Titan Attachments PBSG420 Stump Grinder
#10 in Walk-behindFull review
A solid deep-cutting grinder with a known engine brand. It suits a homeowner who can push it to each stump.
Amazon $1,587.75$1,587.75
The Titan Attachments PBSG420 Stump Grinder is the better stump grinder overall, rated 3.7 to 3.4. The Titan Attachments PBSG420 Stump Grinder leads on price and power. The Dosko 337S-13HC Swivel Stump Grinder wins on features and height or wheel. The Titan Attachments PBSG420 Stump Grinder costs $5,012.20 less ($1,587.75 vs $6,599.95).
Dosko 337S-13HC Swivel Stump Grinder
#16 in Walk-behindFull review
A rental-grade grinder for someone with many stumps or a small tree business. Most homeowners will not get value from the price.
Amazon $6,599.95$6,599.95
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 Titan Attachments PBSG420 Stump Grinder for price ($1,587.75 vs $6,599.95) and power (420 cc engine vs 389 cc engine).
- Choose the Dosko 337S-13HC Swivel Stump Grinder for features (swings across the stump vs none of the three) and height or wheel (20 in above grade vs 15 in above grade).
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 | Titan Attachments PBSG420 Stump Grinder | Dosko 337S-13HC Swivel Stump Grinder |
|---|---|---|
| Overall rating | 3.7/5 | 3.4/5 |
| Price 25% | 76 $1,587.75 | 0 $6,599.95 |
| Depth 20% | 100 12 in below grade | 100 16 in below grade |
| Height or wheel 10% | 88 15 in above grade | 100 20 in above grade |
| Power 10% | 96 420 cc engine | 82 389 cc engine |
| Teeth 10% | 50 8 teeth | 50 8 teeth |
| Features 15% | 0 none of the three | 30 swings across the stump |
| Warranty 10% | 0 warranty not published, scored as none | 67 2-year warranty |
Specifications
| Titan Attachments PBSG420 Stump Grinder | Dosko 337S-13HC Swivel Stump Grinder | |
|---|---|---|
| Cutting | ||
| Type | Walk-behind | Walk-behind |
| Depth below grade | 12 in | 16 in |
| Height above grade | 15 in | 20 in |
| Cutter wheel | - | 14 in |
| Teeth | 8 | 8 |
| Power | ||
| Engine | Briggs & Stratton XR 420cc | Honda GX390 |
| Displacement | 420 cc | 389 cc |
| Engine power | 13.5 hp | 13 hp |
| Electric start | No | - |
| Build | ||
| Swings across stump | - | Yes |
| Tow bar | No | - |
| Weight | - | 380 lb |
| Warranty | - | 2 years |