Testing a TA is easy. The tractor will go about 13 MPH in fifth gear with the TA pulled back. It will go about 17to18 with it forward. If the current owner will let you operate the tractor in road gear (5th)and they need to as fifth is sometimes worn and can jump out, the easy way to test it is to get straight on a good road (safely). Put it in 5th with the TA back. set it to near full throttle and let out the clutch with purpose. The ta ramp and rollers are probably good if it just takes right off and pulls the engine down as expected, then gets up to the 13 mph or so. With the foot clutch out, (not used for the TA ever) pull rearward on the handle and grip the release flipper. stroke the TA handle forward as rapidly as possible, no delay just a clean rapid stroke forward. The TA disk clutch is good if it again pulls the engine down and accelerates to road spaae. If you are not comfortable doing the high speed test, and if the brakes are good on the tractor, putting it in 4th TA and using the brakes to slow the engine from full RPM to 1/2 RPM under load is a good method as well. Also put it in 4th direct, and load the engine with the brakes and pull the TA to see how it downshifts. The lever should be moved rapidly at all times, never hesitate part way through the movement. Doing that is slipping the TA clutch, and is a no no. The TA is a terrific innovation in tractor usefulness. They last for a long long time if used regularly (all the time). (We own a 350U with the original TA and clutches.) The only other improper TA use is going faster than the direct gear speed in TA down a hill. This causes the TA unit to rotate faster than its design spec, and can tear them up physically. In other words do not coast down hills with the TA back. Pulling implements down hill or up with it back is correct, just coasting. Jim
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Today's Featured Article - Uncle Cecil's Super A Lives Again - by Mike Purcell. A week or so out of most of my childhood summers was often spent with my Uncle Cecil and Aunt Sissie in the small East Texas town of Maydelle on their 80 acre farm. Some of my fondest memories of these visits are those of learning to drive a tractor at the helm of Uncle Cecil’s 1948 Farmall Super A. Uncle Cecil was the second owner of this wonderful little tractor, but it was almost as though he had adopted an infant. The original owner was a man from Minnesota who bought her from a local dea
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