The Eterra EX-40 Excavator Flail Mower is built for roadsides, ditches, and other hard-to-reach areas, handling grass, brush, and trees up to 6 inches in diameter. Weighing 616 lbs, it features a Permco gear drive motor that delivers consistent torque and long-term reliability, preventing power loss or overheating during heavy use. The flail rotation speed of 1,900-2,300 RPM ensures a clean cut, while the electronically balanced cutting shaft reduces vibration and wear, keeping operation smooth and extending component life.

Equipped with 20 heavy-duty Y-Knife flail blades, each weighing 2 ¼ lbs, the EX-40 cuts and mulches 4-5 inch material, with careful operation allowing for up to 6-inch material. The curved housing design directs material efficiently through the mower, preventing buildup and ensuring consistent mulching. AR400 skid shoes protect the frame when mowing at ground level, while a rubber vibration dampener absorbs impact to reduce strain on the machine and operator. With a tip speed of 12,743 feet per minute, the EX-40 is built for fast, efficient cutting in demanding environments.