MXG50 Track Stump Grinder

The powerful, lightweight and affordable Morbark MXG50 Track Stump Grinder is ideal for landscapers, stump grinding contractors and rental stores. Its compact size and power — combined with a 50″/127 cm boom arc swing, maximum cutting height of 21 ½”/54.61 cm and maximum cutting depth of 16″/40.64 cm — allow customers the ability to expand their business or generate new business.

MXG50 4up Controls

4-up Fingertip Controls

Tip-out operator’s control station with 4-up fingertip controls gives you complete command 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.

MXG50 Remote

Remote Control

Custom remote control provides full command of the unit from a distance, making the work more efficient, safer and faster.


Length: 112″/284.48 cm
Width: 35″/88.9 cm
Height: 54″/137.19 cm
Weight: 1,900 lbs./861.82 kg

Engine: Kohler CH980, Gasoline
Horsepower: 35 HP/26 kW

Fuel capacity: 9 gallons/34.1 L
Hydraulic oil capacity: 3 gallons/11.36 L

Boom arc swing: 50″/127 cm
Maximum cutting height: 21 ½”/54.61 cm
Maximum cutting depth: 16″/40.64 cm

Tracks: 32″/81 cm long x 7″/17 cm wide

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

Cutter wheel speed: 1,530 RPM

Ground PSI: 4.24

Equipment Highlights

50″/127 cm Boom Arc Swing with Long Boom Technology maintains full width cutting arc regardless of depth with variable swing speed and bolt-on chip containment/deflect curtain

Two-speed ground travel: 85 FPM/1.55 kph for maneuvering around the stump or 160 FPM/2.93 kph for traversing to the job

12.1 CID track drive motors for low-end torque

1 ¾”/4.44 cm diameter, 4140 hardened cutter head shaft with pillow block cutter head bearings

Steel hood enclosure protecting hydraulic components, fuel and hydraulic reservoirs

Low-maintenance track system for superior stability over rough or uneven terrain

Tubular steel frame structure for vibration control and rigidity

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

The Morbark Paint System is a Super-Shield® topcoat and two-component, high-performance, isocyanate-free, urethane system.  The topcoat is high-solids, low-VOC, and offers long-term color and UV protections, as well as resistance to a wide range of chemicals, pollutants, and natural weathering. The system utilizes automotive grade pigments in the Super-Shield topcoat to achieve outstanding color and gloss protection.  The system has also been tested to meet many military-grade standards for long-term performance. (Super-Shield is a registered trademark of Cloverdale Paint Inc.)


  • Conventional cutting system with Greenteeth® hardware
  • Quadwheel® cutter wheel with Wearsharp™ teeth
  • 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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