Re: Question for Hugh (and others) on TA

Posted by TomH in PA on October 22, 2006 at 07:19:20 from (206.99.145.226):

In Reply to: Question for Hugh (and others) on TA posted by 61-4010 on October 22, 2006 at 03:56:19:

This is my understanding of it, correct me if it's wrong...

Tractors with a torque amplifier are in two gears at the same time, low and high. There is a clutch for each, so when you switch from high to low you are disengaging one clutch and engaging the other. If you move the lever slowly you're riding one clutch or the other or both, which of course will wear it out quickly.

The early TAs that Allen referred to had what's called a "one-way" sprag clutch. The engine could power the tractor forward, but when the tractor overran the engine (coasting downhill) the clutch slipped. This of course wears the clutch out quickly. IH replaced the sprag clutch with one that didn't slip while going downhill, but by then the TA had a reputation for failing.

Replies:

• Re: Question for Hugh (and others) on TA Allan In NE 08:47:14 10/22/06 (1)
  • Re: Question for Hugh (and others) on TA TomH in PA 10:33:15 10/22/06 (0)

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