- Model HG8000 - Horizontal Grinder



Large-diameter wood and brushy debris are no match for the HG8000 horizontal grinder. No need to cut it down to size: this monster of a machine has the largest infeed opening in its class and the power of a 1050 hp/783.3 kw CAT Tier 2 engine. Dual planetary feed roller drives push material into the drum with outstanding efficiency. Extra-wide load-out conveyer lets you drop processed wood where you want it without slowing down the grinding action.

  • Get up and running quickly with four pre-set infeed settings that control the material’s finished size.
  • Increase productivity thanks to the exclusive Vermeer SmartGrind system, which automatically controls grinding speed based on engine rpm levels.  
  • Improve cutting performance using the patented series II duplex drum system with reversible hammers and cutter blocks that simplify maintenance and nearly double wear life.
  • Change screens easily with the on-board screen handler system.
  • See your Vermeer dealer for comprehensive service and genuine Vermeer replacement parts.

The HG8000 / HG8000TX horizontal grinders from Vermeer boast the largest infeed opening in their class, helping to increase your productivity and expand job possibilities.

Powered by a 1050-hp (783 kW) CAT Tier 2 engine, these units handle big diameter wood and large, brushy debris with ease. Plus, its innovative design incorporates several features to help reduce material spillage and jobsite cleanup time.

The HG8000 is equipped with a fifthwheel towing configuration and is available with either super single or dual wheels, while the HG8000TX features a tracked undercarriage with 28' (71.1 cm) wide double or triple-grouser track pads.

Both grinders feature dual-sided reversible hammers and cutter blocks that provide increased cutting performance, lower maintenance, and nearly double the life of single-sided designs. A replaceable mill liner fully lines the sides, floor, and underside of the feed roller carrier, helping protect structural integrity. Liners can also be easily replaced when their wear limit is reached.

Designed to tackle tough jobs, the HG8000 and HG8000TX enable productivity for the long-haul.

Large Infeed

At 50' (127 cm) high by 71.5' (182 cm) wide, the HG8000 / HG8000TX have the largest infeed openings of any horizontal grinders on the market. Plus, they feature a low-speed, high-torque infeed conveyor drive motor for powerful feeding and a reinforced, heavy-duty alloy conveyor chain. Operators are able to process greater volumes of material and larger product usually reserved for a tub grinder.

Wide Loadout Conveyor

At 14 to 18' (4.3 to 5.5 m) discharge height for the HG8000, 14.5' (4.4 m) for the HG8000TX, the 66' (168 cm) wide loadout conveyors are the widest around. This allows for greater volume of processing with less chance of spillage or plugging.

Series II Duplex Drum

With reversible hammers and cutter blocks, this drum offers nearly double the life of single-sided designs, producing optimum cutting performance and simplified maintenance.


Three preset grinding settings: aggressive, general, and regrind reduce operator training time and result in more consistent end product. A fourth setting can be customized for specific product needs.

Dual planetary feed roller drive

For added torque and greater processing power, the large feed roller features dual planetary drive motors.

Screen Hoist

The on-board screen handler system is unique to the HG8000 / HG8000TX and comes with either a manual or optional pneumatic hoist to help operators save time with easy screen changes.

Replaceable Anvil

The heavy-duty anvil structure features a 2' (5 cm) top plate with a 1' (2.5 cm) replaceable wear surface. The entire anvil is replaceable from ground-level in the event of damage from a contaminant. All of the hardware used to secure the anvil is located outside the machine away from the material wear path.

Remote Control

In addition to most machine functions, the discharge height is adjustable via remote control (trailer unit only), a feature unique to the industry that helps keep operators productive and the machine working efficiently.


Weight: 102,000 lb (46,266.4 kg)
Length (transport): 49.5' (15.1 m)
Length (operational) : 62.9' (19.2 m)
Width: 11.9' (3.6 m)
Height: 13.5' (4.1 m)
Sound power: 104.5 dB(A) at operator’s station


Drum diameter: 42' (106.7 cm)
Tip diameter: 52' (132.1 cm)
Drum cutting width: 72' (182.9 cm)
Drum skin thickness: 1.25' (3.2 cm)
Drum speed: 1000 rpm
Number of hammers: 12
Number of cutters: 24
Screen weight: 600 lb – 800 lb (272.2 kg – 362.9 kg)
Screen dimensions: 38' x 73' (96.5 cm x 185.4 cm)
Number of screens: 2
Anvil: Alloy steel


Make / model: Caterpillar C27 Tier 2
Aspiration: Turbocharged and air-to-air charge-cooled
Number of cylinders: 12
Horsepower (gross): 1050 hp (783 kW)
Cooling medium: Liquid
Air cleaners: Three primary and secondary with precleaners
Oil filter: Dual spin-on
Electrical system: 24 V, 75 Amp
Fuel tank capacity: 400 gal (1514.2 L)
Fuel consumption at full load: 51.3 gph (194.2 L/hr)
Operation range: 7.5 hrs @ full load (approx.)

Drive Line

Hydraulically-operated wet clutch with integrated PTO


Full-function operator's station with remote control standard
Remote control standard functions:
Feed roller rotation (reverse)
Feed conveyor (reverse)
Feed roller (raise / float / crush)
TOD (raise / lower)
Loadout conveyor (raise / lower)
AutoFeed (on / off and mode selection – SmartGrind / AutoReverse)
Machine parameters (adjust / set)
Throttle control
Real-time engine and machine performance data
Service faults
Radiator cooling fan (forward / reverse)
Engine stop

Infeed System

Feed roller diameter: 48' (121.9 cm)
Feed roller width: 66.5' (168.9 cm)
Feed roller tooth style: Serrated bars
Feed roller raise height: 75' (190.5 cm)
Feed roller down pressure: Hydraulically adjustable
Feed throat height: 50' (127 cm)
Feed table width: 71.5' (181.6 cm)
Feed table length: 24' (7.3 m)
Feed conveyor type: Welded slat chain
Hopper load height: 8.7' (2.6 m)
HG8000 Feature Specifications


Conveyor type: Viper 330# with V-cleat
Conveyor belt width: 66' (167.6 cm)
Discharge height: 14' – 18' (4.3 m – 5.5 m)

Hydraulic System

Type: Open loop
Oil tank capacity: 100 gal (378.5 L)
Oil type: Vermeer HyPower 68
Fan drive
Type: Hydrostatic
Oil type: Vermeer HyPower 68


Special paint
Extended warranties
Preventive maintenance packages
Air compressor
Water pump system for fire protection
Magnetic discharge conveyor pulley
Air operated or manual screen hoist
Abrasion resistant mill liner package
Dual steel or super single aluminum trailer wheels

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