Coring Shaft
Core aeration
When the job calls for true core aerification, the Coring Shaft uses hollow tines to physically remove thatch and organic matter and exchange soil. It brings conventional core aeration to the same universal frame — no second machine required.
[ UNIVERSAL FRAME SYSTEM · WEIGHTS ]
Know your total weight
Frame + shaft + your selected accessories = total.
No accessory added.
| Model | Frame (lb) | Shaft (lb) | Add-on (lb) | Total (lb) |
|---|---|---|---|---|
| UA40 · 40″ | 303 | 145 | 0 | 448 lb |
| UA60 · 60″ | 347 | 175 | 0 | 522 lb |
| UA80 · 80″ | 672 | 192 | 0 | 864 lb |
Totals include the frame, listed shaft weight and selected accessories. Unselected accessories and other attachments are excluded.
The seed box is the only optional accessory in this Power Seeder comparison. Roller and rake are not added separately.
These equipment weights are not tractor lift-capacity guidance.
Spec sheet
| Specification | UA40 · 40″ | UA60 · 60″ | UA80 · 80″ |
|---|---|---|---|
| Action | Hollow-tine coring | Hollow-tine coring | Hollow-tine coring |
| Best for | Thatch & soil exchange | Thatch & soil exchange | Thatch & soil exchange |
| Shaft weight | 145 lb | 175 lb | 192 lb |
| Aeration density (as listed) | 5–6 slits per sq ft | 5–6 slits per sq ft | 5–6 slits per sq ft |
| Coring depth | Up to 4½ in | Up to 4½ in | Up to 4½ in |
| Spoon spacing | 5 in | 5 in | 5 in |
| Spoons | ¾ in ID hardened steel | ¾ in ID hardened steel | ¾ in ID hardened steel |
| Spoon count | 64 | 96 | 128 |
| Bearings | Oil-impregnated bronze | Oil-impregnated bronze | Oil-impregnated bronze |
Weights are listed by frame size. Combined weights above are frame plus shaft and any accessory selected above. Other attachments are excluded.



