Sherman combo into a Ford 2000 with 4 speed.

So we have a Ford 2000 that we want slow speed for a tiller. Does the combo make the pto speed drop?

We have found both the Sherman being a rebuilt combo one out of an 8n.

What would we need to do to swap it in?
 
So we have a Ford 2000 that we want slow speed for a tiller. Does the combo make the pto speed drop?

We have found both the Sherman being a rebuilt combo one out of an 8n.

What would we need to do to swap it in?
Yes the Sherman also effect PTO speed to if in low the PTO slows down and if in high it speeds up and if in the middle it works like the Sherman wasn't there
 
There were two different versions of the Ford 2000. The early version made from 1962 thru 1964 was a four cylinder and the Sherman can be installed if the 2000 is a four speed model. The later version 2000 made after 1964 was a three cylinder model and shares the 2000 name only. The Sherman is not compatable with the later 2000.

The Sherman replaces the factory input shaft assembly and is installed in front of the transmission so as Old mentioned, the Sherman will affect the pto speed. To install, the tractor is split between the engine and trans, factory input shaft removed, and the Sherman installed in its place. You will have to drill a hole in the side of the tractor transmission case for the Sherman handle to be installed for operation of the Sherman. The Sherman should be shifted when the tractor is at a complete stop to avoid damage to the sliding collars and shift forks.
 
The PTO on the 4 speed is driven off of a counter shaft inside the transmission, so the PTO speed is dependent on the speed of the main shaft in the transmission. No matter which range the Sherman is in, to achieve proper 540 rpm PTO speed the engine rpms will need to be adjusted accordingly, so the ground speed will be the same, just the engine rpms will be different.
 
So.. sadly the sherman will not help correctly to use a tiller... the pto slows down as well as the ground speed. You could simply run at a lower throttle setting with out the sherman and achive the same results. In non pto applications the sherman is very helpful by giving up to 12 forward gear choices. BUT.. this is one time the SOS Select O speed transmission..... with the very low ground speed outperforms the standard trans... making it very good for a tiller. Very slow ground speed but a full 540 rpms for the tiller, the sos was made for this.
 
So we have a Ford 2000 that we want slow speed for a tiller. Does the combo make the pto speed drop?

We have found both the Sherman being a rebuilt combo one out of an 8n.

What would we need to do to swap it in?
Dad tried a 5’ tiller on the back of our Ford 641 (essentially the same machine as an early 2000). It did not work well. First gear is way too fast. We got it to work OK in previously tilled garden ground by only taking a small bite on each pass. But it was far from optimal.
 
So we have had about the same luck I didn’t know if low low at highest rpm possible would work a bit better than what we have now it’s too fast and won’t keep rpm up all the way the engine bogs down too much the tiller is just a hair too big but I’d love to use the little tractor the 4020 is too big and suffers from the same speed problem although not the engine rpm one and the fords main other job is running a mower a couple miles away and does go for a 20 mile driveway mowing task a couple times a year so the higher speed at lower rpm would be kinda nice too. It is a 1964 with the 4 cylinder
 
The only options for a tiller I believe are the Select-O-Speed (*81) or the Everett Transmission in the pre-1965 years. The Sherman combo or Hupp auxiliary transmissions do not work well with the tiller. Also, the spline count is different on the early Shermans than on the later Shermans transmissions (post-1958).
 
The only options for a tiller I believe are the Select-O-Speed (*81) or the Everett Transmission in the pre-1965 years. The Sherman combo or Hupp auxiliary transmissions do not work well with the tiller. Also, the spline count is different on the early Shermans than on the later Shermans transmissions (post-1958).
The Howard rotovator was made just for such things but very hard to find
 

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