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For use up to 500 h/year, KUHN has developed the POLY-LONGER hedge and grass cutter models with a horizontal reach of 5 m and an available rotor circuit power of 51 hp.
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The POLY-LONGER hedge and grass cutters are controlled via 4 electric proportional functions: pivot, main and outer booms and flail head orientation. The movement speed increases exponentially as the joystick is shifted further along one direction. The machine allows for smooth and precise operation, while providing unbeatable driving comfort.
For increased safety and precision, the proportional effect works in both directions: up and down. Precision is guaranteed regardless of the type of job (verge, bank, ditch, hedge, etc.).
For efficiency, the functions of the main boom, outer boom, flail head orientation, pivot and floating head can be activated simultaneously with the ergonomic joystick and the position of the various buttons. The EP joystick can also be adjusted to the size of your hand.
The EP joystick is easy to install even in the smallest cabs. It is connected to the machine by a single small-diameter electric cable.
The T15 control console can be removed from the main control panel to suit all cab layouts. It can be easily detached and positioned at eye level and/or within reach.
The console has many features:
The console also includes troubleshooting and repair modes for machine maintenance.
When you invest in a 51 hp hedge and grass cutter with a reach of 5 m you basically need a machine that can go anywhere. The POLY-LONGER models have been designed with this in mind.
Whether you’re working alone along a field, river or forest or performing roadside maintenance for professionals, the kinematics of the POLY-LONGER models make them highly versatile machines.
QUICK SET-UP.
The many coupling solutions and easy cab installation make it faster to prepare the machine and uncouple it from the tractor.
AN “ALL-TERRAIN” MACHINE!
The pivot for the slewing action, the vertical reach of up to 6.35 m, the parallelogram-mounted and accessories such as the SRS (Shift Rail System) are all high-tech advantages when it comes to landscape and roadside maintenance.
When the arm encounters an obstacle, it automatically retracts to the rear. This prevents breakage due to deformation of the arm structure.
The cylinder of the outer boom is positioned above the arm so you can work over the top of fences or hedges without snagging. The parallelogram models can reach over even higher fences due to the anchor point of the arm on the rocker.
The cutting head attachment is positioned at the rear of the head to ensure a wide range of motion even when the arm is extended to its maximum vertical or horizontal reach.
The centred pivot of the POLY-LONGER models and their kinematics make it possible to work in narrow paths. You can work on the vertical plane as close as possible to the tractor without the arm extending to the opposite side.
The parallelogram: the automatic transmission of your hedge and grass cutter!
The main and outer booms of the POLY-LONGER 5557 PAL are linked by a mechanical connecting rod. A single movement on the joystick activates two arm movements. This operating assistance offers several advantages when it comes to driving the machine and controlling costs:
More flexible manoeuvring,
Less driving fatigue for the operator,
Faster obstacle clearance,
Lower maintenance costs by reducing friction (less ground pressure).
| 5050 PAL | |
|---|---|
| Horizontal reach (m) | 5.00 |
| Available rotor circuit power at 540 rpm (kW / hp) | 37/51 |
| Recommended use | Up to 500 hours per year |
| Recommended minimum tractor weight (tonnes) | 4.5 |
| Minimum power required at tractor PTO (kW / hp) | 59/80 |
| Arm safety for obstacle clearance | Hydraulic pivot-mounted system with 116 degree slew |
| Kinematics | Parallelogram |
| Outer boom | Straight arm |
| Hitch category | 3-point cat 2 and 3 |
| Hitch type | A-frame+ 2 stabilisers with universal joints |
| Structure | Frame and main boom with reconstituted very high yield steel structure Main boom section 144 x 120 x 6 to 15mm Outer boom tubular section 100 x 100 x 8mm |
| Full enclosure to protect all components | As standard |
| Bumper with lighting and guards | As standard |
| Self-guiding system for the hoses between the frame and arm | As standard |
| Transport height (m) with 0.5 m ground clearance | 3.69 |
| Machine weight (kg) | 1,450 |
