For a utility tractor owner clearing many stumps. It cuts deeper and wider than the 24 in models.
Amazon $2,499The MechMaxx SG28 PTO Stump Grinder rates 3.8 among PTO stump grinders; the Bilt Hard 212cc Stump Grinder rates 3.1 among walk-behind ones. The Bilt Hard 212cc Stump Grinder costs $1,399.01 less ($1,099.99 vs $2,499).

For a few small or soft stumps where a rental would cost nearly as much. Pick a 420cc model for big hardwood stumps.
Amazon $1,099.99Prices 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.
Scores side by side
These two sit in different type classes (PTO and walk-behind), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | MechMaxx SG28 PTO Stump Grinder | Bilt Hard 212cc Stump Grinder |
|---|---|---|
| Overall rating | 3.8/5 | 3.1/5 |
| Price 25% | 54 $2,499 | 100 $1,099.99 |
| Depth 20% | 79 8.5 in below grade | 26 7.3 in below grade |
| Height or wheel 10% | 80 28 in cutter wheel | 100 20 in above grade |
| Power 10% | 71 tractors up to 80 hp | 5 212 cc engine |
| Teeth 10% | 100 44 teeth | 25 6 teeth |
| Features 15% | 50 slip clutch | 0 none of the three |
| Warranty 10% | 33 1-year warranty | 33 1-year warranty |
Specifications
| MechMaxx SG28 PTO Stump Grinder | Bilt Hard 212cc Stump Grinder | |
|---|---|---|
| Cutting | ||
| Type | PTO, 3-point hitch | Walk-behind |
| Depth below grade | 8.5 in | 7.3 in |
| Height above grade | - | 20 in |
| Cutter wheel | 28 in | 10 in |
| Teeth | 44 | 6 |
| Power | ||
| Engine | - | 212cc 4-stroke |
| Displacement | - | 212 cc |
| Engine power | - | 7 hp |
| Electric start | - | No |
| Tractor | 35 to 80 hp | - |
| Hitch category | 1 | - |
| Slip clutch | Yes | - |
| Build | ||
| Tow bar | - | No |
| Weight | 618 lb | - |
| Warranty | 1 year | 1 year |