Promac Brush Mulcher
HDF Series

Heavy Duty Flail
Excavator Mounted Mulcher

This robust Promac Heavy Duty Flail (HDF) excavator mounted mulcher is the perfect option for operators who want good production rates, a large mulch size and carbide tooling to allow operation near the ground. Sturdy enough for a multitude of jobs in almost any environment, this durable and reliable flail unit is designed to ‘give’ when encountering an immovable object, ensuring the longevity of the machine and reducing maintenance and operational costs.

Promac HDF Features:

  • Available in three cut widths, 36", 48" and 60".
  • Equipped with robust and forgiving carbide-faced flail hammer tooling.
  • Designed to operate at a maximum of 2000 RPM.

Optional Features:

  • Variable displacement motor for faster rotor recovery and increased low speed torque.
  • Custom colors available.


  • Land clearing.
  • Forest fire prevention.
  • Road development and maintenance.
  • Pipeline development and maintenance.
  • Trail development and maintenance.
  • Transmission line development and maintenance.
  • Railway development and maintenance.
Product Information
Promac Brush Mulcher HDF
Specifications HDF 36 HDF 48 HDF 60
Excavator Size (tons) 13+ 16+ 20+
Cut Width 36" 48" 60"
Approx. Weight 2800lb 3000lb 3200lb
Motor Size (cc) 80 107 107
Motor Type Bent Axis Piston Bent Axis Piston Bent Axis Piston
Flow Min (gpm) 35 45 45
Flow Pressure (psi) 4000 4000 4000
Tooling Type Flail Hammer Flail Hammer Flail Hammer
Tooling Number 24 26 28

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