40EX HammerHead Flail Mower

Product Model Specifications

Power Unit Size 12,000 - 16,000 LBS
Cutting Width 40"
Overall Width 63"
Weight 815 LBS
Number of Knives 12-Hammer 
Brush Capacity 4"
Hydraulic Flow Req 12 GPM
Motor Type Gear

The BrushHound 40EX Flail Brush Mower comes with complimentary 100" hoses, flat face couplers, and mount (excluding Tag/WainRoy). If specific size/length hoses or flat face couplers are required, that request should be made when ordering.

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The 40EX HammerHead Mower has a bite worthy of its name. It is a powerful chopping tool that can safely reduce a medium-sized tree to mulch in just minutes. It is equally effective on shrubs and other vegetation. The 40EX is designed to be used on a variety of compact and medium-sized backhoes and excavators. Cutting capacity .5-3.5”

Key Features

  • HammerHead Knife. Forged one-piece sharpened hammer provides maximum versatility. Cuts hardwoods and grasses cleanly with efficient uniformity
  • Bolt-on Excavator Mount. Every model includes excavator-specific mount
  • Extra-Strength Thumb Saddle. Serrated edge works with excavator thumb to grab and remove debris or obstacles
  • Adaptability. Mounts to most compact excavators or backhoes 6k to 8k
  • Composite Dampener Washer. Isolates operational vibration and increases drive component lifespan
  • True Shaft Technology. An electronically balanced cutter drum with serviceable hubs to ensure straight shafts that run smooth for years of reliable, vibration-free operation
  • Wire Guards. Anti-wrap design protects bearings and seals from debris
  • Bolt-on Chain Guards. Easily replaceable if damaged
  • Direct Drive Design. Maximizes power transfer to cutter drum
  • SAE Compliant. Exceeds all SAE J1001 standards for flail mowers
  • Single-Piece Frame. Modern engineering increases strength by 25%


The 40EX combines 12 one-piece sharpened hammerhead knives with a 40-inch cutting width. The result is a potent blend of power, speed and control. It weighs 850 pounds and offers the same proven BrushHound quality, versatility and durability that allow operators to confidently approach any task.