Re: Can I shift gears on the fly on my 1946 Farmall A?

Posted by Bob M on December 06, 2002 at 16:39:42 from (24.169.120.229):

In Reply to: Can I shift gears on the fly on my 1946 Farmall A? posted by Doug Moser on December 06, 2002 at 10:46:38:

Doug - the other's posts below are right on. A tip however: It only works if the tractor is not pulling a load and is on hard, level (or downhill) ground. The tractor has to be able to roll about it's own length without loosing much forward speed.

Here's a "step by step":

1 - While moving in gear, release the clutch and throttle down so the engine RPM is where it will be when in the next gear (a good ear helps at this point...)

2 - Move the gear lever to neutral. With the lever in neutral quickly let up on the clutch pedal and immediately depress it again.

3 - If you do it right, you should now be able move the gear lever into the next higher gear position smoothly and silently.

4 - Release the clutch and throttle up.

The whole process should take only a second or so. Sounds hard at first, but with a bit of practice it will become second nature.

Once you master the above, you can try "float shifting" - i.e. shifting gears without using the clutch. This requires two hands at once (one on the throttle and the other on the shifter). You do the same steps as above except you operate the throttle lever more slowly, and leave the clutch alone.

Finally you can "snap shift" the transmission. This technique DOES work with the tractor under load, but it's hard on some expensive parts inside the tranny. To do this simply step on the clutch, move the shifter to the next gear as quickly as possible (you "snap" the lever from one gear to the next) and release the clutch in one continuous motion. If done fast enough it works. But it raises h*ll with the tranny gears - especially if you miss a shift. I don't recommend it!!

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