Re: 400 Farmall T/A

Posted by RB on February 08, 2004 at 11:28:19 from (67.250.212.100):

In Reply to: 400 Farmall T/A posted by Jake on February 08, 2004 at 10:57:06:

The TA is made up of a planetary gear set which is engaged or disengaged by the 7in. clutch. In DD (lever forward)the clutch is engaged causing power to flow straight through to the transmission, in TA the clutch is disengaged allowing power flow through the sprag (one way clutch)and through the planetary to the transmission. The sprag has to overrun in DD.What typically happens is that the sprag rollers wear flat and can't grip the ramp causing loss of power and can cause a noise. Your probably looking at repairing or replacing the TA unit. I have seen heavy oil and cold weather to cause these rollers to hang. When buying an IH I always consider the TA to be bad!!!

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