FSI H20S Stump Grinder

Compact hydraulic stump grinding for loaders and tool carriers working in tighter spaces.

Short tagline: A small but capable stump grinder attachment built for precise work and easy access.

Engine & drive

The FSI H20S is a hydraulic stump grinder attachment rather than an engine-driven pedestrian machine. It is designed to run from the host machine’s hydraulic system, and FSI recommends it for loaders and tool carriers in the 1.5 to 2.5 tonne class, while some UK dealers also market it for roughly 2 to 3.5 tonne carriers depending on setup. It requires around 30 to 50 l/min of oil flow, and power demand is typically quoted at roughly 12 to 22 kW, or 15 to 30 hp.

Because the unit uses integrated sweep movement, it lets the operator work across the stump in a sideways motion rather than relying only on carrier repositioning. As a result, stump removal becomes quicker and more controlled in restricted areas.

Deck / working head

The FSI H20S uses a cutting head with integrated sweep, and UK listings quote about 2.5 cm per sweep with an overall sweep coverage of roughly 94 cm. Therefore, it is well suited to accurate stump removal where space is limited and repeated repositioning would slow the job down.

You can specify the attachment with side-to-side sweep control through either a 3-hose or 5-hose connection arrangement. Consequently, the setup can match the hydraulic specification of the carrier machine more easily.

Frame / chassis / build

The FSI H20S attaches by tool grip or coupling, and it comes with an uncoated attachment plate bolted to the machine. That means the correct bracket or adaptor can be fitted for the chosen loader or tool carrier. In addition, FSI and UK dealers note that adaptor brackets are available for common host machines.

The machine also uses two hydraulic cylinders to deliver a stable sweep movement in both directions. Because of that design, it stays controlled during cutting and suits awkward working positions such as banks, narrow access areas, and other hard-to-reach spots.

Comfort & controls

The FSI H20S keeps operation simple because the host machine provides the driving position and main controls. Sweep control can come directly from the carrier controls on a 5-hose setup, while a 3-hose version can use an electronic switch box. Therefore, operators can match the control style to the machine already in use.

Because it mounts to compact loaders and tool carriers, the FSI H20S works well where access matters. At the same time, it gives the operator better reach into awkward positions than many pedestrian stump grinders can manage.

Why choose FSI H20S?

Choose the FSI H20S if you want a compact hydraulic stump grinder for a loader or tool carrier rather than a separate self-propelled machine. While larger attachments suit higher-flow carriers, this model gives smaller host machines a practical way to tackle stump removal professionally.

Because it combines hydraulic drive, integrated sweep, and adaptable mounting, it offers a flexible solution for arboriculture, landscaping, and site clearance work. Furthermore, its compact design makes it useful in places where larger stump grinders struggle to reach.

FSI H20S – Key Specifications

• Hydraulic stump grinder attachment with integrated sweep movement

• Recommended carrier size: approx. 1.5–2.5 tonnes

• UK dealer guidance also quotes roughly 2–3.5 tonne loaders/tool carriers depending on setup

• Hydraulic oil flow requirement: approx. 30–50 l/min

• Power requirement: approx. 12–22 kW / 15–30 hp

• Sweep per pass: approx. 2.5 cm

• Sweep width / coverage: approx. 94 cm

• Weight: approx. 92 kg

• Connection options: 3-hose or 5-hose setup

• Supplied with uncoated attachment plate for host-machine bracket fitting

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