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Re: TA Question
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Posted by Joe Evans on September 23, 2003 at 10:57:16 from (209.41.233.104):
In Reply to: TA Question posted by Karl on September 23, 2003 at 09:58:40:
Karl: TA is the acronym for Torque Amplifier. A tractor so equipped enabled the operator to instantly "gear down" in any of the regular 5 transmission speeds giving the operator 10 forward speeds. This is handy when encountering periodic tough pulling conditions when disking or plowing. In the case of a 460, the gear reduction is about 1.57 to 1. The older TAs (when engaged) allowed the tractor to freewheel when going down a grade. I think the freewheeling characteristic was "corrected" on -06 series tractors of the 1960s. TA's were commonly equipped and were probably standard equipment on most of the larger -00 series tractors issued by IH in the 1950's. Some H's and M's had TA, too. If a letter series tractor is equipped with TA, the tractor's model # says so--MTA, Super MTA, etc.
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