Bandit introduced its first horizontal grinder, the model 3680, in 1995. Since then, multiple Bandit models have been engineered and manufactured featuring a unique cuttermill for processing a diverse range of material.

Expanding the horizontal grinder line in 2024, Bandit introduced its first hammermill grinder, further enhancing the company’s already expansive line of horizontal grinders.

Serving multiple applications, each grinder easily processes a variety of material including but not limited to biomass, chunk wood, compost, disaster clean-up, municipal solid waste, mulch, orchard recycling, pallets, plastic pipe, shingles, stumps, whole trees, and more.

The company says customers can cut it, chip it, or hammer it with a Bandit horizontal grinder, with three different mill options.



The Vermeer HG4000 horizontal grinder offers robust performance in various applications, including wood waste recycling and landscaping material production, says the company.

The company says that the unit features the proven cutting performance of the Vermeer patented Series III duplex drum with reversible hammers and tips for extended wear life compared to single-sided designs, while offering bolt-in replacement parts. The hard-faced anvil on the HG4000 delivers impressive cutting action with the drum, and a redesigned robust anvil-mount structure helps ease the hard-faced wear edge replacement process.

The HG4000 is equipped with a 536 horsepower Cat C13B T4F/Stage V diesel engine and has a working sound level of 112 decibels. A wireless remote control comes standard with the HG4000, allowing operators to run most machine functions from up to 300’ away.


Diamond Z

The high capacity, low maintenance Diamond Z DZH7000 series is a good fit for any large scale wood waste and land clearing grinding operation, says the company. It is the largest portable/mobile horizontal grinder on the market, according to Diamond Z.

With up to 1200 horsepower and production capacity in excess of 1000 yards per hour, the DZH7000 is the machine of choice for the most difficult jobs, including storm duty. Diamond Z says that no other grinder can match its power, high production capability and versatility in difficult conditions. It’s equipped with an internal drive feed roller which allows for easy maintenance access and has less moving parts, all while ensuring minimal spillage and the highest surface torque in the industry.

The DZH7000TK series track-mounted horizontal grinder has all the features and capabilities of the DZH7000 with the added mobility of a track-mounted machine. Its complete transport system easily and safely secures to the grinder, making it ready for transport and avoiding expensive permitting fees.


CBI/Frontline Machinery

The CBI 6400CT is an extreme duty machine engineered for resilience, versatility, and the ability to process highly contaminated feeds such as construction and demolition waste, railroad ties, whole trees, pallets, storm debris, shingles, logs, mulch, slash, and stumps.

Featuring four different swappable rotors to accommodate changing materials and processing demands, the solid steel rotor is designed for grinding contaminated demolition debris, railroad ties, and municipal solid waste, while the forged drum rotor is designed for forestry debris, mulch and hog manufacturing, and the 2- and 4-pocket chipper rotors are used for producing fuel chips.

The new “cassette-style” clamshell design allows end users to completely swap out rotors faster than any other grinder in its class, according to the company. Frontline Machinery says that users can transition from grinding to chipping in half the time as before, providing confidence in accepting jobs with various material demands.

From construction and demolition to forestry, mulch, and chipping, the CBI 6400CT is said to deliver more processing possibilities with one machine.



The Peterson 5710E horizontal grinder is particularly suited for land clearing operations or other applications where mobility is desired. The horizontal grinder is equipped with several features designed to improve efficiency and help operators reduce material handling cost.

The 5710E features a larger rotor that can accommodate a greater number of grinding bits. The new rotor is eight per cent larger and 19 per cent heavier than the previous model. More mass means more grinding power. To keep up with this improved power, the screening area has also been increased to allow for greater throughput. Additionally, the grate change process has been simplified.

While the weight and size have been increased where it counts, the machine is lighter overall. In its redesign process, Peterson grinder manufacturer Astec Industries examined how to maximize efficiency and simplicity at each stage of the grinding process. That is evident from the rotor to the screens, and even in the new compression roll cylinders, which offer better down force to help process material as it is fed in the rotor.



Morbark offers a full line of Wood Hog horizontal grinders in a range of sizes, on tracks or tires, diesel or electric powered. With a wide variety of options available, there is the opportunity to customize the perfect grinder for customer needs. Morbark says that the Wood Hog is the best industrial grade grinder for processing brush, yard waste, clearing debris, storm debris, construction and demolition waste, other mixed woody feedstocks, and asphalt shingles into saleable products. All Wood Hogs come standard with: the Morbark Integrated Control System (MICS) to maximize production and engine efficiency; a laser-cut, factory-balanced rotor for unsurpassed durability; and an aggressive feed wheel with an internal poclain drive that has no chains or sprockets, for more torque and reduced maintenance.

Tony Kryzanowski



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