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Are you looking for a practical answer or a theoretical answer. From an asset management point of view, the economic life span of mechanical components should be 15 years - with probably 10% maintenance cost per year.
In a developing country context, I would say that if your equipment is not local, then this should still apply (albeit with a higher maintenance cost - potentially), and if it is locally made, then perhaps 5 - 10 years, depending on the quality of the local workmanship and materials. But on the other hand, people can be very good at making things last a lot longer than the theoretic economic life.
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Are you looking for a practical answer or a theoretical answer. From an asset management point of view, the economic life span of mechanical components should be 15 years - with probably 10% maintenance cost per year.
In a developing country context, I would say that if your equipment is not local, then this should
still apply (albeit with a higher maintenance cost - potentially), and if it is locally made, then
perhaps
5 - 10
5-10
years, depending on the quality of the local workmanship and materials. But on the other hand,
people can be very good at making things last a lot longer than the theoretic economic life.