Top 10 3 Point Stump Grinder Reviews Review (August 2026)

⚡ Quick Verdict

📋 How We Evaluated

Evaluation focused on build quality signals like solid steel flywheels, cutting wheel diameter, and protective hardware such as slip clutches or hydraulic stabilization. Performance criteria included carbide tooth count, cutting depth below ground, PTO input specifications, and whether the design supports controlled feed rates.

Value and suitability considered intended tractor HP range, hitch compatibility, and Amazon rating availability signals, noting that these listings provide no rating data.

Model	SG28
Recommended Tractor HP	35-80HP
Grinding Flywheel Diameter	28 inches
Carbide Teeth	44 tungsten carbide teeth
Cutting Depth Below Ground	8.5 inches
PTO Protection	Slip clutch (PTO shaft included)
Hitch	3-point hitch

What We Found

MechMaxx SG28 is a 3-point PTO stump grinder for 35-80HP tractors, built around a 28-inch solid steel grinding flywheel. It lists 44 tungsten carbide cutting teeth. The PTO-driven approach is about controlled cutting through a matched tractor PTO system, with operator-managed travel speed.

The listing claims it can remove roots up to 8.5 inches below ground and prepare the surface for grading or grass. It also repeats the operating principle common to PTO grinders, where best results come when PTO speed stays independent from transmission-driven travel speed.

The description includes a PTO shaft with slip clutch, intended to protect the system from obstructions. Overall, SG28 scales up wheel diameter and carbide capacity compared with the 24-inch class.

Who It’s For

SG28 is for owners with larger 35-80HP tractors who want faster stump throughput and deeper grinding within its stated class. It suits contractors, rural maintenance teams, and larger acreage owners doing land prep as part of replanting or property cleanup.

The 28-inch wheel and 44 carbide teeth should be a better match for bigger stumps than 24-inch grinders. I would expect steady pull-through passes and safe swing clearance around the stump. The slip clutch should help if you hit hidden rocks or stubborn root sections.

Model	SG28
Recommended Tractor HP	35-80HP
Grinding Flywheel Diameter	28 inches
Carbide Teeth	44 tungsten carbide teeth
Cutting Depth Below Ground	8.5 inches
PTO Protection	Slip clutch (PTO shaft included)
Hitch	3-point hitch

What We Found

MechMaxx SG28 (with PTO shaft included and slip clutch) is a scaled-up PTO stump grinder built around a 28-inch solid steel grinding flywheel. It uses 44 tungsten carbide cutting teeth for tractors in the 35-80HP range.

The listing claims grinding down to 8.5 inches below ground to remove roots and prepare the site for grading or grass. As with other PTO units, it emphasizes independent PTO operation, so you manage PTO speed separately from tractor transmission speed.

The included slip clutch on the PTO shaft is intended to protect when the grinder encounters obstructions. The SG28 description also stresses traction through the stump, where your travel rate should match grinding needs independently of PTO speed.

Overall, this model prioritizes carbide capacity, flywheel diameter, and protective clutching for high-demand cleanup work.

Who It’s For

SG28 fits operators who already run 35-80HP tractors and want more aggressive reduction than 24-inch class grinders. I see it working well for contractors handling repeated land maintenance and clearing stumps ahead of replanting. The 28-inch wheel and 44 carbide teeth target larger stump diameters, while keeping the PTO-driven workflow.

Because results depend on how you control travel speed, it suits users comfortable fine-tuning feed rate. The slip clutch should also help reduce downtime in rocky or root-dense ground.

PTO Input Speed	540 RPM
Max Torque (PTO)	1200 N·m
Cutting Depth Below Ground	6 inches
Grinding Wheel Diameter	24 inches
Carbide Teeth	34 tungsten carbide teeth
Hitch Category	Cat 1 3-point hitch
Recommended Tractor HP	15-45HP

What We Found

MechMaxx SG24 Green is essentially the same SG24 PTO stump grinder idea as the Orange variant, with a 3-point hitch and PTO-driven cutting head. It uses the included PTO drive shaft, with a stated 540 RPM input and 1200 N·m max torque rating.

The listing emphasizes independent PTO operation, so you control PTO speed separately from travel speed. The cutting assembly uses a 24-inch diameter solid steel flywheel with 34 tungsten carbide teeth. It targets stump and root removal to a listed 6-inch cutting depth, plus ground prep for grading or sodding.

There is also a small black storage box above the unit for the manual or small tools. The overall impression is a robust carbide-tooth milling wheel with tractor-based feed control.

Who It’s For

This one fits tractor owners who want category 1 PTO-driven grinding without hydraulic complexity. I would place it for small-acreage jobs like landscaping, orchards, and park maintenance, where predictable carbide action helps. The 15-45HP range suits compact tractors, and the 24-inch wheel helps balance reach with transport.

If you buy, plan on pull-through work and keep travel speed steady so the cutting stays consistent.

Series	Standard Series
Recommended Tractor HP	15-45HP
Hitch Compatibility	Cat 1
Cutting Wheel Diameter	24 inches
PTO Speed	540 RPM
Cutting Depth Below Ground	6.7 inches
Cutting Teeth/Blades	34 replaceable shear blades
PTO Protection	Slip clutch
Included Hardware	Locking pin, kickstands, hinge pins for floating wheel

What We Found

Titan Attachments Standard Series is a 3-point PTO-driven stump grinder for Cat 1 tractors rated at 15-45 HP. It includes a PTO shaft with a slip clutch and features a 24-inch diameter cutting wheel running at 540 RPM.

Cutting uses 34 replaceable shear blades and lists a cutting depth of 6.7 inches below ground to support stump coverage and cleanup. The unit highlights a low-profile view so operators can keep the wheel visible from the cab, which can improve positioning accuracy.

Operation is described as a simple forward drive to engage the grinder, which may streamline daily use. For transport and storage, it includes a locking pin to secure the wheel, two kickstands, and hinge pins that allow the wheel to float and reduce stress during grinding.

Overall, the Standard Series emphasizes easier setup, cab-visible positioning, and maintenance through replaceable blade hardware.

Who It’s For

I would recommend this for tractor owners who prioritize safety and visibility, especially with a low-profile cab view. Cat 1 compatibility and 15-45 HP makes it a reasonable fit for many compact tractor stumps in residential yards and small farms.

Replaceable shear blades can be a plus if you want predictable maintenance cycles and straightforward servicing. The cab-visible design supports careful stump work near landscaping or structures. Just confirm the blade and depth specs match your stump diameters, and expect a steady forward engagement style rather than one-pass removal.

Series	Pro Series
Recommended Tractor HP	20-60HP
Hitch Compatibility	Cat 1 and 2
Cutting Wheel Diameter	24 inches
Cutting Speed	950 RPM
Carbide Teeth	16 bolt-on replaceable carbide steel teeth
Cutting Depth Below Ground	12 inches
Swing Range	20 degrees left or right
PTO Protection	Slip clutch

What We Found

Titan Attachments Pro Series offers a 3-point PTO-driven stump grinder for Cat 1 and 2 tractors rated 20-60HP. It uses a simplified PTO-driven approach that reduces reliance on many hydraulic components, while still using dual hydraulic cylinders for maximum angle control.

The grinder includes a slip clutch on the PTO shaft to protect against obstructions. Cutting uses a 24-inch diameter wheel with a stated 950 RPM cutting speed, plus 16 bolt-on replaceable carbide steel teeth.

It cuts 12 inches below ground and provides a 20-degree left-right swing range to help chase roots from different angles. The build uses durable steel with greaseable pins, bushings, hoses, and couplers, and it includes a kickstand for storage. A delivery note also mentions phone number requirements for scheduling.

Who It’s For

I would shortlist this if you want angle control and added drive protection, especially on awkward stump shapes or partial root exposure. Cat 1 and 2 compatibility makes it easier to match across different tractors, and 20-60HP is a wide target for mid-size equipment and some light contractor fleets.

The 12-inch below-ground capability is attractive for deeper cleanouts and faster transitions to landscaping. I also like the slip clutch for unpredictable terrain. One note to verify, dual cylinders require hydraulic operation, so make sure you have the auxiliary ports.

Model	TSG61
Recommended Tractor HP	35-60HP
Cutting Wheel Diameter	24 inches
Carbide Teeth	16 carbide steel teeth
Cutting Depth Above Ground	18 inches
Cutting Depth Below Ground	12 inches
Hydraulic Positioning	Two hydraulic cylinders

What We Found

MechMaxx TSG61 is a larger hydraulic-positioning 3-point PTO stump grinder designed for 35-60HP tractors. Instead of relying only on mechanical positioning, it uses two hydraulic cylinders to position the milling head, and those cylinders are operated from the tractor cab.

The milling wheel is a 24-inch cutting wheel with 16 carbide steel teeth. The listing specifies an 18-inch cutting depth above ground and 12 inches below ground to tackle tougher roots and different stump sizes. For stability, it describes biting, stable support feet intended to reduce tractor vibration wear.

Power transfer uses an included telescoping drive shaft driven by PTO, aiming for economical power transfer. Overall, TSG61 focuses on adjustable head positioning via hydraulics and deeper below-ground reach than the 24-inch class units.

Who It’s For

This model fits contractors and larger property managers who already have hydraulic capacity for cab-controlled positioning. It makes sense for 35-60HP operations targeting tougher stumps where deeper root attack can reduce cleanup time. The 3-point PTO design can be appealing if you want power without swapping to a full excavator.

With fewer teeth than the SG24 lineup, performance will depend heavily on consistent feed rate and keeping the head aligned. I would also look at stability needs if you plan long grinding sessions.

PTO Input Speed	540 RPM
Max Torque (PTO)	1200 N·m
Cutting Depth Below Ground	6 inches (stated equivalent prep depth)
Grinding Wheel Diameter	24 inches
Carbide Teeth	34 tungsten carbide teeth
Hitch Category	Cat 1 3-point hitch
Recommended Tractor HP	15-45HP

What We Found

MechMaxx SG24 Orange is a 3-point PTO-powered stump root grinder made for 15-45HP Cat 1 tractors and loaders. It uses the included PTO drive shaft, with a stated 540 RPM input and 1200 N·m max torque.

The listing also describes independent control, so PTO speed and tractor travel speed can stay separate. Grinding comes from a 24-inch solid steel flywheel with 34 tungsten carbide teeth. The goal is root removal up to 6 feet below ground level, so you can follow with grading or sodding.

There is a black storage box above the grinder for instructions or small tools. Overall, it reads like a straightforward PTO stump grinder that leans on carbide bite and tractor-controlled feed rate.

Who It’s For

I would shortlist this if you have a compatible 15-45HP Cat 1 tractor and you want a mechanically simple PTO attachment. It fits homeowners and land managers working on orchards, parks, and garden lots where consistent carbide grinding matters.

The 34-tooth, 24-inch wheel size aims at routine cleanup for small to medium stumps. Before buying, confirm you can safely position it, because stump grinders usually need careful swing clearance.

Hitch Category	Category 1 3-point hitch
PTO Shaft	1-3/8-inch 6-spline PTO
PTO Input Speed	540 RPM
Grinding Wheel Diameter	24 inches
Carbide Teeth	34 tungsten carbide teeth
Cutting Depth Below Ground	6 inches

What We Found

BILT HARD 3 Point PTO Stump Grinder is built for Cat 1 tractors in the 15-45HP range. It uses a standard 1-3/8-inch 6-spline PTO shaft. The grinder has a 24-inch diameter flywheel with 34 tungsten carbide teeth, aimed at heavy-duty stump removal.

The listing states grinding to about 6 inches below ground, which is intended to support site cleanup before grading or sodding. Mounting focuses on Cat 1 3-point compatibility and quick-attach workflows.

It stands out with practical storage and support features, including a rear-mounted support leg for stability during storage and an onboard capsule for the manual and installation tools. There is also an onboard holder meant for secure chain saw transport.

Power operation follows the same PTO pattern, including a 540 RPM requirement and independent PTO operation that separates PTO speed from tractor travel speed.

Who It’s For

I would choose this if setup details and faster hooking matter to you, especially with common quick-attach routines. The Cat 1 hitch and 15-45HP requirement match compact tractor owners doing repeated stump cleanup in residential landscapes or small farms.

The integrated storage and support leg make it easier to stage between jobs. The chain saw transport holder targets workflow, not just grinding. This is for users who can maintain steady pull-through travel and run PTO at 540 RPM as required.

Cutting Depth Below Ground	6 inches
Grinding Flywheel Diameter	24 inches
Carbide Teeth	34 tungsten carbide teeth
Recommended Tractor HP	15-45HP
Hitch Category	3-point hitch
PTO Operation	PTO driven; independent from transmission

What We Found

MechMaxx SG24PRO Green uses the same SG24PRO PTO platform as the Orange version, with a 24-inch solid steel grinding flywheel and 34 tungsten carbide cutting teeth. It connects to the tractor’s 3-point hitch and is designed for 15-45HP tractors, where PTO power controls cutting speed.

The listing targets stump grinding down to 6 inches below ground level to clear roots ahead of grading or grass. Like other SG24 models, it emphasizes independent PTO operation, so you can set PTO speed while you control the travel pace separately.

The descriptions point to forestry, garden, park, orchard, and plantation use, including grinding roots into sawdust. Overall, it highlights durable steel construction and carbide teeth for repeat cutting cycles.

Who It’s For

This grinder is best for buyers who have a properly matched 15-45HP tractor that can run an independent PTO. I would shortlist it for landscaping crews and landowners where grading or replanting follows soon after stump removal.

The 3-point PTO design works well if you prefer fewer hydraulic parts and easier setup. Since grinding depends on feed rate, expect careful, slow passes to keep things stable while PTO stays engaged.

Cutting Depth Below Ground	6 inches
Grinding Flywheel Diameter	24 inches
Carbide Teeth	34 tungsten carbide teeth
Recommended Tractor HP	15-45HP
Hitch Category	3-point hitch
PTO Operation	PTO driven; independent from transmission

What We Found

MechMaxx SG24PRO Orange is a 3-point PTO stump grinder with a 24-inch solid steel grinding flywheel and 34 tungsten carbide teeth. It connects to a tractor’s 3-point hitch and is positioned for removing stumps and roots up to 6 inches below ground for preparing the area for grass or grading.

The listing calls for pairing with 15-45HP tractors at the PTO, and operation is described as the tractor pulling the grinder through the stump. It stresses that PTO speed should be independent from tractor transmission speed, which helps you control cutting output versus travel rate.

This design is described as PTO-driven without a hydraulic milling adjustment. There is also mention of grinding roots into sawdust or coverings, aiming it at landscaping and forestry-style cleanup.

Who It’s For

I would pick this if you want a direct 3-point hookup and predictable PTO-driven grinding, without additional hydraulic circuits. It suits homeowners and contractors handling multiple stumps in gardens, orchards, and park maintenance. The 15-45HP requirement puts it in the small-to-mid farm category rather than large development jobs.

For best results, plan on slower, steady passes, and manage PTO and travel speeds independently.

What to Look For Before Buying

Picking a 3 point stump grinder is mostly about matching tractor horsepower and hitch class first. After that, I would confirm PTO requirements, then compare cutting wheel size and carbide or blade setup. Finally, I’d verify depth claims and protective features like slip clutches, and note whether hydraulics are required.

Check Confirm tractor compatibility and PTO setup

Match hitch class like Cat 1 to the grinder’s 3-point interface, then verify the tractor PTO category. Confirm PTO input speed, like 540 RPM, and check whether the tractor supports independent PTO speed control. Make sure the included PTO shaft and spline type match your tractor.

If the specs mention hydraulic positioning or dual cylinders, confirm you have auxiliary ports and proper flow. Buying with mismatched PTO speed or hydraulics typically leads to slow grinding and faster wear.

Value Compare cutting wheel size, teeth count, and depth goals

I would compare cutting wheel diameter and wear part strategy, not just one depth number. A bigger wheel plus higher carbide tooth count often improves surface coverage and reduces repeated passes. For tougher root systems, prioritize models with deeper below-ground claims, like 12 inches or more.

For routine landscaping prep, a 6-inch class unit may be enough and usually costs less. Align your depth goals with stump diameter and soil conditions.

Rating Use rating signals and build documentation when ratings are missing

If ratings are missing, I treat listing specifics as my quality signals. More detailed hardware notes, like slip clutch presence, replaceable carbide parts, and greaseable bearings, usually indicate better engineering choices. Compare stated cutting speed and protective features across similar grinders.

If a listing’s depth language feels inconsistent, ask for clarification or look for alternate spec sheets. That reduces the chance you pay for vague performance promises.

Verify Verify wear parts and serviceability before purchase

Before buying, check what wear parts the grinder uses. Look for carbide teeth, bolt-on carbide, or replaceable shear blades. Carbide teeth can be a better fit for abrasive stumps, while shear blades may be simpler to maintain depending on replacement access.

Confirm availability of replacement parts and how often the listing implies you will replace them. Also note storage hardware like kickstands and locking pins, since you want protection between jobs. Serviceability is a real part of total cost over a season of use.

Frequently Asked Questions

What tractor horsepower range works best for 3 point stump grinders?

Most 3 point PTO grinders are aimed at specific tractor ranges. You’ll often see 15-45HP for 24-inch class models, and 35-80HP for larger SG28-style grinders. Going below the recommended range can make cutting sluggish and increase vibration.

Going above may feel aggressive, but it can also raise wear if your feed rate isn’t controlled. Always confirm both the PTO requirement and hitch class before ordering.

Do 3 point stump grinders require independent PTO speed control?

Many PTO-driven stump grinders work best when PTO speed stays independent from travel speed. That lets you control grinding intensity without the tractor transmission changing the cutting rate. Listings often describe pulling the grinder through the stump with a steady feed rate separate from PTO speed.

If your tractor cannot run independent PTO speed, results can vary a lot.

Carbide teeth or shear blades: which type cuts better?

Carbide teeth are generally meant for long-lasting cutting and can handle abrasive roots and mixed soil well. Shear blades can still grind effectively for routine stumps, but they may wear faster depending on stump hardness and replacement availability.

The best choice depends on your stump conditions, how easy it is to replace wear parts, and how frequently you plan to run the grinder. Wheel diameter and depth targets should also factor into your decision.

Why does a slip clutch matter on PTO stump grinders?

A slip clutch helps protect the PTO system when the grinder hits obstructions like rocks or dense root sections. It can reduce the chance of serious component damage and lower downtime on tough jobs. Models that include slip clutches are often easier to operate in unpredictable ground.

Always confirm the listing states the slip clutch is included.

What is the best way to operate a PTO stump grinder for cleaner results?

I would run a steady tractor pull-through movement and keep consistent PTO engagement. Avoid forcing the grinder with fast travel speed, because bite depends on controlled feed. Keep the wheel aligned and plan multiple passes rather than trying to knock everything out at once.

Once you reach your target depth, pause and clear loosened material before continuing. Safety gear and careful positioning around obstacles remain essential.

🎯 Final Verdict

MechMaxx SG24 Green is my top pick for the 24-inch wheel, 34 tungsten carbide teeth, and a 6-inch class cutting depth, with PTO-driven independent speed control. It matches common Cat 1, 15-45HP tractor setups and is aimed at consistent stump prep for grading or sodding.

If you want a positioning-friendly option, Titan Attachments Standard Series adds a low-profile cab view and slip-clutch protection. Confirm PTO and hitch compatibility, then rely on patient, steady passes.