Field experience with transmission oil EP Gear Synth 150

https://doi.org/10.17221/7/2008-RAECitation:Aleš Z. (2009): Field experience with transmission oil EP Gear Synth 150. Res. Agr. Eng., 55: 18-23.
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The machinery operated in agriculture and forestry has been required to use less harmful vital fluids since a few years ago. These requirements are highly urged especially for the machines which are operated close to aquatic resources, water flows, fields, and in forests. Biodegradable vital fluids seem as a suitable solution from the environmental viewpoint. On the other hand, from the technical viewpoint their usage seems sort of problematic. The author started to carry out long-term stability tests of biodegradable transmission oil and mineral transmission oil used in tractor end rear boxes in the dependence on the operating time. This article pinpoints partial results of the operational tests and evaluates the impact on the technical condition of the machinery.
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