I bought a used stump cutter for my business and I'm trying to figure out if I
could go electric with it in the near future. It runs fine right now, so I thought
looking ahead would be a good idea since it is a 2001 model. If anyone has any
advice to offer I’d be very appreciative!
The cutter is a Rayco RG20HD and it currently has a Kohler CH20 engine with
20.5HP (15.3 kW), 32.7 ft lbs (44.3 Nm) of torque and a hydrostatic drive system.
I really have no idea what kind of electric motor I should be considering. Weight is
important, of course. I think the Kohler, fuel tank and 12V battery weigh about 350
pounds so that’s about where I’d like to be for the weight. I think I could likely lower
the center of gravity with the batteries which means I could add another few pounds.
The machine feels more tippy than I like with that tall engine!
Here's a link to Rayco's page about the newer version of my model, the RG25HD;
https://www.morbark.com/product/rg25hd-stump-cutter/ It is all the same except the
new version has a more powerful engine.
What I think would be awesome would be if I could use a hub motor for this. I
just have no idea whether any would be at all able to handle the beating. On the other
hand it would be pretty nice to be able to just swap in a single motor and keep the same
belt drive system. I also wonder about replacing the hydrostatic drive with electric motors.
Well, thanks in advance for any input! I hope y'all are having a great start to