Promac HSM Series: Standard Flow Skid Steer Mulcher
Promac Equipment’s HSM Series: High Flow Skid Steer Mulcher is the industry’s most most forestry-proven option for operators performing serious mulching with high flow skid steers. Promac’s no-nonsense western forestry roots focus to deliver increased power, performance, and maximum durability, while competitors focus on fragile and unnecessary “bells and whistles”. You can find this unit coast-to-coast clearing wild overgrowth, building right-of-ways, and helping develop and maintain large, challenging plots of land.
About the Product
Product Features
Available in 60” and 72” inch inch cutting widths, the HSM’s three familiar tooling options (chipper, beaver or double carbide) on a “CPR” drum type, driven by powerful 107cc bent axis variable motor, and 17” inch drum diameter offers powerful forestry-proven mulching performance with an emphasis on tuned, steady production no matter the job. The HSM boasts Promac’s renowned durability by featuring 100,000 PSI steel throughout its frame with reinforced, replaceable wear shoes, liner, and anvils. The easy-to-remove panels to thoughtful service areas means faster maintenance and maximum up time. Some notable application types for this attachment are wildfire fuels management, right-of-way preparation/maintenance, and industrial site preparation/maintenance.
- “Chip Production Rotor” Drum Type
- Proportional Shift
- Chipper, Beaver or Carbide (optional)
- “Fixed Tooth Rotor” Drum Type (optional)
- 17” Front Exposed Drum
- Easily Accessible Service Points
- Replaceable Wear Shoes
- Replaceable Liner & Anvils
Product Specs
Model
HSM60107A
HSM72107A
Dimensions
84"x 55"x 67"
98"x 55"x 67"
Skid Steer Rating
High Flow
High Flow
Cut Width
60"
72"
Avg. Flow Range
38-52 GPM
38-52 GPM
Min. Weight
2300 lbs
2400 lbs
Min. Pressure
4000 psi
4000 psi
Std. Motor Size
107 cc
107 cc
Std. Motor Type
Bent Axis Variable
Bent Axis Variable
Sugg. Drum Speed
2650 RPM
2650 RPM
Sugg. Minimum Carrier
100 HP
120 HP
Promac Equipment
Forged in the heart of western forestry over five decades, Promac Equipment designs and manufactures premium mulchers, masticators, and cutters built to thrive in the toughest vegetation management conditions. Known across the industry for uncompromising quality and performance, Promac Equipment products are engineered to keep operators working—not fixing. No gimmicks. No cheap features. Just rock-solid reliability that stands up to the harshest environments. Proudly based and built in British Columbia, Canada—where serious forestry demands serious equipment.

Our warranty policy lasts 30 days. If 30 days have passed since your purchase, we can’t offer you a full refund or exchange.
Warranty PolicyAt Forge Attachment Company, we strive to provide efficient and reliable shipping for all our heavy equipment attachments. Please read the following shipping policy to understand how your order will be processed and delivered.
Shipping PolicyWe understand that sometimes products may not meet expectations or requirements. To ensure a positive shopping experience, we’ve outlined our Refunds & Returns Policy.
Returns Policy