Promac RSM

Rotary Super Mulcher

When mulch size is a priority over speed of production, this machine is the choice for operators who require heavy duty brush clearing but also need the final mulch to be small and consistent –similar to a horizontal mulcher.


  • Heavy duty structural frame construction of fully welded plate
  • Wear-resistant liner constructed with QT100 plate
  • Promac-designed and precision-manufactured components including tooling, disc, bearing housing, shafts and drive system
  • Engineering and design services to match your machine’s auxiliary hydraulic flow to attain the desired disk operating speeds
  • Shroud doors on each side of the brush cutter to provide multiple cutting options
  • Renowned Promac warranty, service and support
  • Heavy duty flat top pusher pad
  • Upsized gear or variable displacement motor for superior low speed torque and enhanced disk speed recovery
  • Custom designed mounting bracket to match the customer’s excavator
  • Custom color
RSL 36RSM 36RSM 52
Excavator Size (tons)Min: 5 | Max: 1215+18+
Cut Width36"36"52"
Approx. Weight1200lb2000lb2600lb
ColorMetallic grey / blueMetallic grey / blueMetallic grey / blue
Motor size (cc)4580107
Motor typeBent axis pistonBent axis pistonBent axis piston
Flow Min (GPM)203242
Flow pressure (PSI)400040004000
Tooling type6 edge (quad), 12 top, 12 bottom (carbide)6 edge (quad), 30 top, 30 bottom (carbide)12 edge (quad), 48 top, 48 bottom (carbide)
  • 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

One bracket does not fit all. Every piece of equipment has a different attachment apparatus. Promac offers a custom bracket manufacturing service for all of our brush mulcher and brush cutter customers. Contact us for a quote to design and manufacture a custom bracket that fits your exact needs.

Download product sheet: RSL 36 | RSM 36 | RSM 52