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Tractor Talk Discussion Forum

Re: Wanted: hydraulic front wheel drive for farm tractor

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Author  [Modern View]

02-04-2013 20:20:55

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Other than when one pushes in the clutch! It seems like a very good way to make heat in a hydraulic system as well as the complexity of a system that will be parasitic nearly all the time. Not my idea of best practice. Jim

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02-04-2013 20:35:23

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 Re: Wanted: hydraulic front wheel drive for farm tractor in reply to Janicholson, 02-04-2013 20:20:55  
With the Deere "closed center" system, oil heating was NOT a problem. I forget how Deere cut the power to the hydraulic FWA when the clutch was depressed... will have to look at the service manual tomorrow. Bottom line was the it was NOT as powerful as a mech FWD, but ASSISTED and did a reasonable job thereof. Biggest problem was oil leaks/hose failures.

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Tx Jim

02-05-2013 03:13:03

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 Re: Wanted: hydraulic front wheel drive for farm tractor in reply to Bob, 02-04-2013 20:35:23  
Quoting Removed, click Modern View to see

The only reason I see why "no heating of hyd oil problem" on a HFWA would be the limited amount of time the HFWA was engaged. The orbit motors on implements such as a JD 700 rake will definitely heat the oil on a closed center system

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