MXG42 Stump Grinder

Aimed at landscapers and stump grinding contractors, as well as rental stores, the Morbark MXG42 Stump Grinder is an ideal unit for grinding smaller stumps. Its compact size and mobility allows access to sites that couldn’t be reached with larger stump grinders.

Equipped with 35 horsepower/26 kilowatt, this stump grinder gets you on and off the job quickly. With a choice of four cutting system options, you can customize your grinder to best fit your needs. No other manufacturer offers this wide a variety of cutting system choices. Standard equipment on the Morbark MXG42 Stump Grinder includes 4-up comfort grip fingertip controls, electric clutch engagement from the operator’s station to increase safety and improve belt life, and high-gloss Morthane paint.

Stump Grinder 4-up Fingertip Controls

4-up Fingertip Controls

Operator’s control station with 4-up fingertip controls gives you complete control of the machine functions from one location.

Electric Clutch for the Morbark G42 SP Stump Grinder

Electric Clutch

Electronic clutch engagement from operator’s station increases operator safety and improves belt life.

MXG42 Boom Pivot

Boom Pivot Assembly

Heavy-duty boom pivot is enhanced in critical areas for extended service life.

Clic Dual Stump Grinder Wheels

Clic™ Duals Option

Requiring no tools, Morbark’s exclusive spring-loaded Clic™ Duals cut dual wheel removal and installation time in half versus bolt-on dual wheel configuration.


Length:  112″
Width (w/o dual wheels) : 35″
Height: 54″
Gross weight: 1,620 lbs.

Engine: Kohler CH980, Gasoline
Horsepower: 35 HP

Fuel capacity: 9 gallons
Hydraulic oil capacity: 3 gallons

Boom arc swing: 42″
Maximum cutting height: 20″
Maximum cutting depth: 15″

Tires: (4) 5.70-8

Primary drive: V-Belt
Secondary drive: V-Belt

Cutter wheel speed: 1,530 RPM

Equipment Highlights

Electronic cutter head engagement with electronic shut-down brake

Two-speed ground travel from 0-1.7 MPH

160cc hydraulic drive motor with 3:1 drive torque multiplier and hydraulic actuated parking brake with 3,700 in/lb of holding force

1 ¾” diameter, 4140 hardened cutter head shaft with pillow block cutter head bearings

Oscillating front axle for stability over rough or uneven terrain

3″ square x 3/16″ thick wall tubular steel frame structure

Hydraulic system with dual displacement gear pump, four-spool mono block control valve and geroler drive motor

Conventional cutter wheel with Greenteeth® hardware

Steel hood enclosure protecting hydraulic components, fuel and hydraulic reservoirs

Morthane® Paint System: A chemically cured, electrostatically applied urethane coating with high-gloss finish, built-in UV protection, chip and chemical resistance and corrosion protection


  • Quadwheel® cutter wheel with Wearsharp™ teeth
  • Dual Wheel Package with spring-loaded Clic™ duals
  • Custom paint and logo packages
Specifications may vary with equipment options.

The Morbark Wearwolf™ Insert rips through palm, hardwood, frozen and soft woods, anything you can feed it.

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