C280-12 Commercial Propulsion Engines

Commercial Propulsion Engines C280-12 Tier 4/ IMO III

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Key Specs

Power Range
4962-5444 bhp (3700-4060 bkW)
4962-5444 bhp (3700-4060 bkW)
Speed Range
1000 rpm
1000 rpm
EPA Tier 4, IMO II
EPA Tier 4, IMO II


Building on the durability and reliability of the C280 engine platform, Caterpillar is pleased to offer the EPA Tier 2 compliant C280 engine line. The core components are the same as the existing C280, including the latest in EUI fuel system capabilities and state-of-the-art ADEM™ A3 Electronic Control Unit (ECU) features. Caterpillar® products continue to deliver more available power while delivering outstanding fuel efficiency. You can also count on long maintenance intervals and worldwide Caterpillar parts and service availability.

Product Specifications for C280-12 Tier 4/ IMO III

Power Range 4962-5444 bhp (3700-4060 bkW) 4962-5444 bhp (3700-4060 bkW)
Speed Range 1000 rpm 1000 rpm
Emissions EPA Tier 4, IMO II EPA Tier 4, IMO II
Aspiration TTA TTA
Bore 11 in 280 mm
Stroke 11.8 in 300 mm
Displacement 13546 in³ 222 l
Rotation from Flywheel End Counterclockwise or clockwise Counterclockwise or clockwise
Configuration Vee 12, 4-Stroke-Cycle Diesel Vee 12, 4-Stroke-Cycle Diesel
Minimum Dry Weight 57276 lb 25980 kg
Minimum Length 182 in 4623 mm
Maximum Length 182 in 4623 mm
Minimum Height 134 in 3404 mm
Maximum Height 134 in 3404 mm
Minimum Width 80 in 2032 mm
Maximum Width 80 in 2032 mm

C280-12 Tier 4/ IMO III 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

  • Dual Caterpillar A-III Electronic Engine Control Modules with Electronic Unit Injector Fuel System
  • Rigid Wiring Harness (10 amp 24volt power required to drive Electronic Engine Control Modules)

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 degrees C)
  • Fuel transfer pump (mounted on left hand side)
  • Duplex fuel filters
  • Electronically Controlled Unit Injectors

Lube Systems

  • 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 engine running.
  • Oil filler and dipstick
  • Valve, oil pressure regulating
  • Valves, crankcase explosion relief


  • Paint, Caterpillar yellow
  • Pumps, gear driven: fuel, oil, jacket water, aftercooler/oil cooler water

C280-12 Tier 4/ IMO III Optional Equipment

Engine Application/Design Control

  • Crankshaft Deflection Marks
  • Extra Mounting Feet

Engine Package Description

  • Front Auxiliary Drive
  • Stub Shaft Certification

Air Inlet System

  • Air Cleaners
  • Air Cleaner options

Cooling System

  • Auxiliary Water Pump
  • Jacket Water Heaters
  • Heat Recovery System
  • Heat Recovery Thermostats
  • De-Aerator
  • Connections for Driven Equipment
  • Cooling System Connection Groups

Exhaust System

  • Outlet Expander
  • Flexible Exhaust Fittings
  • Weld Flange

Fuel System

  • Fuel Priming Pump
  • Duplex Primary Fuel Strainer
  • Fuel Systems Connections

Lube System

  • Oil Pan Drain Valve
  • Lube Connections
  • Lube Oil Heater

Marine Society Requirements

  • Spray Shielding

Protection System

  • Monitoring System
  • Turbocharger Speed Sensor
  • Cylinder Pressure Relief Valve
  • Oil Mist Detector

Spare Parts Kits

  • Intake and Air System
  • Basic Engine
  • Cylinder Head
  • Fuel System
  • Cooling System
  • Instrumentation
  • Cylinder Valve Kits

Starting System

  • Boost Control Valve, Pressure Reducing Valve

Engine Testing

  • Basic System Testing
  • Special Witness Test
  • Customer Selected Test Points
  • Marine Limit Line Test
  • Propeller Demand Curve Test

Service Tools/Ship Protection/Factor Support

  • Commissioning
  • Service Tools
  • Shipping Protection - Export Boxing
  • AID Emblem
  • Storage Preservation

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C280-12 Commercial Propulsion Engines

C280-12 Commercial Propulsion Engines

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