MechMaxx SG28 PTO Stump Grinder
#2 in PTOFull review
For a utility tractor owner clearing many stumps. It cuts deeper and wider than the 24 in models.
Amazon $2,499$2,499
The MechMaxx SG28 PTO Stump Grinder is the better stump grinder overall, rated 3.8 to 3.6. The MechMaxx SG28 PTO Stump Grinder leads on depth, power and height or wheel. The Woodland Mills WG24 PTO Stump Grinder wins on warranty, price and features. The Woodland Mills WG24 PTO Stump Grinder costs $444 less ($2,055 vs $2,499).
Woodland Mills WG24 PTO Stump Grinder
#3 in PTOFull review
A 24 in compact tractor grinder from a maker with a longer warranty and North American support. It is worth the extra cost for peace of mind.
Woodland Mills $2,055$2,055
Prices were last checked November 3, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the MechMaxx SG28 PTO Stump Grinder for depth (8.5 in below grade vs 6 in below grade), power (tractors up to 80 hp vs tractors up to 45 hp) and height or wheel (28 in cutter wheel vs 24 in cutter wheel).
- Choose the Woodland Mills WG24 PTO Stump Grinder for warranty (3-year warranty vs 1-year warranty), price ($2,055 vs $2,499) and features (slip clutch, parking stand vs slip clutch).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every PTO stump grinder; a clear win is highlighted. How we rank explains each one.
| Factor weight | MechMaxx SG28 PTO Stump Grinder | Woodland Mills WG24 PTO Stump Grinder |
|---|---|---|
| Overall rating | 3.8/5 | 3.6/5 |
| Price 25% | 54 $2,499 | 70 $2,055 |
| Depth 20% | 79 8.5 in below grade | 43 6 in below grade |
| Height or wheel 10% | 80 28 in cutter wheel | 40 24 in cutter wheel |
| Power 10% | 71 tractors up to 80 hp | 21 tractors up to 45 hp |
| Teeth 10% | 100 44 teeth | 71 34 teeth |
| Features 15% | 50 slip clutch | 70 slip clutch, parking stand |
| Warranty 10% | 33 1-year warranty | 100 3-year warranty |
Specifications
| MechMaxx SG28 PTO Stump Grinder | Woodland Mills WG24 PTO Stump Grinder | |
|---|---|---|
| Cutting | ||
| Type | PTO, 3-point hitch | PTO, 3-point hitch |
| Depth below grade | 8.5 in | 6 in |
| Cutter wheel | 28 in | 24 in |
| Teeth | 44 | 34 |
| Power | ||
| Tractor | 35 to 80 hp | 15 to 45 hp |
| Hitch category | 1 | 1 |
| Slip clutch | Yes | Yes |
| Build | ||
| Parking stand | - | Yes |
| Weight | 618 lb | - |
| Warranty | 1 year | 3 years |