AS 901 SM – Heavy-Duty Flail Mower for Extreme Terrain

Conquer Rough Terrain with the AS 901 SM

The AS 901 SM is built for professionals who need maximum power and reliability when tackling tall grass, dense brush, and extremely rough terrain. Designed for heavy-duty use, the AS 901 SM offers superior mowing performance, robust construction, and unmatched traction, making it ideal for clearing meadows, overgrown areas, and steep slopes where standard mowers cannot operate.

AS 901 SM Powered by Vanguard V-Twin Engine

At the core of the AS 901 SM is the powerful Briggs & Stratton Vanguard V-Twin 4-stroke engine. Delivering 16.0 hp (11.8 kW) at 3,600 rpm with a displacement of 480 cm³, this engine ensures exceptional torque and consistent cutting power. Furthermore, features like the cyclone air filter and separate engine-blade shaft system provide added durability and long service life, even under tough, continuous use.

Efficient Flail Mowing System for Superior Results

The AS 901 SM features a 90 cm wide flail cutting deck equipped with 26 pairs of Y-flails. This system is highly effective for mulching tall grass, underbrush, and light scrub. Moreover, the cutting height is easily adjustable between 30 and 110 mm, allowing the operator to adapt to different mowing conditions while achieving a clean, professional-grade finish.

Traction, Stability, and Slope Capability with the AS 901 SM

Thanks to permanent all-wheel drive, a 5-speed manual transmission with reverse gear, and a lockable differential, the AS 901 SM delivers outstanding traction on steep and uneven ground. In addition, the automatic parking brake, which engages when the drive lever is released, enhances safety while working on slopes. Agricultural-profile tyres ensure maximum grip, even in muddy or rough environments.

Operator Comfort and Robust Design

The AS 901 SM is designed with operator comfort in mind. The vibration-damped, height- and side-adjustable handlebar reduces fatigue and ensures ergonomic operation. Additionally, the compact yet rugged frame construction, combined with a separate engine and blade shaft system, protects critical components, increasing reliability and minimizing downtime.

AS 901 SM – Key Specifications

• Engine: Briggs & Stratton Vanguard V-Twin, 4-stroke petrol

• Displacement: 480 cm³

• Power Output: 11.8 kW (16.0 hp) at 3,600 rpm

• Fuel Tank Capacity: 5 litres

• Working Width: 90 cm

• Cutting Height: 30–110 mm (adjustable)

• Cutting System: 26 pairs of Y-flails

• Drive System: 5-speed manual with reverse; permanent all-wheel drive

• Speed Range: 1.1–4.0 km/h forward; 2.3 km/h reverse

• Weight: Approximately 265 kg

• Slope Capability: Up to 35°

• Dimensions (L × W × H): 220 × 104 × 99 cm

Why Choose the AS 901 SM Flail Mower?

In summary, the AS 901 SM is the ultimate choice for professionals facing the toughest mowing challenges. With its powerful Vanguard engine, wide flail cutting deck, and exceptional slope handling capabilities, the AS 901 SM guarantees outstanding performance and durability. Therefore, for contractors, municipalities, and demanding landowners, the AS 901 SM delivers the strength, safety, and efficiency required for extreme mowing conditions.

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