Old and new oils cannot be mixed
During the operation of a tractor, some drivers fail to replace all the used engine oil and instead opt to top up with new oil. This practice involves mixing old and new oil and continuing to use it, under the belief that it helps save on new oil and reduce operating costs. However, this method is not scientifically sound. In fact, it can be counterproductive. The old engine oil contains a significant amount of oxidation byproducts. When mixed with new oil, these substances accelerate the degradation of the new oil, reducing its effectiveness and shortening its service life.
According to testing, if all the old oil is completely replaced with new oil, a tractor can typically operate for around 1500 hours. However, when half of the new oil is mixed with half of the old oil, the performance drops significantly, and the tractor may only last about 200 hours. Additionally, the lubricating properties of the old oil deteriorate, leading to increased wear on engine components, excessive black smoke, and overall poor performance. These issues can seriously affect the lifespan and efficiency of the tractor.
Therefore, when the old oil has reached the end of its useful life, it is essential to fully replace it with fresh oil. This is not only the correct and effective way to maintain the engine but also a practical approach to saving oil in the long run. Proper oil changes contribute to better engine performance, reduced maintenance costs, and extended equipment life. It’s a simple yet crucial step that every tractor operator should take seriously.
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