Thursday, 20 September 2012

The Merits Of Cummins Engines For Sale

By Casandra Newton


Irrespective of the magnitude or environment in which you intend to operate, getting your hands on one of the good cummins engines for sale is a near guarantee to success. Their technical team has continually come up with excellent solutions that employ creative technology suitable for on road and off road applications. The diversity existing within their range of products have endeared them to many around the world.

The A and B series are the torch bearers for their agricultural machines more so in off road vehicles. Some tractors have used the power unit by simply coupling them to a gearbox with lower gear ratios than that of a bus. The engine revolution will be then translated to a large torque suitable for most agricultural processes. This arrangement results in lower propeller shaft speeds albeit with increased power.

The majority of cummins engines for sale will probably run on diesel. The prevalence of these models over the gasoline types has been on the rise since their invention. They are now favored in commercial applications due to the lower pump prices associated with diesel fuel. Their level of noise production however makes them shunned for use in luxury vehicles.

All Cummins products have a proven track record for their long lifespan even when run in harsh conditions. The carburetor and spark plugs fitted on petrol engines give mechanics an uphill task when it comes to their adjustment. Many times, imbalances will exist in the cylinder conditions as a result of these adjustments. With diesel varieties however, the injector pump and nozzles take over and their maintenance is much more straight forward.

In its structural make up, the injector pump has many components finished to very small clearances and polished surfaces. If conventional means of lubrication were to be employed, lubricating such a piece would turn out to be a big challenge. This problem is solved by the fuel itself since diesel is quite oily and the pressures in the pump ensure it adequately oils the surfaces. Should water find its way into these systems, it contributes to formation of sludge and blockage of some ducts which affects performance.

In view of these recommendations, the fuel filter needs a regular change, as set out by the manufacturers. Most of them are very efficient when it comes to solid particle isolation but may still allow water molecules to pass through. At the kind of agitation the fluid is subjected to before injection, water is bound to mix into the fuel and hinder desired combustion. A pricier filter may employ centrifugal action to draw out water since water is denser than diesel.

Many operators often experience hard starts at the beginning of each workday. If air finds it way into the fuel lines, it will hamper development of adequate pressure in the nozzles due to its compressibility. Air locks have to be forced out by bleeding the system before starting work. The primer should be given a few pushes while the drain hole is opened but if the problem persist, then one has to loosen the injector nozzles and fire the engine.

The purchase of any of the cummins engines for sale should be founded on availability of spares and related services for the equipment. Avoid buying one that will have to stay idle as you wait for spare orders to be shipped in. Engage the services of reputable mechanics to handle servicing and maintenance.




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