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About the Product

Product Features

Available in 36”, 48”, 60” inch cutting widths, the HDF’s heavy flail hammer tooling, bent axis piston 80cc or 107cc motor options, and 20” inch drum diameter offers a fast and heavy-duty mulching action, with added forgiveness on your tooling in the instance of operator errors or mishaps due to unpredictable terrain. Reinforced and replaceable wear shoes, and the extra robust boxed-in construction, heavily utilizing 100,000 PSI steel, means you can mulch each tree straight to the ground as fast as the job requires, and better process the mulch on the ground to as fine as the job requires. The easy-to-remove panels to thoughtful service areas means faster maintenance and maximum up time. Some notable application types for this attachment are right-of-way maintenance, industrial site preparation/maintenance, and rural property preparation/maintenance.

  • Flail Hammer Drum Type
  • Flat-Top Bracket
  • Carbide Faced, Heat-Treated Flail Hammers
  • Bracket Mounted Pusher Pad (optional)
  • Quick-Change or Pin-Type Bracket (optional)
  • Fixed or Variable Displacement Motor (optional)
  • 20” Front Exposed Drum
  • Easily Accessible Service Points
  • Replaceable Wear Shoes
  • Fully Boxed-In Construction

Product Specs

Model

HDF3680A

HDF3680A-C

HDF48107A

HDF48107A-C

HDF60107A

HDF60107A-C

Dimensions

62"x 49"x 59"

62"x 49"x 59"

74"x 49"x 59"

74"x 49"x 59"

86"x 49"x 59"

86"x 49"x 59"

Excavator Size

13-20 tons

13-20 tons

20-30+ tons

20-30+ tons

22-30+ tons

22-30+ tons

Cut Width

36"

36"

48"

48"

60"

60"

Avg. Flow Range

29-33 GPM

29-33 GPM

40-44 GPM

40-44 GPM

40-44 GPM

40-44 GPM

Min. Weight

2600 lbs (w/ Flat Top Bracket)

3000 lbs (Estimated w/ Full Bracket)

2900 lbs (w/ Flat Top Bracket)

3300 lbs (Estimated w/ Full Bracket)

3200 LBS (w/ Flat Top Bracket)

3600 lbs (Estimated w/ Full Bracket)

Min. Pressure

4000 psi

4000 psi

4000 psi

4000 psi

4000 psi

4000 psi

Std. Motor Size

80 cc

80 cc

107 cc

107 cc

107 cc

107 cc

Std. Motor Type

Bent Axis Piston

Bent Axis Piston

Bent Axis Piston

Bent Axis Piston

Bent Axis Piston

Bent Axis Piston

Sugg. Drum Speed

2000 RPM

2000 RPM

2000 RPM

2000 RPM

2000 RPM

2000 RPM

Promac Equipment

Forged in the heart of western forestry over five decades, Promac Equipment designs and manufactures premium mulchers, masticators, and cutters built to thrive in the toughest vegetation management conditions. Known across the industry for uncompromising quality and performance, Promac Equipment products are engineered to keep operators working—not fixing. No gimmicks. No cheap features. Just rock-solid reliability that stands up to the harshest environments. Proudly based and built in British Columbia, Canada—where serious forestry demands serious equipment.

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Purchase Summary

Promac Equipment’s HDF: Heavy Duty Flail Forestry Mulcher is our same forestry-proven, boxed-in drum style mulcher for 13-30+ ton excavators, but specially designed to give contractors the added optional benefits of flail hammers. These benefits range from increased durability for new operators or unpredictable terrain, to reduced general maintenance requirements and related costs. Promac’s no-nonsense western forestry roots ensure this unit to give you more notable power, robustness, serviceability, and endurance over other boxed-in drum mulchers – with this design known to last 20+ years.

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Qty

Our warranty policy lasts 30 days. If 30 days have passed since your purchase, we can’t offer you a full refund or exchange.

Warranty Policy

At Forge Attachment Company, we strive to provide efficient and reliable shipping for all our heavy equipment attachments. Please read the following shipping policy to understand how your order will be processed and delivered.

Shipping Policy

We understand that sometimes products may not meet expectations or requirements. To ensure a positive shopping experience, we’ve outlined our Refunds & Returns Policy.

Returns Policy