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Farm Machinery
Machinery
Cvx or active drive8
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<blockquote data-quote="Mur Huwcun" data-source="post: 7725281" data-attributes="member: 33114"><p>When you consider the basic principle of how they operate with two clutches so for example if tractor is in first gear or range clutch 1 will hold onto 1st while clutch two has already selected 2nd so the change is nearly seemless. Once it’s changed up clutch 1 will now drop 1st and select 3 in anticipation to shift up but sometimes the job or hill etc will require a downshift to first so then clutch 1 will gave to quickly and mechanically disengage 3rd and very quickly re select first and transmit the drive. The synchros therefore in principle can be subjected to engage and disange a lot more than a normal operator controlled box.</p><p></p><p>Every one in the car trade now tells you to change the so called auto boxes oils at low milages such as 40-50k although manufacturers try to sell them as sealed for life. I think you woukd struggle to buy a family car size with a proper torque converter auto box now, they’re all pretty much dual clutched manual boxes although 90%+ of the general public have no idea that their auto cars are a computer changed manual box.</p></blockquote><p></p>
[QUOTE="Mur Huwcun, post: 7725281, member: 33114"] When you consider the basic principle of how they operate with two clutches so for example if tractor is in first gear or range clutch 1 will hold onto 1st while clutch two has already selected 2nd so the change is nearly seemless. Once it’s changed up clutch 1 will now drop 1st and select 3 in anticipation to shift up but sometimes the job or hill etc will require a downshift to first so then clutch 1 will gave to quickly and mechanically disengage 3rd and very quickly re select first and transmit the drive. The synchros therefore in principle can be subjected to engage and disange a lot more than a normal operator controlled box. Every one in the car trade now tells you to change the so called auto boxes oils at low milages such as 40-50k although manufacturers try to sell them as sealed for life. I think you woukd struggle to buy a family car size with a proper torque converter auto box now, they’re all pretty much dual clutched manual boxes although 90%+ of the general public have no idea that their auto cars are a computer changed manual box. [/QUOTE]
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Cvx or active drive8
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