineCaterpillar parts and labor warrantyPreventive maintenance agreements available for repairbefore-failure optionsS•O•SSM program matches your oil and coolant samplesagainst Caterpillar set standards to determine:- Internal engine component condition- Presence of unwanted fluids and combustionby-products- Site-specific oil change interval

Over 80 Years of Engine Manufacturing Experience

• C280 engines incorporate over 20 years of provencomponent reliability and durability from 3600 engines• Large field population in offshore applications providesproven performance, reliability, durability, andestablished worldwide product support network

Web Site

Visit www.catoilandgasinfo.com to learn more.

C280-12 Standard Equipment

Product Consist
  • The engine is a turbocharged, aftercooled, four-strokecycle-diesel, electronic unit injection engine with a280 mm (11 in) bore by 300 mm (11.8 in) stroke. SAEstandard rotation is counterclockwise as viewed from therear of engine flywheel.

Emissions Certifications
  • GL and CCS approved IMO certificate — includesstatement of compliance or Engine International AirPollution Prevention (EIAPP) certificate, supplied by theRecognized Organization (RO) where available, andtechnical file to be kept on board per IMO regulations.

Marine Certification Society type-approval
  • ABS, BV, CCS, DnV, GL, LRS
  • Spray shielding to meet SOLAS regulations for flammablefluids

European Certifications
  • Declaration of Incorporation for EU Machinery Safety
  • Directive and EU Low Voltage Safety Directive

Air Inlet System
  • Fresh water aftercooler, corrosion resistant coated (airside)
  • Air inlet shutoff
  • Turbochargers (2), rear-mounted, oil lubricated
  • 90° adapter and straight adapters for air inlet toturbocharger
  • Air cleaners
  • Air cleaners with Cat dry paper filter elements(approximately 99.9% efficient at filtering SAEfine dust)

Control System
  • Dual Cat ADEM A4 electronic engine control module withelectronic unit injector fuel system, rigid wiring harness(10 amp 24V power required to drive electronic enginecontrol modules), direct rack control

Cooling System
  • Gear-driven jacket water (JW) pump
  • Gear-driven separate-circuit aftercooler/oil cooler (AC/OC) pump
  • Front-mounted water connections: JW and AC/OC, 6" ANSI
  • Jacket Water Thermostat Options:
  • AC/OC Thermostat Options:
  • Expansion Tank Options:

Exhaust System
  • Dry, gas tight exhaust manifold
  • Dual turbocharger, rear-mounted
  • Dual wastegate; hard shielding – SOLAS compliant
  • Exhaust manifold shields

Fuel System
  • Distillate fuel (requires viscosity ranging from 1.4 cStto 20 cSt at 38°C); fuel pump, gear-driven; fuel transferpump (mounted on left-hand side); duplex fuel filters,rear-engine-mounted; electronically controlled unitinjectors
  • ; crankcase breathers, top-mounted;turbochargers (2), front-mounted, oil lubricated

Lube System
  • Centrifugal oil filters and lines with single shutoff – RH mounted on cylinder block inspection covers, serviceable with the engine running
  • Oil pump, gear-driven
  • Oil filler and dipstick – located in base integrated tank
  • Oil pressure regulating valve
  • Duplex oil filter – accessory module mounted
  • Off engine mounted oil cooler – DTO quote required for package connections
  • Base integrated tank – DTO required
  • Electric continuous prelube pump
  • Redundant prelube with continuous electric prelube
  • Intermittent air prelube backup

Protection System
  • Flywheel and damper guards
  • Crankcase explosion relief valves

  • Cat Alarm and Protection SystemFeatures:

Starting System
  • TDI dual air starting motors, LH rear
  • Shutoff valve
  • Two integrated relay valves with built-in screen #40 meshand solenoid
  • Air pressure sensor, monitored by Cat Alarm and Protection System – requires customer wiring
  • Maximum operating (dynamic) pressure: 10 bar (150 psi)
  • Maximum static pressure: 14 bar (200 psi)
  • 3-inch ANSI flange customer connection; requires customer-provided 3-inch supply air line from receiver or regulator to airstarter and flex connection; if regulator is used, Cv of 40 or greater is required
  • Pressure reducing valve

Mounting System
  • Design-To-Order (DTO) base

  • Generator panel
  • Torsional coupling
  • Engine barring device options:

C280-12 Optional Equipment

Air Inlet System
  • Soot filter
  • Air cleaner support bracket

Cooling System
  • Jacket water heater
  • ANSI connection adapters

Exhaust System
  • Flexible exhaust fittings
  • Weld flanges

Fuel System
  • Manual fuel priming pump
  • Duplex primary fuel strainer

Lube System
  • Lube oil heater

Protection System
  • Cylinder pressure relief valve
  • Spray shielding
  • Oil mist detector

Mounting System
  • Vertically-restrained vibration isolators and weld plates

  • Accessory module – Front mounted for mountingexpansion tank, heat exchanger, instrument panel,annunciator panel, alarm and shutdown contactors, andfuel strainer
  • Engine testing — certified dynamometer test, fuelconsumption test, rated speed performance test,overload test, minimum power setting, peak firingpressure test, turbo work certificates, crankshaft workcertificates, standard and project-specific witness testing
  • Spare parts kit
  • Engine lifting eyes

  • Project-specific installation drawings
  • Electrical schematics and P&ID drawings