MechMaxx SG28 PTO Stump Grinder
#2 in PTOFull review
For a utility tractor owner clearing many stumps. It cuts deeper and wider than the 24 in models.
Amazon $2,499$2,499
4.0/5
The pick for a 40 to 100 hp tractor and a lot of stumps. It cuts deep and wide for under $3,000.
- 10 inDepth below grade
- 30 inCutter wheel
- 40 to 100 hpPower
- 44Teeth
Check price at Amazon$2,999
Price checked November 3, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- The largest wheel here at 30 in, with 44 teeth
- 10 in below grade
- Fits Cat 1 and Cat 2 hitches
Cons
- Needs a tractor of at least 40 hp
- No hydraulic swing, so you steer each pass with the tractor
The MechMaxx SG PTO family
Every MechMaxx SG PTO model we rank, smallest first. Ratings compare each against its own type.
| Model | Depth below grade | Rating | Price |
|---|---|---|---|
| MechMaxx SG24 PTO Stump Grinder | 6 in | 3.5/5 | $1,449 |
| MechMaxx SG24PRO PTO Stump Grinder | 6 in | 3.3/5 | $1,799 |
| MechMaxx SG28 PTO Stump Grinder | 8.5 in | 3.8/5 | $2,499 |
| MechMaxx SG30PRO PTO Stump Grinder (this one) | 10 in | 4.0/5 | $2,999 |
How it scores
The rating comes from 7 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | SG30PRO |
|---|---|
| Cutting | |
| Type | PTO, 3-point hitch |
| Depth below grade | 10 in |
| Cutter wheel | 30 in |
| Teeth | 44 |
| Power | |
| Tractor | 40 to 100 hp |
| Hitch category | 1 and 2 |
| Slip clutch | Yes |
| Build | |
| Weight | 641 lb |
| Warranty | 1 year |
Alternatives in this type
Woodland Mills WG24 PTO Stump Grinder
#3 in PTOFull review
A 24 in compact tractor grinder from a maker with a longer warranty and North American support. It is worth the extra cost for peace of mind.
Woodland Mills $2,055$2,055
MechMaxx TSG61 PTO Stump Grinder
#4 in PTOFull review
The best PTO grinder for a mid-size tractor with rear remotes. Hydraulic swing and 12 in depth make it work like a small commercial machine.
Amazon $3,099$3,099
Compare
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