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Re: (ET) speed control



The Alltrax instructions were written while looking at an E15 that one of the Alltrax engineers owned at the time; I have been building up specific information for other models.

The DCX line is being slowly phased out; I have other options that I will get listed on line that handle the field weakening better, although regen raking on downhills is still limited.

I loved Dean's throttle design! It is for the hand (dash) throttle used on the E12 through E16's; the E20 (and EGT-200) use a foot pedal and I have a different solution available for that style.

On 8/25/16 6:36 PM, Dean Stuckmann wrote:
I installed one in my E-16 this spring and I’m glad I did. I wish I had 
done it years ago.

It was a bit of a project to design the throttle linkage as I wanted to maintain 
the stock hand throttle along with its built in reverse switching (no separate 
toggle switch). I also wanted to have the same speed in reverse as I have moving 
forward even though the reverse gate is so much shorter. I’m happy to 
report that I achieved all my goals. The motor control is amazing!

However, there are a few things to keep in mind.

 - I found that there are multiple installation diagrams out there, and 
that they are not all the same. (Some specific to the E-20 but not the 
same either). If the 200 is compatible you may be in better shape than i 
was. Jim was helpful getting me through it though.
 - You are probably looking at closer to $600 by the time you add the 
throttle pot, HD contractor, and other misc items.
 - Field weakening is available in the Alltrax but it is turned off by default. When its off, 
the ground speed is reduced by around 35%. That may not make a difference to some but 
I’m probably going to go to a 4” motor pulley (3” is std) to speed the 
tractor back up again. You can program the controller to engage field weakening, but its an all 
or nothing setting. Its a bit harsh when engaging, and more so when disengaging upon throttle 
back. I tried it out, but immediately turned it back off. It would be nice if the Alltrax/pot 
could gradually apply the weakening.
 - When I installed the controller I mounted mine upside down so that I 
did not have extend the high current leads.
 - The controller does not seem to hold back the motor on down hills as 
good as the old setup but its not bad. Just something to be aware of.

Again, I glad I did it. I’m no electrical wiz but with some time, Jim’s 
help, and lots of triple checking, I had it working on the first try.

I don’t think that I can post pictures or videos of my install on the site 
but I can send them to interested parties if you want.

Good luck!

Regards,

Dean A. Stuckmann
5432 County Road U
Newton, WI 53063-9624

920-901-2288
dstuck lakefield net