The DK2 OPG888E Stump Grinder rates 4.2 among walk-behind stump grinders; the MechMaxx SG30PRO PTO Stump Grinder rates 4.0 among PTO ones. The DK2 OPG888E Stump Grinder costs $619.01 less ($2,379.99 vs $2,999).
A well-built Kohler grinder with key start and a long warranty, for frequent use. It costs a little less than the MechMaxx SG380 Kohler but does not swing across the stump.
Amazon $2,379.99The pick for a 40 to 100 hp tractor and a lot of stumps. It cuts deep and wide for under $3,000.
Amazon $2,999Prices 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.
These two sit in different type classes (walk-behind and PTO), 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 | DK2 OPG888E Stump Grinder | MechMaxx SG30PRO PTO Stump Grinder |
|---|---|---|
| Overall rating | 4.2/5 | 4.0/5 |
| Price 25% | 49 $2,379.99 | 40 $2,999 |
| Depth 20% | 80 10 in below grade | 100 10 in below grade |
| Height or wheel 10% | 75 14 in above grade | 100 30 in cutter wheel |
| Power 10% | 100 429 cc engine | 100 tractors up to 100 hp |
| Teeth 10% | 100 12 teeth | 100 44 teeth |
| Features 15% | 70 electric start, tow bar | 50 slip clutch |
| Warranty 10% | 100 3-year warranty | 33 1-year warranty |
| DK2 OPG888E Stump Grinder | MechMaxx SG30PRO PTO Stump Grinder | |
|---|---|---|
| Cutting | ||
| Type | Walk-behind | PTO, 3-point hitch |
| Depth below grade | 10 in | 10 in |
| Height above grade | 14 in | - |
| Cutter wheel | 14 in | 30 in |
| Teeth | 12 | 44 |
| Power | ||
| Engine | Kohler Command PRO CH440 | - |
| Displacement | 429 cc | - |
| Engine power | 14 hp | - |
| Electric start | Yes | - |
| Tractor | - | 40 to 100 hp |
| Hitch category | - | 1 and 2 |
| Slip clutch | - | Yes |
| Build | ||
| Tow bar | Yes | - |
| Weight | 285 lb | 641 lb |
| Warranty | 3 years | 1 year |
