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Promac Forestry Heavy Duty Flail Mulcher

This robust 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. As with all our equipment, Promac offers replacement parts and exceptional customer service.


  • 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


  • Variable displacement motor for faster rotor recovery and increased low speed torque
  • Custom colors available.
HDF 36HDF 48HDF 60
Excavator size (tons)13+16+20+
Cut width36″48″60″
Approx. weight2800lb3000lb3200lb
ColorMetallic grey / blueMetallic grey / blueMetallic grey / blue
Motor size (cc)80107107
Motor typeBent Axis PistonBent Axis PistonBent Axis Piston
Flow min (GPM)354545
Flow pressure (PSI)400040004000
Tooling typeFlail HammerFlail HammerFlail Hammer
Tooling number242628


  • 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