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4600XL Wood Hog Horizontal Grinder

With a large hammermill and a 36″ (91.44 cm) tip swing, the Morbark 4600XL Wood Hog horizontal grinder offers unmatched performance in its class. Features include a 60″ x 46″ (152.4 cm x 116.84 cm) infeed opening for processing bulky material, 1050 HP (782 kW) engine, a pegged feed wheel to prevent wrapping, and rugged WHD-120 infeed chain to easily handle tough material.

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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.

Externally Adjustable Break-Away Torque Limiter

Flexible, easily adjustable torque limiter helps protect the driveline and hammermill for damage.

Electric Power

Electric power is available as an option for a cleaner and often more cost-effective way to process organic waste.

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Customer Testimonial - Tim Dempewolf, Wolfpack Wood Recycling, Featuring the Morbark 4600XL Wood Hog



4600XL Wood Hog Horizontal Grinder
Length (transport) wheeled42′, 12.8 m
Length (operating) wheeled63′, 19.2 m
Height wheeled13’3″, 4.04 m
Height (operating) wheeled16’9″, 5.1 m
Width wheeled10’11”, 3.33 m
Length (transport) tracked45′, 13.72 m
Length (operating) tracked61’10”, 18.85 m
Height tracked11’11”, 3.63 m
Height (operating) tracked16’4″, 4.98 m
Width tracked11’3″, 3.43 m
Gross weight wheeled75,660 lb, 34,320 kg
Axle weight51,600 lb, 23,405 kg
Tongue weight24,060 lb, 10,915 kg
Gross weight tracked88,640 lb, 40,206 kg
Horsepower1050 HP, 783 kW
Hydraulic oil capacity wheeled187 gallons, 708 litres
Fuel capacity (tank) tracked340 gallons, 1,287 litres
Hydraulic oil capacity tracked267 gallons, 1,010 litres
Towing arrangementfifth wheel
Infeed Opening60" x 46", 152.4 cm x 116.8 cm
Screen area4,414 sq in, 28,477 sq cm
Tracks(optional) 325L Caterpillar undercarriage
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