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HSM60 Skid Steer Forestry Mulcher | Promac

HSM60 Skid Steer Forestry Mulcher | Promac

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Brand:
SKU:
PM-HSM60
Weight:
2,500.00 LBS
Availability:
In-Stock

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Promac Heavy Duty Skid Steer Mulcher Attachment

Overview 

The Promac HSM Skid Steer Drum Mulcher is a high end mulcher attachment manufactured on Vancouver Island, and holds its own against any comparable mulcher in the industry. Suitable for skid steers from 70-120 hp and hydraulic flow of 35-45 GPM @ 4000 psi, it makes quick work of whatever brush and trees that end up in the way of the 60" wide, 17" diameter drum and cutter teeth. The drum is powered by a 107cc variable torque bent axis piston motor, and utilizes a durable cogged drive belt to eliminate slippage. The attachment rides smoothly on replaceable bolt on AR400 skid shoes. The drum also includes dust seals that keep dust and dirt out of the machine, ensuring it will run smooth for years. 

Why Promac? 

The frame is made of fully welded high strength steel and a boxed in design, which provides better rigidity than other open designs. This allows the HSM to stay under 2,500 lbs and maintain great machine stability when operating. The frame is also very low profile, resulting in outstanding operator visibility and control, and the smooth, natural, lines of the attachment make it hard to get hung up on anything. The leading edge of the attachment, where it makes contact with the ground, has a flat profile that allows 1" of controlled ground contact with minimal tilt. This makes it easy to ensure you leave a nice, well mulched finish without digging into the ground and risking damaging the cutter teeth. This also limits material from ejecting under the machine during back dragging since the chain bar and frame still impede the material at this angle.

A replaceable AR400 wear liner protects the welded in liner. This eliminates the need to ever replace the welded liner, which can otherwise wear quickly in sandy conditions and cost you a lot in dollars and downtime. A bolt in rear anvil (see photo #7) provides additional durability. The anvil is crucial to prevent too large of material in between the liner and the drum, which could reduce the speed of the drum or even cause jamming. The anvil is made up of  12" sections to allow selective replacement where it is the most worn. These features give the HSM outstanding durability and longevity. 

The drum itself has a Chip Production Rotor, also known as a "bite limiter", that makes sure you don't bite off more than you can chew, and also controls discharge particle size. The Drum also features welded steel wire cutters that prevent wire from winding on the drum shaft and damaging the bearing seals. The Cutter Teeth are easy to sharpen and reversible, lasting on average 40 hours per side or more (assuming you avoid rocks).

Promac has an option for Double Carbide Cutter Teeth. The Carbide Teeth hold up much longer (up to 500 hrs vs. 40-100 hrs for chipper teeth), especially in rocky conditions, but do not cut as efficiently and cannot be sharpened. Since rocks are more likely to come in contact with the outside edges of the drum, we recommend purchasing carbide teeth on the outside 4 rows of the drum, and leaving the more efficient chipper teeth in the center, directly in front of the operator. This configuration allows for selective use of the chipper teeth (use the center of the drum to mulch a larger tree). Inquire for different tooth combination options. 

Safety

  • Discharge Control: The trajectory of the front discharge is within 5' feet of the machine when operating level vs. 20-50' on other open face mulcher machines.
  • Hydraulic brake option: See options below. 
  • Motor Case Overpressure Protection: On other mulchers, in the event that the case drain line from the mulcher back to the carrier is blocked, or there is an over pressure of the motor case beyond the rating of the motor, a complete failure of the mulcher drive motor is a common result.  This is a very expensive fix since the repair is a compete replacement of the drive motor. Promac has incorporated an overpressure relief valve in the case drain line that will protect the motor case from overpressure.  The operator is signaled of the situation via a small amount of oil discharge through a relief port located in the operators view from the cab.

Options

  • Standard Chipper Teeth - The HSM60 comes standard with classic chipper teeth. These can be sharpened, reversed, and replaced easily. They are extremely efficient at mulching wood and last between 40-100 hours per side depending on conditions (They deteriorate quickly in rocky conditions). 
  • Double Carbide Cutter Teeth - Promac's Double Carbide Teeth are not as efficient at mulching and cannot be sharpened, but they are extremely tough, lasting up to 500 hrs and they hold up much better in rocky conditions. Because the attachment is more likely to make contact with rocks and other hard material on the ends of the drum, we recommend purchasing Double Carbide Teeth for the outer 4 rows on each end of the drum (16 teeth), and leaving the middle section with the more efficient Chipper Teeth. You may also purchase a full set of Double Carbide Teeth. The attachment will ship with a full set of chipper teeth, so you can use the extra chipper teeth as replacements as the wear down. 
  • Hydraulic brake - Some other manufacturers have offered brakes for the drum as well.  Unfortunately they do not work because as the pressure to the mulcher drops due to maneuvering the skid steer, the brake can engage and slow down the drum.  Promac has solved this problem with a hydraulic delay that engages the brake after a 5 second delay.  The drum comes to a full stop in about 20 seconds (5 second delay + 10-15 seconds to stop).  

Features

  • 107cc variable torque bent axis piston motor
  • Double Carbide Teeth options
  • Removable and sharpenable teeth
  • Dust seals keep dust out of the machine
  • Replaceable bolt on skid shoes made of 1/2" AR400 wear plate
  • Replaceable bolt in rear anvil made of AR400
  • Replaceable wear liner
  • Cogged drive belt for long life and drive slippage
  • Chip Production Rotor (bite limiter)
  • Discharge control within 5 ft
  • Hydraulic Brake (Can stop in 20 seconds)
  • Multiple teeth configurations

Product Specifications 

Required Flow Range:
35-45 GPM
Cutting Width:
60"
Drum Diameter:
17"
Motor:
107cc variable torque bent axis motor
Drive Belt:
Cogged Drive Belt Design
Frame Material:
Fully Welded High Strength Steel
Time to full stop:
20 seconds
Weight:
2,500 Lbs

Product Videos

Promac Skid Steer Drum Mulcher Overview with President Gary Powers 08:33
  • Promac Skid Steer Drum Mulcher Overview with President Gary Powers
    Our NEW HSM 60 is the industry standard for high flow, heavy-duty, skid-steer mounted mulching equipment. Equipped with replaceable skid shoes and a bolt-in rear anvil makes it a versatile, long-lasting machine suitable for even the most extreme jobs. With a rugged, fully welded, high-quality frame design, this high flow drum mulcher will be tough on the job without being tough on your machine. Standard Features: • Heavy-duty, low profile frame design incorporates high-strength steel, full-strength welds, and smooth lines for durability, visibility, and no material hang up. • Easily replaceable parts ensure longevity and low cost of ownership. • Powerful and efficient variable torque piston motor. • Equipped with Promac’s proven next generation Chip Production Rotor (CPR) that offers 60” of cutting width at just 2,500 lbs. • Suitable for a high-flow skid steer. See the specs at https://www.promacequipment.ca/skid-s...
  • New Promac Skid Steer Attachment, The HSM 60 mulching Alder Hardwood
    Our HSM 60 is the new industry standard for high flow, heavy-duty, skid-steer mounted mulching equipment. Equipped with replaceable skid shoes and a bolt-in rear anvil makes it a versatile, long-lasting machine suitable for even the most extreme jobs. With a rugged, fully welded, high-quality frame design, this high flow drum mulcher will be tough on the job without being tough on your machine. See the specs at https://www.promacequipment.ca/skid-steer-attachments/hsm-60/

Skid Steer Solutions, Inc. offers a 1-Year Limited NO-HASSLE Warranty on all attachment products and their accessories purchased from our website SkidSteerSolutions.com, please visit our warranty page for full details. Our warranty on parts and wear parts is dependent upon the manufacturer's warranty. Please visit our warranty page for more information. To learn about our returns policy, please visit our Shipping and Returns page for the full details.

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