Re: Torque Amplifier

Posted by COWBOY on October 24, 2002 at 13:26:50 from (12.149.228.16):

In Reply to: Torque Amplifier posted by Robert on October 24, 2002 at 12:58:55:

A Torque Amplifier (T/A) is basiclly a speed reducer that is in front of the transmission, but behind the clutch.

It works like a 2 speed Automatic Transmission, but is NOT automatic. You have to pull the lever to shift it.

It has a direct part that just allows the speed of the input shaft (Clutch side) to be the same as the Output shaft (Transmission side) through a set of clutch discs.

When it is shifted, it has a over-running clutch and a reduction gear assy which is engaged, reducing the speed of the shaft going into the transmission.

So, it works like shifting the transmission, but can be done on the go.

These were in a lot of tractors, some even had over/under drives (Like Oliver Tractors) which had a underdrive like a T/A, plus a straight drive, and a overdrive too.

One of the first Internationals was a Super M with Torque Amplifier (SMTA)

Hope this explains it better.

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