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As air and diesel fuel power your engine, the amount and pressure of air can be just as critical as the fuel you use. As diesel engines rely on air compression to increase the temperature to cause ignition, the management of the air system is critical. A turbocharger can produce 40 percent more energy than a naturally aspirated engine of the same configuration. Turbocharging can improve the fuel economy of diesel engines by recovering waste heat from the exhaust, increasing the excess air factor, and increasing the ratio of engine output to friction losses.
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Diesel engines have an optimum running temperature to maximize their efficiency and prolong life. The cooling system comprising the water pump, thermostat, fan, and the radiator is vital in preventing over-heating, which can result in the breakdown of oil, poor operation and ultimately engine failure. But if the correct operating temperature is not reached, this can result in under-performance and increased fuel consumption. Perkins carefully specifies performance and quality of the cooling system components and then tests them many tens of thousands of times. Which is why genuine Perkins components will ensure the smooth and reliable operation of your engine.
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The electrical system provides both the power to start the engine, and supports the needs of the machine the engine powers. Alternators do the opposite of an electric motor, turning rotational movement from the fan belt into electricity that can be used to charge the battery and for other electrical appliances on the machine. Starters provide the mechanical force to turn the flywheel and start the engine. Perkins designs these components with the size and format to match the engine and application, including correct force and power, nose dimensions, as well as electrical voltage and current.
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Regular filter replacement is a key part of your maintenance regime. Filters remove unwanted debris and other material from entering the working parts of the engine, preventing potential damage to the engine or, at the very least, reduced efficiency and increased fuel consumption. A filter may be an inexpensive part, but replacing them on a regular basis is vital. Ultimately, if a filter fails the cost and damage that results may exceed by many times the savings of not changing the filter.
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The common rail fuel system in diesel engines is made up from; a high-pressure fuel rail feeding a set of injectors to atomize the fuel, powered by a fuel injection pump. All controlled by the ECU (electronic control unit), which ensures diesel fuel is injected at the correct stage, even multiple injections per stroke. Older engines use a unit injection systems of rotary or inline pumps to provide the fuel delivery. Perkins fuel systems are carefully designed and tested over tens of thousands of hours to ensure performance is met. Each fuel system is selected and tuned for the application to ensure both torque and power is delivered within the selected rpm range and to deliver the best fuel consumption.
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Gaskets provide sealing against liquids and gasses within the engine, protecting against the mixing of fluids and compensating for component movement and expansion. Wherever there is a joint between components gaskets provide a leak tight joint and can compensate for uneven fit. While many seals are relatively small; they are crucial to the smooth running of your equipment. In their simplest form, they retain engine oil and other fluids, and prevent any dirt or contaminants from entering that could damage your engine. Preventing the potentially disastrous consequences from different liquids or gasses leaking, mixing or escaping.
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The essential small components which make an engine whole. An engine consists of over 1,000 individual parts, all connected by nuts, bolts, circlips, brackets, sump drain plugs, radiator caps, dipsticks, etc. An engine is only as good as its weakest component. When you choose a genuine Perkins part, you can be sure they are manufactured using the highest quality materials and will fit first time – saving costly downtime. Any one component that’s not to the original specification can hurt the overall performance of the engine.
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The core of the engine is made up of the cylinder head and block, together with the important parts such as pistons, rings, connecting rods and crank and camshaft. Each part is produced to exacting tolerances by Perkins. The difference between genuine and non-genuine may be small, but the risks of fitting non-genuine can be significant, such as; scuffing and wear causing engine failure, poor starting (due to insufficient compression), increased oil consumption, loss of power, high fuel consumption, unacceptable smoke and emission levels or increased cylinder bore wear.
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Whilst the cylinder block and head is the core of the engine, managing the exhaust gas is just as important. Perkins diesel engines and the exhaust and aftertreatment systems are integrated systems, designed and built specifically for optimum fuel economy, performance and to meet emissions standards. Often including complex aftertreament systems such as Diesel Particulate Filters (DPF), a Diesel Oxidation Catalyst (DOC) and Selective Catalytic Reduction (SCR) systems to remove particulate matter and soot, unburnt hydrocarbons and nitrous oxides.
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