Promac RGP

Rotary General Purpose

The Rotary General Purpose (RGP) Brush Cutter has features desired by operators who need it for a variety of applications ranging from cutting of long grass to taking down 4” to 5” diameter trees. This model features a rotor with heavy duty hinged heat treated cutting blades, which make for a variable finished product size, minimal mulching capabilities but high production speed.


  • Three blade disc (3BD) with hardened steel blades for long lasting service
  • Heavy duty structural frame construction of fully welded plate
  • Wear resistant liner constructed with QT100 plate
  • Shroud doors on each side of the Brushcutter to provide multiple cutting options
  • 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
  • Renowned Promac warranty, service and support
  • Heavy duty flat top pusher pad
  • Custom designed mounting bracket to match your excavator
  • Upsized bent axis or variable displacement piston motor for superior low speed torque and enhanced disk speed recovery
  • Custom color
RGL 36RGP 36RGP 52
Excavator Size (tons)Min: 5 | Max: 1215+18+
Cut Width36"36"52"
Approx. Weight1000lb1800lb2200lb
ColorMetallic grey / blueMetallic grey / blueMetallic grey / blue
Motor size (cc)4580107
Motor typeBent axis pistonBent axis pistonBent axis piston
Flow Min (GPM)152840
Flow pressure (PSI)400040004000
Disk typeRGPRGPRGP
Disk max speed180018001800
Blade1/2"3/4"3/4"
  • Land clearing
  • Forest fire prevention
  • Pipeline 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 Custom Brackets 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 Sheets: RGL 36 | RGP 36 | RGP 52