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SEPPI M. | Lightest Flail Mower | Model H3 85 | Working Width 33" Inches | Machine Size 5 To 7 Ton | For Excavators
DESCRIPTION
Precision engineered for maximum versatility, the Seppi H3 85 Flail Mower is the lightest excavator-mounted mulching head in the Seppi M. lineup purpose-built for 5 To 7 ton mini excavators. Featuring a 33" working width, heavy-duty AR400 wear-resistant steel construction, and a mechanically floating mount, the H3 85 delivers smooth, even mulching across challenging terrain like riverbanks, roadside edges, and tight-access green spaces.
Whether you're a contractor, landscaper, municipality, or farm operator, this hydraulic flail mower offers the maneuverability and toughness required for small-to-mid scale vegetation management, with a powerful triple helical rotor that shreds through grass and brush up to 1 inch in diameter.
This compact yet rugged unit is compatible with a wide range of excavators and hydraulic systems thanks to a customizable hydraulic motor setup and universal interface design. Designed with low-maintenance V-belt transmission and an adjustable support roller, the Seppi H3 85 flail mower is the perfect blend of mobility, durability, and performance.
Key Features
- Engineered for 5–7 ton mini excavators, the Seppi H3 85 flail mower is perfectly balanced for compact machines, delivering optimal performance without overloading your boom or hydraulics.
- Features a 33-inch working width, making it ideal for clearing narrow paths, ditches, and tight-access green spaces in a single efficient pass.
- Built with a high-tensile AR400 steel chassis, offering exceptional wear resistance in harsh terrain and extended machine life for professional operators.
- Compatible with hydraulic flow rates from 9–18 GPM, supporting a broad range of excavators while maintaining powerful mulching output.
- Equipped with a triple helical rotor and SMW flails, designed to mulch grass, light brush, and woody vegetation up to 3 cm (1 inch) in diameter with reduced vibration and smoother operation.
- Integrated mechanical FLOAT system allows the mulcher to follow uneven terrain, ensuring a consistent cutting height and cleaner finish on slopes and embankments.
- Standard 3-belt V-drive transmission ensures reliable power transfer while protecting critical components from overload.
- Features a universal mounting interface, allowing easy adaptation to most excavator brands; optional interface plates are available for specific OEM compatibility.
- The adjustable 5" support roller improves ground contact stability, prolongs flail life, and lets operators fine-tune the cutting height in the field.
- Front chain protection and rear rubber safety flap minimize debris ejection for increased safety during roadside or public space maintenance.
- Lightweight design at 181 kg (400 lbs) reduces overall stress on the excavator arm, extending the life of your equipment while improving fuel efficiency.
- Customizable with gear or variable displacement hydraulic motors, giving you control over flow compatibility, pressure tolerance, and performance tuning.
- Optional Y blades or Y blades on shackles available for operators seeking alternative cutting profiles for varied vegetation types.
- Ideal for municipalities, landscapers, contractors, and farmers maintaining canal banks, fencelines, rights-of-way, and overgrown lots.
- Built by SEPPI M., a global leader in vegetation control technology, ensuring world-class engineering, serviceability, and long-term reliability.
Detailed Specifications
Category | Specification |
---|---|
Model Name | H3 85 |
Application | Mulching grass, brush, and light vegetation |
Machine Compatibility | Mini Excavators (5–7 tons / 11,000–14,000 lbs) |
Mounting Type | Universal excavator arm mount (custom interface plate optional) |
Working Width | 85 cm (33 inches) |
Overall Width | 97 cm (38 inches) |
Height (Standard Version) | 66 cm (26 inches) |
Depth | 80 cm (31 inches) |
Base Weight | 181 kg (400 lbs) |
Rotor Type | Triple helical rotor with SMW flails (Y blades optional) |
Standard Flails (SMW) | 9 flails |
Optional Y Knives (OPT-458) | 12 knives |
Optional Y Knives on Shackles (OPT-031) | 15 knives |
Cutting Capacity | Up to 3 cm (1 inch) diameter |
Hydraulic Flow Range | 9–18 GPM (35–68 L/min) |
Hydraulic Pressure Range | 150–250 bar (2,175–3,626 PSI) |
Transmission Type | V-belt drive system (3 belts) |
Drive Motor Options | Hydraulic gear motor or variable displacement motor (customizable) |
Hydraulic Lines Required | 3 (Pressure, Return, Case Drain) |
Support Roller Diameter | 133 mm (5 inches), height adjustable |
Chassis Material | AR400 high-tensile, wear-resistant steel |
Front Protection | Chain guard |
Rear Protection | Safety rubber flap |
Float System | Mechanical FLOAT adaptor for ground contour following (standard) |
Color Options | Charcoal Grey (RAL7021), Red (RAL3020) |
Optional Equipment |
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Ideal Use Cases | Slope mowing, right-of-way clearing, canal and riverbank maintenance, green space management |
Manuals & Documents
Product Brochure
General Warranty Info:
- Ripping It Outdoors works closely with our manufacturers to supply and support your products warranty needs as best as possible!
- The majority of products come with a manufacturer represented warranty against manufacturing defects for at least a 12 month period after the date of sale.
- Expendable components and "wear parts" including but not limited to blades, knives, teeth, oil, chain sprockets, skid shoes, knife mounting discs, and similar components are usually excluded from manufacturer warranties.
- Please reach out to us for any specific warranty information needed about products and parts you can’t find!
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Shipping
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