A3 ECU - Advantages

CAN J1939 data link Waterproof connectors, Maintenance-free, Backup ECU for redundant governing

A3 ECU - Electronic Advantages

Load feedback, Programmable droop, Adjustable gain, Adjustable fuel/air ratio control, Histograms of engine operation, Cat Messenger display presents diagnostics and other engine parameters

A3 ECU - Data Advantages through J1939 Link

Engine speed, Boost pressure, Throttle position, Fuel consumption rate, Inlet manifold temperature, Diagnostic codes and events, Configuration, Desired engine speed, Battery voltage, Engine load, Lifetime totals — engine hours, fuel burned, idle fuel, idle hours, Trip totals — average fuel rate, idle fuel, idle hours, engine hours, fuel burned, trip reset

Customer Interface Panel

Interfaces with standard Cat® Marine Monitoring System (PLC in Price List), Provides visual indication of ECU functionality, Accepts 4 — 20 mA or PWM remote throttle speed input, Marine alarm and protection

Electronic Unit Injectors

“Drop-in” installation, No threaded fuel connections, High pressure inside injector only, Does not require double wall fuel lines or leak collection device, Injector synchronization not required

Select Units


Generator Set Specifications

  • Minimum Rating 3520 ekW (4400 kVA) 3520 ekW (4400 kVA)
  • Maximum Rating 3640 ekW (4550 kVA) 3640 ekW (4550 kVA)
  • Frequency 50 Hz or 60 Hz 50 Hz or 60 Hz
  • Speed 1000 rpm (50 hz) or 900 rpm (60 hz) 1000 rpm (50 hz) or 900 rpm (60 hz)

Engine Specifications

  • Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled
  • Bore 11.0 in 280.0 mm
  • Stroke 11.8 in 300.0 mm
  • Displacement 13546.0 in³ 222.0 l
  • Governor Type Electronic Electronic
  • Fuel System EUI EUI
  • Compression Ratio 50 Hz 13.1 13.1
  • Compression Ratio 60 Hz 13:1 13:1
  • Engine Model Vee 12, 4-Stroke-Cycle Diesel Vee 12, 4-Stroke-Cycle Diesel

Generator Set Configurations

  • Emissions/Fuel Strategy EPA Tier 2, IMO II EPA Tier 2, IMO II

Generator Set Dimensions

  • Length 316.5 in 8040.0 mm
  • Width 77.2 in 1961.0 mm
  • Height 155.0 in 3937.0 mm
  • Weight - Estimated 25000.0 lb 11340.0 kg

C280-12 Standard Equipment

Air Inlet System

  • Aftercooler — fresh water, corrosion resistant coated (air side); air inlet shutoff; breather — crankcase, top-mounted; turbocharger — engine oil lubricated

Control System

  • Single Caterpillar® A3 electronic control unit (ECU) with electronic unit injector fuel system, rigid wiring harness (10 amp, 24 volt power required to drive ECUs)

Cooling System

  • Engine coolant water drains

Exhaust System

  • Dry, gas tight, exhaust manifold

Fuel System

  • Distillate fuel (requires viscosity ranging from 1.4 cSt to 20 cSt at 38° C), fuel transfer pump (mounted on left-hand side), duplex fuel filters, electronically controlled unit injectors

Lube Oil System

  • Centrifugal oil filters with single shutoff, service side engine mounted on cylinder block inspection covers includes installed oil lines and single shutoff valve, filters centrifuge bypass oil from the main lubricating oil pump, can be serviced with the


  • Caterpillar yellow paint; gear-driven pumps: fuel, oil, jacket water, aftercooler/oil cooler water; service literature

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