MechMaxx 24-Inch 3-Point PTO Stump Grinder SG24 – 15–45 HP Tractor (150151)

Heavy-Duty 3-Point Stump Grinder with 34 Carbide Teeth & Included PTO Shaft

Remove unwanted tree stumps efficiently with the MechMaxx SG24 24-Inch PTO Stump Grinder. Designed for tractors delivering 15–45 HP at the PTO, this heavy-duty attachment features a 24-inch solid steel cutting wheel equipped with 34 tungsten carbide cutting teeth.

The SG24 connects to a Category 1 three-point hitch and operates using your tractor's 540 RPM PTO. It can grind approximately 6 inches below ground level to help remove stumps and prepare areas for grading, landscaping, or grass.

The included PTO driveline with friction slip clutch provides the connection to your tractor and helps protect the drivetrain from excessive torque loads.

Available Colors:

• Orange – SKU 150151

• Green – SKU 150151G

Both colors feature identical specifications and operating capabilities.

Key Features & Benefits

• 24-Inch Steel Cutting Wheel: Heavy-duty ¾-inch-thick flywheel provides effective stump grinding performance.

• 34 Tungsten Carbide Teeth: Durable YG11C carbide cutting teeth provide dependable cutting performance and are replaceable.

• 15–45 PTO HP Compatibility: Designed for tractors within the manufacturer's specified PTO power range.

• 6-Inch Below-Grade Grinding: Removes stumps below the surrounding ground surface for landscaping and property maintenance.

• PTO Shaft Included: Features a 1⅜-inch, 6-spline PTO driveline with friction slip clutch.

• 540 RPM PTO Operation: Works with compatible tractor PTO systems.

• Category 1 Three-Point Hitch: Compatible with suitable Category 1 quick-hitch systems.

• Integrated Support Legs: Provide stability during storage and simplify attachment to the tractor.

• Built-In Chainsaw Holder: Conveniently carries a chainsaw between job locations.

• File Bucket Included: Provides storage for the manual and installation tools.

• Heavy-Duty Construction: Rugged steel components designed for demanding agricultural and landscaping applications.

• 1-Year Manufacturer's Warranty: Includes a one-year limited machine warranty.

Product Specifications

Ideal Applications

• Tree stump and root removal

• Farm and ranch maintenance

• Orchard clearing

• Land clearing and landscaping

• Preparing ground for grass or grading

• Woodland and acreage maintenance

• Tractor attachment and equipment rental operations

Frequently Asked Questions

What size tractor is required for the MechMaxx SG24?

The SG24 is designed for tractors delivering 15–45 horsepower at the PTO and equipped with a compatible Category 1 three-point hitch and 540 RPM PTO.

Does the SG24 include the PTO shaft?

Yes! The SG24 includes a 1⅜-inch, 6-spline PTO driveline with a friction slip clutch. Verify driveline length and tractor compatibility during installation.

What is the difference between the orange and green SG24 models?

Only the color and SKU differ:

• 150151 – Orange

• 150151G – Green

Both models share the same cutting wheel, carbide teeth, mounting system, PTO requirements, and warranty.

How deep can the SG24 grind?

The SG24 is designed to grind approximately 6 inches below ground level. Actual results depend on the tractor, terrain, and operating conditions.

Does the SG24 require its own engine?

No. The SG24 operates from your tractor's PTO and does not have a separate gasoline engine.

What is the difference between the SG24 and SG24PRO?

Both models feature a 24-inch cutting wheel, 34 carbide teeth, and the same 15–45 PTO HP requirement.

The SG24PRO adds an anti-kickback shock absorption system, a Go/No-Go tilt indicator, and a chain-equipped chip deflector.

Is liftgate delivery included?

Yes! Liftgate delivery is included at no additional charge from Wood Splitter Direct for eligible freight shipments. The carrier can lower the crated attachment from the truck to ground level, subject to safe access and liftgate capacity. Assembly and final placement are not included.

Does the SG24 require assembly?

Yes. Some assembly and tractor setup are required. Follow the manufacturer's installation instructions, including proper PTO driveline sizing, slip-clutch setup, and three-point hitch adjustment.

What warranty is included?

The SG24 includes a one-year limited manufacturer's machine warranty, subject to MechMaxx warranty terms.

Why Choose the MechMaxx SG24?

The MechMaxx SG24 PTO Stump Grinder transforms a compatible tractor into a powerful stump removal machine without requiring a separate engine.

With its heavy-duty 24-inch cutting wheel, 34 carbide teeth, included PTO shaft, and Category 1 hitch design, the SG24 provides a practical solution for property maintenance and stump removal.

Choose Orange or Green and tackle unwanted tree stumps with the MechMaxx SG24.

Manuals & Documentation 

PTOSG24 Product Manual

MechMaxx PTO Stump Grinder Comparison

Manufacturer-published specifications. All five models operate at 540 RPM, include a PTO shaft with slip clutch, and have a one-year limited machine warranty.