New CAT Equipment

C280-12 Generator Set (Medium Speed)


Producing reliable power from 3300 to 3640 ekW at 60 Hz and 4400 to 4850 kVA at 50Hz, our C280-12 diesel generator sets are made to meet your mission critical, continuous, standby and prime applications. We've designed each to ISO 8528-5 transient response requirements and to accept 100% rated load in one step. The generator set can be configured to meet IMO/EPA Tier 2 or EPA Tier 4 Final.

Get a Quote


    Over 200,000,000 Operating hours

    at Global locations

    Up to 10% Better Fuel Economy

    Demonstrated savings

    Over 20% Reduction in Service Time

    Two inspection ports per cylinder, segmented camshafts and individual heads ease service
    • Engine Specifications
      11 in
      Compression Ratio
      13524 in³
      Engine Model
      C280-12, V-12,4-Stroke Water-Cooled Diesel
      Fuel System
      Direct unit injection
      Governor Type
      Generator Set Monitoring System (GMS)
      11.8 in
    • Generator Set Dimensions
      Dry Weight - Genset (maximum)
      112690 lb
      Height - Maximum
      156.6 in
      Length - Maximum
      404 in
      Width - Maximum
      99.62 in
    • Generator Set Specifications
      Duty Cycle
      Prime, Continuous
      Emissions/Fuel Strategy
      EPA Tier 4 Final, IMO Tier 2
      50 / 60 Hz
      Maximum Rating
      3640 ekW (60Hz), 4850 kVA (50Hz)
      Minimum Rating
      3300 ekW (60Hz), 4400 kVA (50Hz)
      900 / 1000 rpm
    Air Inlet System
    • Air cleaner
    • Air inlet shutoff
    • Breather, crankcase, top-mounted
    • Turbocharger, watercooled, engine oil lubricated
    • Aftercooler, fresh water, corrosion resistant coated (air side)
    Cooling System
    • Front mounted turbos
    • Jacket water thermostats
    • Water temperature regulator
    • Engine coolant water drains
    • Three-bundle oil cooler
    Exhaust System
    • 457 mm (18 in) Cat bolt pattern
    • Dry, gas tight, exhaust manifold
    • Includes adapter, flexible exhaust fitting
    Fuel System
    • Simplex or duplex
    Generator System
    • Custom generator per generator data sheet completed by Dealer
    Governor System
    • UG Actuator
    Lube System
    • Oil filler and dipstick
    • Centrifugal oil filters with single shutoff
    • Crankcase explosion relief valves
    • Oil pressure regulating valve
    • Wet oil sump. Includes engine-driven main lubrication and oil pumps, oil lines and oil pan
    • Service side engine mounted on cylinder block inspection covers
    Mounting System
    • Engine and generator mounting
    • Damper, torsional vibration
    Starting / Charging System
    • Vane type air starter
    • Two motors, engine mounted at rear, on left side
    • Line group for single point custom connection
    • Air silencer
    • Gear driven pumps: Fuel/oil/jacket water/aftercooler/Oil cooler water
    • Paint, Caterpillar yellow
    Air Inlet System
    • Boost control valve
    • Soot filter
    • Heavy duty air cleaner
    • Air cleaner louver assembly
    • Vertical support bracket
    • Air inlet adapter
    Cooling System
    • Expansion tank
    • Heating aids
    • Cooling system aids
    • Heat exchanger for single circuit
    • Auxiliary water pump
    Exhaust System
    • Weld flange and related hardware
    • Flexible exhaust fittings
    Fuel System
    • Fuel priming pump
    • Fuel system connections
    • Duplex primary fuel strainer
    Generator System
    • Anti-condensation space heaters
    • Winding temperature detectors
    • Busbar connections
    • Class F insulation
    • 3 Phase, six leads, WYE
    Governor System
    • Battery backup/power supply
    • Electronic/actuators
    • 723 Plus
    • 230 UA
    • EGB actuator
    • Digital programmers
    Lube System
    • Lube ANSI adapter (Emergency connection)
    • Oil pan drain valve
    Mounting System
    • Spring type vibration isolators
    • Non-vertically restrained
    • Isolator
    • Vertically restrained
    Starting / Charging System
    • Compressed air flex hose
    • Turbine type air starters
    • Redundant air starters
    • Pressure reducing valve
    • Custom paint colors