Electric motor for a rock crusher. | TreasureNet 🧠The ...
 · I used a 2 inch on the motor and a 4 inch on the shaft to reduce the shft speed by 1/2 it ran fine!!! the barrel for this was 10 inchs in diameter and didn''t load the motor one bit! and it powdered the rocks. now im building a larger rod mill. the picture you have shown looks to be a direct drive setup! and im not sure what HP motor to use in ...