Caterpillar C27
The Caterpillar C27 is a V12 diesel internal combustion engine made by Caterpillar. The engine is 27 litres (1,648 cu in) in displacement. Each cylinder has a bore of 137 mm (5.4 in) and a stroke of 154 mm (6.1 in). The engine can produce 370–750 kW (500–1,000 hp) at 2100 RPM. The peak torque occurs at an engine speed of 1400 RPM. This engine began production as Caterpillar 3412. As emissions control was tightened, engine management and combustion chamber is redesigned therefore two different engines emerged: the mechanically controlled C27 and electronically controlled C30. Caterpillar C30 block has been scaled up and C32 emerged. C27 also began to be produced with electronic engine control and management after 2007.
| Caterpillar C27 [1] | |
|---|---|
| Overview | |
| Manufacturer | Caterpillar Incorporated |
| Production |
|
| Layout | |
| Configuration | Four-stroke V12 |
| Displacement | 27 L (1,648 cu in) |
| Cylinder bore | 137 mm (5.4 in) |
| Piston stroke | 154 mm (6.1 in) |
| Compression ratio | 16:1 |
| RPM range | |
| Idle speed | 545 |
| Max. engine speed | 2100 |
| Combustion | |
| Turbocharger | Double |
| Fuel system | Unit injection (see management) |
| Management | Electronic (ACERT) with mechanical failsafe |
| Fuel type | Diesel |
| Oil system | Wet sump |
| Cooling system | Water cooled |
| Output | |
| Power output | 783 kW (1,050 hp) @ 2100 rpm (marine/military rating) |
| Torque output | 4,798 N⋅m (3,539 lbf⋅ft) @ 1400 rpm |
| Dimensions | |
| Dry weight | 3 tonnes (3.0 long tons; 3.3 short tons) |
| Emissions | |
| Emissions target standard | Euro V or IMO IV |
| Emissions control systems | |
| Chronology | |
| Predecessor | Caterpillar 34 series engine |
| Successor | Caterpillar C32 |
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