| Check out the powerhouse SUV with Common Rail | | | | extent and it also lowers down engine noise. |
| Diesel Engine - Mahindra Scorpio | | | | A fuel rail is essentially a pipe (resembling a rail) to |
| Mahindra Scorpio, the SUV model from the leaders in | | | | which the fuel is delivered and maintained at a very |
| Utility Vehicles in India Mahindra & Mahindra, | | | | high pressure of about 1800 bar. This fuel is then |
| features the 2.2 litre, 4-cylinder mHAWK diesel | | | | delivered to individual fuel injectors on internal |
| engine. It is this mHAWK engine that makes the | | | | combustion engine. During the firing sequence of a |
| Scorpio the powerhouse that it is. It propels the | | | | particular cylinder, the high pressure, electronically |
| Scorpio from 0 to 60 in 5.7 seconds producing a | | | | operated injector will be opened and fuel with a |
| whopping 120 bhp of power. The mHAWK engine of | | | | pressure of about 1800 bar is injected in to the |
| Scorpio is a common Rail Diesel Engine (CRDe). | | | | cylinder. This leads to improved atomization of the |
| The Common Rail Diesel Engine works on the | | | | fuel in the cylinders. This high pressure fuel cloud |
| ‘Common Rail Direct Fuel Injection’ | | | | leads to complete combustion of the fuel, thus |
| technology. It consists of a high-pressure fuel rail | | | | avoiding emission. |
| feeding individual solenoid valves. The more recent | | | | The rapid speed at which the injectors can switch |
| Third Generation common rail diesels feature | | | | makes it possible to reduce the intervals between |
| piezoelectric injectors for increased precision, with | | | | injections and split the quantity of fuel delivered into |
| fuel pressures up to 1,800 bars or 26,000 psi. | | | | a large number of separate injections for each |
| The Common Rail Diesel engine has two main | | | | combustion stroke. Diesel engines become even |
| advantages over the conventional diesel engine. It | | | | quieter, more fuel efficient, cleaner and more |
| helps in lowering down exhaust emissions to a great | | | | powerful. |