PowerKing PK0803-EH Stump Grinder
#11 in Walk-behindFull review
For a buyer who wants a Kohler key-start grinder with spares in the box. Its reach above and below grade is modest.
WoodSplitterDirect $2,045$2,045
The PowerKing PK0803-EH Stump Grinder and the Digmight 15HP Stump Grinder are evenly matched, rated 3.6 and 3.5. The PowerKing PK0803-EH Stump Grinder leads on features. The Digmight 15HP Stump Grinder wins on height or wheel and price. The Digmight 15HP Stump Grinder costs $646 less ($1,399 vs $2,045).
Digmight 15HP Stump Grinder
#12 in Walk-behindFull review
A budget 420cc grinder for tall stumps above ground. It is less suited to deep root removal, and the warranty is unclear.
Amazon $1,399$1,399
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 PowerKing PK0803-EH Stump Grinder for features (electric start, tow bar vs none of the three).
- Choose the Digmight 15HP Stump Grinder for height or wheel (20 in above grade vs 10 in above grade) and price ($1,399 vs $2,045).
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 | PowerKing PK0803-EH Stump Grinder | Digmight 15HP Stump Grinder |
|---|---|---|
| Overall rating | 3.6/5 | 3.5/5 |
| Price 25% | 59 $2,045 | 84 $1,399 |
| Depth 20% | 60 9 in below grade | 56 8.8 in below grade |
| Height or wheel 10% | 25 10 in above grade | 100 20 in above grade |
| Power 10% | 100 429 cc engine | 96 420 cc engine |
| Teeth 10% | 62 9 teeth | 62 9 teeth |
| Features 15% | 70 electric start, tow bar | 0 none of the three |
| Warranty 10% | 33 1-year warranty | 0 warranty not published, scored as none |
Specifications
| PowerKing PK0803-EH Stump Grinder | Digmight 15HP Stump Grinder | |
|---|---|---|
| Cutting | ||
| Type | Walk-behind | Walk-behind |
| Depth below grade | 9 in | 8.8 in |
| Height above grade | 10 in | 20 in |
| Cutter wheel | 12 in | 12 in |
| Teeth | 9 | 9 |
| Power | ||
| Engine | Kohler Command Pro CH440 | 420cc 4-stroke OHV |
| Displacement | 429 cc | 420 cc |
| Engine power | 14 hp | 15 hp |
| Electric start | Yes | No |
| Build | ||
| Tow bar | Yes | No |
| Weight | 250 lb | - |
| Warranty | 1 year | - |