Caterpillar C280
{{Multiple issues|
{{Primary sources|date=July 2017}}
{{Single source|date=February 2017}}}}
{{Infobox automobile engine
| name = Caterpillar C280 {{cite web|url=http://s7d2.scene7.com/is/content/Caterpillar/LEHM7106-01|title=C280-12 MARINE PROPULSION|website=S7d2.scene7.com|accessdate=2017-07-30}}
| image =
| manufacturer = Caterpillar Incorporated
| aka =
| production =
| predecessor = Caterpillar 36 series engine
| successor =
| configuration = Inline 6, V8, V12, V16
| displacement = {{convert|18500|cc|in3|sigfig=4}} per cylinder
| bore = {{convert|280|mm|in|sigfig=4}}
| stroke = {{convert|300|mm|in|sigfig=4}}
| block =
| head =
| valvetrain =
| compression = 15.3:1 (Propulsion)
12.6:1, 13:1 (Generator)
| supercharger =
| turbocharger = Double or Quad
| fuelsystem = Unit injection
| management = Electronic
| fueltype = Diesel
| oilsystem = Wet sump
| coolingsystem = Water cooled
| idle = 250
| redline = 1000
| power = {{nowrap|up to {{convert|5670|kW|hp|sigfig=4}} @ 1000 rpm}} (marine/military rating)
| specpower =
| torque = {{nowrap|{{convert|12100|Nm|sigfig=4}} @ 800 rpm}}
| length =
| width =
| height =
| diameter =
| weight = up to {{convert|32.75|t|sigfig=5}}
| emissions level = EPA IV or IMO III
| emissions control = Exhaust gas recirculation
}}
{{Infobox automobile engine
| name = Caterpillar CG260 {{cite web|url=http://s7d2.scene7.com/is/content/Caterpillar/LEBE0018-01|title=CAT CG260|website=S7d2.scene7.com|accessdate=2017-07-30}}
| image =
| manufacturer = Caterpillar Incorporated
| aka =
| production =
| predecessor = Caterpillar 36 series engine
| successor =
| configuration = Inline 6, V8, V12, V16
| displacement = {{convert|18000|cc|in3|sigfig=4}} per cylinder
| bore = {{convert|260|mm|in|sigfig=4}}
| stroke = {{convert|320|mm|in|sigfig=4}}
| block =
| head =
| valvetrain =
| compression = 12:1
| supercharger =
| turbocharger = Quad
| fuelsystem = Unit injection
| management = Electronic
| fueltype = Natural gas
Biogas
Gasoline
| oilsystem = Wet sump
| coolingsystem = Water cooled
| idle = 320
| redline = 1000
| power = {{nowrap|up to {{convert|4500|kW|hp|sigfig=4}} @ 1000 rpm}} (marine/military rating)
| specpower =
| torque = {{nowrap|{{convert|10700|Nm|sigfig=4}} @ 850 rpm}}
| length =
| width =
| height =
| diameter =
| weight = up to {{convert|32.75|t|sigfig=5}}
| emissions level = EPA IV or IMO III
| emissions control =
}}
The Caterpillar C280 is a family of diesel internal combustion engines made by Caterpillar. The engine is 18.5 liters per cylinder in displacement. The cylinder size is 11.02 x 11.81 in. bore/stroke. The engine can produce 2400-7600 horsepower at 900 RPM. The peak torque occurs at an engine speed of 800 RPM. The engine weighs over ten tonnes. The Cat C280 is often used in locomotives and freight-class ships.