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The machine works in Dirt Terrain on Group 5. In deciding which tyres should be used for this clients requirements, the following was taken into consideration –Cushion effect to ensure that the machine was not negatively affected; the MMTWS was estimating a three durability in comparison to a pneumatic tyre; and the proposition would be the most cost effective solution for the customer. The Solid cushion tyres were recommended for this application.The machine was fitted with 10” solid cushion tyres. The wheels had an overall diameter of830mm. Rim off set 168:66mm and rim size 16”x8”. The serial numbers of the tyres are as follows – 50x114x10 - 0500042367 and 0500042379 for the right hand side front and rear tyres; and 50x115x10 - 0500042399 and 0500042387 for the left hand side front and rear tyres.

Client: Group 5

26th September 2017

The 10″ Solid cushion tyre had a tread depth of 50mm when new. There was an average of 38.00mm wear on the tyres over a 2405 hour period. Therefore, according to the wear patterns being demonstrated, a total of hours exceeding 2800hrs are projected on this set of tyres. There are two phases in the life of the tyre. The first phase wears only on the lugs and the second phase wears on the remaining lugs and centre cushion built into the tyre. The second phase provides a 60% longer life because there is an increase in the contact area.

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