The Case IH ecolo-tiger 30C: creates a better plant growth environment to reduce plant stress provides effective crop residue management promotes higher yields provides an outstanding return on your investment 23 Dramatic Improvements The next stage in the evolution of the Case IH ecolo-tiger primary tillage system has taken a large stride with the 30C Series. Twenty-three design changes have been made to increase productivity, residue flow and your bottom line. Main frame stretched 8 in. to increase clearance by lead shanks Increased lift cylinder lug thickness Gussets added on the wheel arm support of 730C Strengthened 530C wheel pedestal Hub and spindle load ratings have increased Increased tire ply & load ratings Total machine weight has increased for more powerful cutting force disk level’r™ arms increased to 4 in. x 6 in. tubing level'r cylinder mounts are thicker and on the side of the tube for more strength Three-piece V-seals in disk level’r hubs Rear hitch mounts off back of 6 in. x 8 in. frame rather than under the frame (rear hitch not shown) New saddle-type level’r arm design for increased durability Disk frame angle increased from 15 degrees to 18 degrees Increased rank between front and rear disks Fore and aft disk support tube is now mounted for improved soil and residue flow Wing hinge redesigned for increased holding power on 730C Shims stop the disk wing at a level position on 730C Heavier C-spring hangers feature additional residue clearance Blade to disk frame clearance was increased from 1-1/4 in. to 2-3/4 in. New three-piece V-seals on disk hubs Larger disk blade 24 in. diameter Crimped center – shallow concavity Earth Metal™ blades New spring pack for increased disk down force