Description
When you’re working ground and hear that tell-tale wobble coming from your disc gang, chances are it’s time for a new spool. A worn spool throws your discs out of alignment, creates uneven wear patterns, and makes for rough tillage that shows up in your seedbed. This 5-1/2 inch spool gets your disc gang running smooth and true again.
What You’re Getting
- Fits the standard 1-3/4 inch square axle found on most John Deere disc equipment
- Built for 9-inch disc spacing—the right width to keep your gang properly aligned
- Direct replacement that slides right on without modifications or special tools
- Heavy-duty construction that handles the constant rotation and side loads of field work
Built for Real Farm Work
This spool works on a wide range of John Deere disc harrows including the 220, 225, MX225, 621, 627, 630, 637, 655, and 660 models, plus the 714 mulch-tiller. These are the workhorses you count on for primary tillage, seedbed prep, and residue management—equipment that sees long days and tough conditions from spring through fall.
Made to Last
Disc spools take a beating between the constant spinning, dirt abrasion, and side forces from turning. This one’s built to handle it all with materials that resist wear and maintain their dimensions even after thousands of acres. The smooth finish reduces friction and helps your discs roll freely.
Good to Know
Before installing, check your axle for wear or damage—a bent axle will eat up a new spool quickly. Clean off any built-up dirt or old grease, and apply a light coat of grease to the axle before sliding the new spool on. It should fit snugly but still allow the disc assembly to move freely.
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