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MORBARK 3400X Wood Hog Horizontal Grinder

Horizontal Grinders

Equipment Features

  • Sloped Infeed Sides - Sloped infeed sides and an additional 24″ (60.96 cm) infeed length gives the operator improved visibility and loading efficiency.
  • Externally Adjustable Break-Away Torque Limiter - Flexible, easily adjustable torque limiter helps protect the driveline and hammermill for damage.
  • Feed System - Internal planetary drive with no chains and sprockets means lower maintenance, more torque and better durability.
  • Morbark Integrated Control Systems (MICS) - Automatically adjusts feed rates and monitors pressures and feed wheel position to maximize production and engine efficiency.
  • Extended Maintenance Platform - The area between the hood and the engine has been reconfigured to provide an additional 12 inches (30.48 cm) of working space, for better access to components for general maintenance or to change screens.

Length (transport): 38’2” (11.63 m)
Length (operating): 57’9” (17.37 m)
Height (transport): 12” (3.66 m)
Height (operating): 16’”¼” (4.95 m)
Width: 8’6” (2.59 m)


Gross weight wheeled (approx.): 59,720 lbs. (27,088 kg)
Axle weight (approx.): 40,460 lbs. (18,352 kg)
Tongue weight (approx.): 19,260 lbs. (8,736 kg)

Gross weight tracked (approx.): 71,900 lbs (32,613 kg)


Engine: CAT
Horsepower: 520 to 800 HP (388 to 596 kW)


Fuel Capacity (tank): 300 gallons (1,135 litres)
Hydraulic Oil: 100 gallons (378 litres)


Screen Area: 3,785 sq in (24,419 sq cm)


Tracks: 320L Caterpillar undercarriage with double grousers


32” x 58”½” (81.28 cm x 149 cm) hammermill system constructed of heavy-duty 20” (50.8 cm) diameter rotor, (16) 58”1/8” (2.86 cm) thick two piece laser cut rotor plates to ensure precisions and enforce steel strength. The plates are keyed on a 7”¼” (18.41 cm) diameter shaft with 4”7/16” (11.27 cm) bearings on both ends of the rotor and eight 2”¼” (5.7 cm) hammer retaining rods. Hammermill pattern has (18), 2” (5.08 cm) balanced forged heavy-duty hammers, (18) 3”1/16” (7.78 cm) wide double-edged replaceable inserts and 18 rakers.


  • Sloped infeed sides and an additonal 24” (60.96 cm) infeed length gives the operator improved visibililty and loading efficiency
  • Extended platform area between the hood and engine for performing maintenance
  • Hydraulic hinged door allows quick and easy access for changing grates.
  • Removable infeed chain return floor
  • Automatic reversing fan system
  • Dust suppression system
  • Hydraulically operated debris containment door
  • Remote control with tethered back-up system
  • Magnetized end pulley with collecting slide tray for ferrous metal removal
  • 11-HP (8.2 kW) air compressor with lockable enclosure

Infeed Opening: 57”½” x 38” (145 cm x 96.5 cm)

Variable speed infeed system consists of one 34” (86.36 cm) diameter top compression feed roll with internal drive and a 16” long x 57”½” (4.88 m x 146 cm) wide live floor equipped with four strands of WDH-120 chain in a staggered configuration


  • Electric power

Discharge system consists of a hydraulically driven, horizontal 42” x 19’9” (106.68 cm x 6.02 m) aggregate belt conveyor discharging onto a 36” (91.44 cm) wide stacking conveyor with hydraulic fold for transport.


Listening closely to customer feedback while developing the design for the 3400X Wood Hog, Morbark provides the features customers want and the versatility they need, while staying true to our proven technology. One of the most important features of the 3400X is that it can be made as narrow as 8’4″ (2.53 m), making it within the legal transport width in any country, no matter what engine is used. This model accommodates engines from 520 to 800 horsepower (388 to 596 kW), so it is ideal for a broad range of applications in a wide variety of markets worldwide. Like all of Morbark Wood Hog models, the 3400X also is available with electric power. The size of the 3400X allows the same model, using a broad range of engines, to be configured for multiple applications and global markets without additional design considerations.

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MORBARK 3400X Wood Hog Horizontal Grinder

Horizontal Grinders

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