FSI H40 Stump Grinder

Heavy-duty hydraulic stump grinder attachment designed for excavators and loaders.

Short tagline: High-performance hydraulic stump grinding for larger carriers and demanding jobs.

Engine & drive

The FSI H40 is powered entirely by the host machine’s hydraulic system rather than its own engine. Because of this setup, it reduces maintenance requirements while making full use of the carrier’s power.

The attachment typically suits excavators and loaders in the 2.5 to 6 tonne range, depending on hydraulic output. It requires higher oil flow than smaller models, so it delivers stronger cutting performance for larger stumps.

Hydraulic motor drive powers the cutter wheel directly. As a result, the system remains robust, simple, and well suited to continuous professional use.

Deck / working head

The FSI H40 uses a large cutting wheel fitted with the FSI 25 tooth system, which provides aggressive cutting performance and efficient chip removal.

The attachment offers a wide working range, allowing operators to grind stumps both above and below ground level. Therefore, it can remove stumps thoroughly before backfilling.

Because the cutting head works with the excavator or loader boom movement, positioning remains highly flexible. Consequently, operators can reach awkward angles and tight spaces more easily than with pedestrian machines.

Frame / chassis / build

The FSI H40 features a heavy-duty steel construction designed for demanding professional applications. The attachment is supplied with a mounting plate, which can be adapted to suit different carrier machines.

Its robust design ensures durability when working on larger stumps or harder timber. In addition, the compact attachment format keeps transport simple when mounted to the carrier.

Because the attachment integrates with existing machinery, it reduces the need for additional standalone equipment on site.

Comfort & controls

The FSI H40 is operated directly from the carrier machine controls. Because the operator remains in the cab, visibility and safety improve compared with pedestrian stump grinders.

Control of the cutter head comes through the excavator or loader hydraulics. As a result, operators can position the grinder precisely and work efficiently across the stump.

The attachment format also reduces physical effort, since the host machine handles positioning and movement.

Why choose FSI H40?

Choose the FSI H40 if you need a powerful stump grinding attachment for an excavator or loader. While smaller attachments suit lighter work, this model delivers increased cutting capacity for larger stumps and tougher conditions.

Because it combines hydraulic drive, a durable cutting system, and compatibility with common carrier machines, it offers a flexible and efficient solution for arborists, contractors, and land management professionals.

FSI H40 – Key Specifications

• Hydraulic stump grinder attachment
• Suitable for approx. 2.5–6 tonne carriers
• Hydraulic motor drive system
• Heavy-duty cutter wheel with FSI 25 tooth system
• Compatible with excavators and loaders
• Grinding capability above and below ground level
• Durable steel construction
• Supplied with mounting plate for carrier adaptation
• Designed for professional use and continuous operation

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