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Re: Hand Vs Foot clutch
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Posted by G-MAN on October 04, 2002 at 11:33:24 from (206.106.139.74):
In Reply to: Hand Vs Foot clutch posted by Garry on October 04, 2002 at 08:28:17:
Steve is absolutely correct about the hand clutch on Deere tractors. The clutch used on two-cylinders is an over-center type clutch, which used mechanical force to keep the clutch engaged, rather than spring force like on Borg& Beck type clutches. It would have been pretty difficult to build an over-center clutch that was foot-operated, as it probably would have required two separate pedals - one for engagement and one for disengagement. It would also take a lot of linkage and such to create the mechanical advantage needed to be able to engage and disengage the clutch. A properly adjusted JD clutch takes in the neighborhood of 90 lbs of force at the top of the lever to engage. You would need substantially more than that to engage it with a short foot pedal. Lots of people complain about the hand clutches on JD tractors, but the fact is that from a service standpoint, they couldn't be beat. A guy could rebuild a clutch on a two-cylinder in probably a tenth the time or less than it would take to split another type of tractor and replace the clutch.
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