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I found this motor used on endlessphere forum. Ebay could be a good source. You can use many motors as long as they are powerfull enough. It requires around 10kW max. I use the whole transmission as a heat sink. just get warm enough to melt snow, maybe 70F if hard work. Average power is like 2 or 3kW There is turning involved. it's not a simple ''bracket building'' conversion. You need a 10kW inverter too.

It turned out well and easy although some craked the glass Here is what I recommend. 1- locate the stud location triangle etched on the glass but to be sure, once the stud is in place slide it back and forth while pulling up gently to get the feel where is the internal re inforcement. Place it in the center. 2- I dont use the full 8 Nm torque. I put anti seize lubricant and tighten the nut by hand, wiggle vigoursly the rack and re tighten the nut again by hand then I use the allen key with short end up to make about 1/2 turn more. Re check play after a day or 2. The rubber feet will settle a bit the first tine. It worked very well for me. The studs keep their positions after beeing placed, if your are careful you can lower the rack by yourself without help. Also it help to use a small j shaped tool to pry up the rubber seal. The supplied.one is too large in my opinion Its a long explanation but easy to do I dont hesitate to remove and put it back, after the first time which can take 30 to.45 minutes, it takes around 10 minutes. Also I dont use tie down wich have metal ratchet that will eventually hit the roof. I use exclusively soft rope like climbing people use. I make a loop halfway that I use as a kind of pulley to tension everything. Did 3000 miles without having to take up any slack. Its not a pickup or a minivan which you can trow things but it worked out well as it could for this type of car

Hood River, Columbia River Gorge, USA, It was super

I have turned on a lathe an adapter plate and shaft. The whole internal setup mimicks the ICE engine installation. You will need a good puller and good heat to remove the gear from the engine. it's press fit and there is like 0.001'' interference fit (on my version of gravely)

michelcote Thanks. I have started taking mine apart but I’m not sure where I want to attach the motor yet. I’m hoping to keep as much of the drivetrain in tact as I can. Your machine looks very clean and solid. Very nice job you did. Thanks for the reply!

@@carlquerfurth9993 the way I did it, I can revert back to gas engine. You dont have to cut anything from the transmission. It s a plate that center the motor shaft with the planetary gears. I then mounted the engine gear on the electric motor. I had to turn 2 parts. The rest is brackets to hold the motor controller. I had enough batteries capacity with 1.8 kWh. This was enough for 45 minutes of a pretty good workout. Those eat snow like crazy.

@@michelcote I'm having a little trouble getting the crankcase off. The camshafts are pressed on pretty tightly and the magneto has that timing pinion. How did you get them off? Heat? A puller? Or, did you leave that all assembled somehow? Again thank you so much for your advice!!

@@carlquerfurth9993 I dont know how your model is. it's seems different than mine. maybe this can help; www.gravelymanuals.com/docs/walkers/index.html

Thanks, Yes it' really quiet. I like also that there is no gas smell and no brainer startup. The snow does not melt on it, so there is no ice build up. It stay much cleaner also, there is no soot and much less oil deposits on the transmission case. We have a big winter here and it's perfectly reliable. Nothing broke or seems to wear. Crossing fingers:-)

So quiet...well done!