Alright I've done it. I have taken the side dumper out for a walk with my lady. I need the driveshaft on the apron chain to run at 2 rpm, but with some room for variability.

Also I totally get it. Here I thought I was reading 800-2900 foot lbs on the torque rating of these princess auto hydraulic motors but I was reading INCH LBS. Ooooooh kay. Gotcha. Lol

Now how do I figure out how much torque I'd need for this apron chain? The box on this spreader is about 3' wide and 10' long. And I can put about 3 yards of wood chips in it at a time. (REALLY high sides!) So that could be a weight of 1200-2400 lbs when full.

Thanks to anyone who can reply! Much appreciated.