Bilt Hard 420cc Stump Grinder vs MechMaxx SG30PRO PTO Stump Grinder

Last updated: November 3, 2026

The MechMaxx SG30PRO PTO Stump Grinder rates 4.0 among PTO stump grinders; the Bilt Hard 420cc Stump Grinder rates 3.7 among walk-behind ones. The Bilt Hard 420cc Stump Grinder costs $1,599.01 less ($1,399.99 vs $2,999).

Bilt Hard 420cc Stump Grinder vs MechMaxx SG30PRO PTO Stump Grinder

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.

Scores side by side

These two sit in different type classes (PTO and walk-behind), 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 weightMechMaxx SG30PRO PTO Stump GrinderBilt Hard 420cc Stump Grinder
Overall rating4.0/53.7/5
Price 25%40 $2,99984 $1,399.99
Depth 20%100 10 in below grade66 9.3 in below grade
Height or wheel 10%100 30 in cutter wheel100 24 in above grade
Power 10%100 tractors up to 100 hp96 420 cc engine
Teeth 10%100 44 teeth62 9 teeth
Features 15%50 slip clutch0 none of the three
Warranty 10%33 1-year warranty33 1-year warranty

Specifications

MechMaxx SG30PRO PTO Stump GrinderBilt Hard 420cc Stump Grinder
Cutting
TypePTO, 3-point hitchWalk-behind
Depth below grade10 in9.3 in
Height above grade-24 in
Cutter wheel30 in-
Teeth449
Power
Engine-420cc 4-stroke
Displacement-420 cc
Engine power-15 hp
Electric start-No
Tractor40 to 100 hp-
Hitch category1 and 2-
Slip clutchYes-
Build
Tow bar-No
Weight641 lb-
Warranty1 year1 year

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