Promac HDM

Heavy Duty Mulcher

This robust, forest-rated machine delivers high production rates and a consistent mulch size. It is designed for operators working above ground level. Developed by in-house engineers working closely with customers, this line of mulchers feature precision-manufactured tooling, rotors, bearing housings, shafts and drive systems which have been tried and tested on the rugged and demanding terrain of the Canadian west coast for over 10 years. Reliable, durable and easy to maintain, the Heavy Duty Mulcher is backed up by Promac’s renowned warranty, service and customer support.


  • Available in three cut widths – 36”, 48” and 60”
  • Heavy duty mulcher with the Promac Fixed Tooth Rotor (FTR) with rotatable quad tooling
  • Designed to operate at a maximum of 2200 RPM
  • Carbide-faced tooling for longer wear in operations where contact with the ground is routinely encountered
  • High performance rotor drive kit for rotor speeds up to 3000 RPM
  • Variable displacement motor for faster rotor recovery and increased low speed torque
  • Custom colors available
HDM 36HDM 48HDM 60
Excavator Size (tons)13+20+22+
Cut Width36"48"60"
Approx. Weight2800lb3000lb3200lb
Motor size (cc)80107107
Motor typeBent axis pistonBent axis pistonBent axis piston
Flow Min (GPM)3545-5045-50
Flow pressure (PSI)400040004000
Tooling typeQuadQuadQuad
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

Every piece of equipment has a different attachment apparatus so one bracket ‘does not fit all.’ Promac offers a custom bracket manufacturing service for all of our Brushmulcher and Brushcutter customers. Tell us the make and model of your equipment and we will supply you with the design, manufacturing time and cost of a custom bracket that fits all of your needs.

Download product sheet: HDM 36 | HDM 48 | HDM 60