DK2 OPG777 Stump Grinder
#7 in Walk-behindFull review
For a buyer who wants a known engine and the longest machine warranty in this price range. Depth is average.
Amazon $1,799$1,799
The DK2 OPG777 Stump Grinder is the better stump grinder overall, rated 3.8 to 3.5. The DK2 OPG777 Stump Grinder leads on warranty, price and height or wheel. The PowerKing PK0803-SP Stump Grinder wins on features. The DK2 OPG777 Stump Grinder costs $725 less ($1,799 vs $2,524).
PowerKing PK0803-SP Stump Grinder
#15 in Walk-behindFull review
For a buyer with hills or long walks between stumps. The drive saves effort, but cutting reach is the same as the cheaper PK0803-EH.
WoodSplitterDirect $2,524$2,524
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 DK2 OPG777 Stump Grinder for warranty (3-year warranty vs 1-year warranty), price ($1,799 vs $2,524) and height or wheel (12 in above grade vs 10 in above grade).
- Choose the PowerKing PK0803-SP Stump Grinder for features (electric start, tow bar vs tow bar).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every walk-behind stump grinder; a clear win is highlighted. How we rank explains each one.
| Factor weight | DK2 OPG777 Stump Grinder | PowerKing PK0803-SP Stump Grinder |
|---|---|---|
| Overall rating | 3.8/5 | 3.5/5 |
| Price 25% | 68 $1,799 | 45 $2,524 |
| Depth 20% | 60 9 in below grade | 60 9 in below grade |
| Height or wheel 10% | 50 12 in above grade | 25 10 in above grade |
| Power 10% | 100 429 cc engine | 100 429 cc engine |
| Teeth 10% | 62 9 teeth | 62 9 teeth |
| Features 15% | 35 tow bar | 70 electric start, tow bar |
| Warranty 10% | 100 3-year warranty | 33 1-year warranty |
Specifications
| DK2 OPG777 Stump Grinder | PowerKing PK0803-SP Stump Grinder | |
|---|---|---|
| Cutting | ||
| Type | Walk-behind | Walk-behind |
| Depth below grade | 9 in | 9 in |
| Height above grade | 12 in | 10 in |
| Cutter wheel | 12 in | - |
| Teeth | 9 | 9 |
| Power | ||
| Engine | Kohler Command PRO CH440 | Kohler Command Pro CH440 |
| Displacement | 429 cc | 429 cc |
| Engine power | 14 hp | 14 hp |
| Electric start | No | Yes |
| Self-propelled | - | Yes |
| Build | ||
| Tow bar | Yes | Yes |
| Weight | 231 lb | 304 lb |
| Warranty | 3 years | 1 year |