RENN for Sale New & Used. ... 12" x 10' transfer feed auger, hydraulic lift and swing, 1:1 drive, 540 pto, 22''x36'' hammer mill with Hardox hammers, 1x3/16'' & 1x5/16'' screens, and more! Capacity may vary based on grooves per inch of roller, applied hp, and material size, give us a call to learn more. ... New Renn RMC24 PTO Driven Roller Mill ...