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Join Date: Feb 2021
Posts: 1

Replacing a DC Drive Motor for a GE e15 Tractor

02/01/2021 4:16 PM

Original 36 volt dc motor, 56 frame,1 hp, 25 amp 2250 rpm,if 1.9/.5,stabilized shunt.

I need to replace this drive motor, any advice on how to do a comparison to a replacement motor.

Thank you

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Join Date: Mar 2007
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#1

Re: Replacing a dc drive motor far a ge e15 tractor

02/01/2021 7:03 PM

In a situation like this where the item is vintage, discontinued and rare, it's best to buy one or two of them for parts, if you can swing it, and are that committed to having a rare and original example...you might consider having the motor rewound/rebuilt...

https://www.ebay.com/itm/GE-ElecTrak-lawn-Tractor/274665829375?hash=item3ff35bf3ff:g:tcwAAOSwGAxf53Ra

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#2
In reply to #1

Re: Replacing a dc drive motor far a ge e15 tractor

02/01/2021 8:19 PM

Did you try these folks?

https://www.freerangeelectric.com/

My family had one back in the 70's. One of my older brothers had been working at a lawn mower shop and got a deal on one. I wasn't very impressed with it. Even with six GC2 batteries, two under the hood and four under the seat, the run time wasn't very good. Barely could finish our side yard. A novelty at the time, but reality was a different story. With better motors, electronics and better batteries, they might be viable these days. Those three mower motors burned a lot of juice. I suspect the traction motor drive electronics wasn't very advanced either and that probably ate into the efficiency.

Good luck with your quest.

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#3
In reply to #2

Re: Replacing a dc drive motor far a ge e15 tractor

02/01/2021 8:54 PM
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#4

Re: Replacing a dc drive motor far a ge e15 tractor

02/02/2021 12:27 AM

It looks like you have all of the necessary specs, a very complete list of all of the required parameters. From this list, you could fudge a little on the parameters, it is likely a 1750 rpm motor, with field weakening to get up to 2250 rpm. The 56 frame has variants that you may be able to get around, likely the shaft and face mount are critical to your needs. Do you not know the meaning of all of the values?

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#6
In reply to #4

Re: Replacing a dc drive motor far a ge e15 tractor

02/02/2021 10:41 AM

It looks like Leeson manufactures these, if you don’t mind $464 each, and buying 24 at a time...

Here is a picture that might help determine if this is what you need anyway, it is a 4 pole motor, 1750 rpm

https://electricmotorwarehouse.com/1-hp-1800-rpm-56c-frame-36-volts-dc-tefc-leeson-electric-motor-109101/

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#5

Re: Replacing a DC Drive Motor for a GE e15 Tractor

02/02/2021 8:53 AM

An internet search on <...36 volt dc motor, 56 frame,1 hp, 25 amp 2250 rpm,if 1.9/.5,stabilized shunt...> produced 7116 results.

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