Morbark, LLC

- Model M12D - Brush Chipper


With its power and easily transportable design, Morbark’s compact and economical Beever M12D brush chippers are the ideal unit for utility line clearing, residential tree services, rental yards and municipalities. The M12D’s 18″ diameter single top feed wheel with straight flow-through infeed design easily climbs over material, reduces drag and increases chipping efficiency, allowing it to overcome the limitations of comparable disc chippers.


Chipper Disc

37″ diameter x 2″ thick chipper disc material, ultrasonically tested and certified free of material defects, has four full-length, removeable paddles for maximum chip throwing velocity.


Channel Frame

8.2 lb., 6″ Channel frame fully extends beneath the infeed for maximum support.


Infeed System

Folding infeed tray with single (top) feed wheel and straight, flowthrough infeed design for more efficient material feed.


Feed Wheel

TorqMaxTM Top Feed Wheel Compression system with spring assisted down pressure generates more than 3,200 lb./ft. of material pulling force.


Length (transport): 16’2″
Length (operating): 17’5″
Height: 8’2″
Width: 5’11″

Gross weight: 5,350 lbs.
Suspension: 6,000 lb. torsion

Frame: 8.2 lb., 6″ channel

Tires: (2) 225/75Rx15″

Hitch: 2 ½” Pintle

Engine: CAT or Kubota
Horsepower: 84 to 99 HP

Fuel capacity: 24 ½ gallons
Hydraulic oil capacity: 9 gallons

Equipment Highlights

Chipper disc with four staggered ½” x 5″ x 7 ¼” dual-edged knives and four full-length, bolt-on chip throwing paddles

Folding infeed tray for reduced transport length and increased maneuverability

Quarter disc hood access for disc maintenance and eases serviceability.

360° manual rotation discharge with adjustable chip deflector

Enclosed engine with gauge panel, radiator fines screen and slide rails for belt adjustment

Fuel tank sight gauge, drain plug and shutoff valve

Hydraulic tank shut-off valve, drain plug, clean-out cover and vented filter head assembly with dipstick to check oil level

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.


  • Variable speed flow control
  • Reversing automatic feed system with hydraulic lift assist
  • Winch package: heavy-duty, 5,000 lb. pull capacity with rope and 10′ chafe guard
  • Aluminum diamond plate fenders
  • Custom paint and logo packages
  • Knife saver tool
  • Engine stop on infeed
  • Material pushing tool
  • Discharge clean-out door on side or bottom
  • Spanish and English safety decals

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