JANSEN® DUO-250 PROLINE – Professional Flail Mower with 2.5 m Working Width for Front and Rear Mounting

The JANSEN® DUO-250 PROLINE is a powerful professional flail mower with a 2.5 m working width, designed for intensive continuous use in agriculture, landscaping, forestry and municipal applications. As part of the new JANSEN® PROLINE series, this model stands for maximum robustness, strong performance and long-lasting reliability.

Thanks to the front and rear mounting option, the DUO-250 offers maximum flexibility in operation – ideal for large areas, demanding vegetation and professional users who do not compromise.

The new JANSEN® PROLINE

Stronger. More powerful. Built for lasting reliability – specially developed for professionals.

With the PROLINE series, JANSEN® brings its proven high-performance machines to a new level: more robust, more powerful, more durable and perfectly designed for professional use.

For years, JANSEN® machines have stood for strong performance, solid engineering and maximum reliability. The PROLINE series continues this tradition and has been specifically developed for demanding daily work – whether in forestry, landscaping or municipal applications.

• Maximum durability thanks to reinforced construction and high-quality components
• High performance due to optimized drive technology
• Long service life – even under intensive use
• Service-friendly design and easy maintenance

Why PROLINE? Because professionals do not compromise.

Key advantages of the DUO-250 PROLINE

2.5 m working width, heavy-duty construction and professional technology for maximum workloads.

• 2.5 m working width
• Suitable for front and rear mounting
• Hydraulic side shift
• 23 heavy-duty hammer flails, approx. 1.2 kg each
• Reinforced PROLINE construction
• High productivity for professional use

Maximum durability for continuous operation

Reinforced construction for intensive use under demanding conditions.

The DUO-250 PROLINE has been specifically designed for heavy continuous workloads. With wall thicknesses of 10–15 mm and 8 mm internal plates, it offers an exceptionally stable frame construction. Heavy-duty bearings and high-quality components significantly increase the overall service life.

High performance and efficient power transmission

Powerful mulching performance even in dense vegetation.

The optimized drive system with 6 V-belts ensures reliable power transmission. The 1,000 rpm PTO (front and rear) guarantees even and clean shredding even in heavy vegetation.

With an effective working width of approx. 2480 mm, the DUO-250 enables high area performance and significantly reduces working time.

Flexibility through front and rear mounting

Versatile application options for different machine concepts.

The DUO-250 PROLINE can be operated both as a front and rear mounted machine. For rear mounting it fits a three-point linkage from category II, for front mounting category II only.

The hydraulic side shift enables precise working along field edges, paths or embankments.

Technical data

• Total width: 2580 mm
• Working width: approx. 2480 mm
• Tractor power: min. 80 HP
• Mounting: Three-point linkage Cat. II
• PTO speed: 1,000 rpm (front & rear)
• Hydraulic side shift
• Required hydraulics: 1x double acting
• Flails: 23 pcs, approx. 1.2 kg hammer flails
• Wall thickness: 10–15 mm (internal plates 8 mm)
• Weight: approx. 980 kg
• PTO shaft included
• Drive belts: 6 pcs
• Rotor shaft Ø: 180 mm
• Rear roller Ø: 180 mm
• Packaging: wooden box
• Packing dimensions: 2820x1100x1200 mm (LxWxH)
• Shipping weight: approx. 1190 kg

Delivery & Assembly

Delivered pre-assembled – quick setup and professional commissioning.

The machine is delivered pre-assembled in a sturdy wooden crate. Final assembly takes approx. 2–3 hours. A German operating manual and an exploded parts diagram are included.

Please note: The gearbox oil (approx. 1 liter 80W90) must be filled separately before first operation.

Conclusion – PROLINE stands for uncompromising professional technology

The JANSEN® DUO-250 PROLINE stands for maximum durability, high performance and long-term reliability in professional applications.

With the PROLINE series, JANSEN® raises its machines to a new quality level – specially designed for professionals who demand maximum performance every day.