Commercial Propulsion Engines

C280-6 Propulsion Engine

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Overview

The Cat® C280 commercial propulsion engine series is engineered for high‑utilization workboat applications where power, durability, and uptime matter most. Delivering up to 23% more power with increased durability, the C280 series combines high power density, proven heavy‑duty build, and long service intervals to help operators move more, pull harder, and stay working longer, day after day, compared to previous C280 models.

Power Rating

Power Range
2320-2722 bhp (1730-2030 bkW)

Engine Specifications

Speed Range
900-1000 rpm
Configuration
In-line 6, 4-Stroke-Cycle Diesel
Aspiration
TA
Bore
11.00 in
280.00 mm
Stroke
11.80 in
300.00 mm
Displacement
6773.00 in3
111.00 L
Rotation from Flywheel End
Counterclockwise or clockwise
Emissions
IMO II

Dimensions & Weights

Length
158.00 in
4013.00 mm
Width
71.00 in
1803.00 mm
Height
108.00 in
2743.00 mm
Dry Weight
34496.00 lb
15680.00 kg

Power Rating

Power Range
2320-2722 bhp (1730-2030 bkW)

Engine Specifications

Speed Range
900-1000 rpm
Emissions
IMO II
Aspiration
TA
Bore
11.00 in
280.00 mm
Stroke
11.80 in
300.00 mm
Displacement
6773.00 in³
111.00 l

Dimensions & Weights

Dry Weight
34496.00 lb
15680.00 kg

Engine Specifications

Configuration
In-line 6, 4-Stroke-Cycle Diesel
Application
Workboat
Features

A3 ECU

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

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

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

Standard Equipment
  • General
    • LH or RH service connections
  • Air Inlet System
    • Aftercooler, fresh water, corrosion resistant coated
    • Crankcase breathers, top-mounted
    • Single turbocharger, rear-mounted, engine oil lubricated
    • Air inlet adapter - Straight / 90 degree / 35 degree
  • Control System
    • Dual Caterpillar ADEM A4 Electronic Engine Control Modules
    • Rigid Wiring Harness
    • Aftercooler / oil cooler and jacket water pumps (gear driven)
  • Cooling System
    • Engine coolant water drains
    • Single Circuit / Separate Circuit Aftercooler
    • Dry, gas tight, exhaust manifold
  • Exhaust System
    • Dry, gas tight, exhaust manifold
    • Turbo speed sensors - overspeed protection
    • Exhaust manifold shielding, soft
  • Fuel System
    • Fuel transfer pump, gear driven
    • Electronically Controlled Unit Injectors
  • Instrumentation
    • CAT Alarm & Protection System
  • Lube System
    • Oil pump, gear driven
  • Lube Systems
    • 2 element oil cooler, engine mounted
    • Duplex centrifugal oil filter-engine mounted
    • Wet sump
    • Prelube pump - air / electric
  • Protection System
    • Crankcase explosion relief valves
  • Protection Ssystem
    • Mounted oil mist detector
Optional Equipment
  • Fuel System
    • Fuel priming pump
    • Duplex fuel filters
    • SOLAS shielding
  • Lube System
    • Front and rear oil pan drains
    • SOLAS shielding
  • Protection System
    • Cylinder pressure relief valves