7600B Wood Hog Horizontal Grinder

Our largest, most productive horizontal grinder, the Morbark 7600B Wood Hog is built for processing clearing debris, yard waste and storm debris into sellable products. This heavy-duty grinder features a 76″ x 72″ infeed opening for processing a variety of material and engine options up to 1200 HP.

Morbark Integrated Control Systems (MICS)

Automatically adjusts feed rates and monitors pressures and feed wheel position to maximize production and engine efficiency.


Laser-cut upturn rotor, factory-balanced with forged hammers, offers unsurpassed durability and smooth operation.

Feed System

Internal planetary drive with no chains and sprockets means lower maintenance, more torque and better durability.

Grate Access

Hydraulic hinged door allows quick and easy access for changing grates.


Length (transport): 47′
Length (operating): 70’11”
Height: 13’6″
Height (operating):18’5″
Width: 11’8″

Gross weight: 106,500 lbs.
Axle weight: 67,560 lbs.
Tongue weight: 38,940 lbs.

Engine: CAT
Horsepower: 1050 HP to 1200 HP

Fuel capacity (tank): 430 gallons
Hydraulic oil capacity: 260 gallons

Brakes: air

Towing arrangement: fifth wheel

Dust suppression system

Hydraulically operated debris containment door

Remote control with tethered back-up system

Infeed System

Infeed opening: 76″ x 72″

Variable speed infeed system consists of one 48″ diameter top compression feed roll with internal drive and a 20′ long x 72″ wide hydraulically driven live floor equipped with five strands of WDH-120 chain in a staggered configuration with dual drives.

Hammermill and Grates

49-½” x 72-¼” hammermill system is constructed of heavy-duty 35″ diameter rotor, (18) 1-3/8″ two-piece thick “laser-cut” rotor plates keyed on a 9″ diameter shaft with 5-7/16″ bearings and (12) 2-½” hammer retaining rods. Hammermill has (18) 2-½” thick balanced forged steel fixed-teeth insert hammers, (18) 3-¾” wide double-edged replaceable inserts and 18 rakers.

Discharge System

Discharge system consists of a hydraulically driven, horizontal 60″ wide x 25′ long aggregate belly belt conveyor discharging onto a 48″ wide x 30′ long stacking conveyor with hydraulic fold for transport.


  • Electric power
  • Externally adjustable break-away torque limiter
  • Automatic reversing fan system
  • Radial stacking conveyor
  • Variety of grates sizes available
  • Magnetized end pulley with collecting slide tray for ferrous metal removal
  • 11 HP air compressor with lockable enclosure
  • Hydraulic rod puller
  • ESPAR heating system for cold-weather start
Specifications may vary with equipment options.
Morbark AR450 Grates

Morbark AR450 Grates:
High Performance. Higher Value.

Morbark AR450 Grates give you:

  • Morbark Quality
  • Longer Life
  • Greater Value
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