Find a dealer near you
Download the Literature

PRO-LONGER GII hedge and grass cutter

PRO-LONGER GII hedge and grass cutters description

Established professionals

For professional use exceeding 1,500 h/year, KUHN has developed the PRO-LONGER GII hedge and grass cutter models with a horizontal reach of 5.70 m and an available rotor circuit power of 80 hp.

Find a dealer near you

The PRO‑LONGER GII hedge and grass cutter range is specially designed for all roadside service professionals: contractors, local councils, highways agencies, DIR (French interdepartmental road directorate), etc.
Thanks to its quality construction and high-performance components, the PRO-LONGER GII range guarantees outstanding results even with an annual workload surpassing 1,500 hours!
With a horizontal reach of 5.70 m and 80 hp of useful rotor circuit power, highway maintenance professionals will find the PRO-LONGER GII suits their needs. The PRO-LONGER GII models are available in 2 kinematics to meet the drivers' expectations in terms of driving comfort:
  • Straight arm
  • OPTIview semi-leading arm
PRO-LONGER GII at work

Your benefits

Electric proportional controls as standard

With the EP joystick, you will feel like a professional driver as soon as you step in the cab

4 electric proportional functions as standard!

The PRO-LONGER GII hedge and grass cutters are controlled with 4 electric proportional functions: pivot, main boom, outer boom 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.

T15 control console

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: 
  • Hour meter and oil temperature display,
  • Controls for lift float, automatic arm break-back and rotor (grass or wood direction) with anti-reversing safety,
  • Indicator lights, fan, float and temperature alert, floating flail head.
The console also includes troubleshooting and repair modes for machine maintenance.
T15 control console detachable from the main control panel

Versatility to suit the task

MECADRIVE patented mechanical drive: the epitome of KUHN know-how!

MECADRIVE patented mechanical drive: the epitome of KUHN know-how!

The flail head on the PRO-LONGER GII models is designed to deliver professional performance. The 80 hp flail head fitted as standard to all models in the PRO-LONGER GII range is patented by Kuhn.

Transmission is provided by a train of four sprockets, lubricated in an oil bath. This exclusive MECADRIVE assembly provides numerous advantages:


    • The gearbox footprint is considerably reduced. It is therefore easier for the operator to work in ditch bottoms while reducing the quantity of uncut grass at the end of the head to a strict minimum.

    • The casing is fully watertight for flail head work in waterlogged or muddy ditches. Unlike the belt-drive system, the exclusive MECADRIVE assembly shall not be subject to premature wear caused by severe operating conditions.


No maintenance is required for MECADRIVE except for a simple annual oil change. When the rotor encounters a major obstacle, safety is ensured by an oil return via the valves on the circuit.

Universal rotor and XTREM sensor roller (diameter 140 mm)

To adapt to all types of jobs, the universal rotor is available in the conventional length of 1.20 m and also in the 1.60 m MAXI WIDTH. In the first configuration, the rotor is fitted with 60 KUHN broad Y-flails assembled on a 14 mm shackle. This rotor is designed for cutting and trimming of scrub featuring a maximum diameter of 3 cm.

The 1.60 m MAXI WIDTH equipment is designed for mowing and cutting grass and features a set of 42 spoon flails on a 14 mm shackle. It also becomes possible to use this head in "brushcutting" mode thanks to the retractable front-end cover. Wide hedges can be trimmed in a single run.

KUHN broad flail: prefer the original! You will be glad you chose KUHN flails! The exclusive KUHN broad flails are 10% heavier than those present on the common wear parts market.

The XTREM sensor roller is perfectly watertight in all working conditions. Both ends are equipped with double taper roller bearings. The assembly is 100% sealed:
  • On the lug mounting side, by labyrinth seal O-rings and face seals on a film of oil,
  • Sensor roller side, by a plug.
Universal rotor and XTREM sensor roller (diameter 140 mm)

Semi-automatic hitch

For quicker set-up of the different flail heads (rotor, saw, cutter bar, etc.) the PRO-LONGER GII models feature a semi-automatic tool hitching system. The hitching frame allows for accurate positioning of the flail head on the arm.
Semi-automatic hitch

Reliability included!

The PRO-LONGER GII model design was rewarded by the highly prestigious SWEDISH STEEL PRIZE. This international prize is awarded by SSAB and is open to all machine manufacturing companies (farm machinery, public works and industrial machines) using high strength steels in their products. The arm has a reconstituted structure. This design has numerous benefits, including the varying thickness of the steel and the addition of internal stiffeners on the different points of the arm subject to high levels of stress.

Very high yield, industrial-grade steels provide the arms in the PRO-LONGER GII range with twice as much strength and flexibility as a standard tubular structure. Very high yield strength steel is a shape memory alloy. Depending on the load level, the steel returns to its original form. It is thus less subject to breakage under repeated loads. Ageing, resulting in the breaking point, is delayed.

All the machine joints are protected against wear by greased-for-life cell-type bushes. Rotational shaft movement is prevented to avoid premature wear.
Very high yield, industrial-grade steels provide the arms in the PRO-LONGER GII range with twice as much strength and flexibility as a standard tubular structure.

Oversized radiator: constant power

With the cooling capacity of the imposing fan on the PRO-LONGER GII models sustained work can be kept up all day long.
  • Double exchanger: the first one cools the hydraulic system of the two pumps and the second one cools the motor drain,
  • Equipped with a flow reversing system to remove dust from the radiator,
  • 21 kW power, thus 30% of additional exchange capacity compared to the equivalent models on the market,
  • Low temperature trigger point to prevent thermal runaway of the hydraulic system,
  • Position on the left side rather than on the rear. The fan intakes a lot less dust stirred up by the tractor's wheel.
Oversized radiator on KUHN PRO-LONGER Hedge and Grass Cutters: constant power

The PRO-LONGER GII

PRO-LONGER GII 5783 PAL or SPAL

PRO-LONGER GII 5783 PAL or SPAL

Drive it like an automatic gearbox!

These two PRO-LONGER GIIs have a horizontal reach of 5.70 m and feature an 80 hp rotor. They are fitted with an additional OPTIview semi-leading arm and parallelogram kinematics.

For "parallelogram" kinematics the main and outer booms are joined by a link. The operator controls all the arm movements with the machine joystick. Only one function on the joystick is required to move the main boom and outer boom.

With their parallelogram the PRO-LONGER GII 5783 SPA and 6183 SPA model control system is intuitive right from the start. Drivers shall rediscover performance associated to unbeatable driving comfort.

Interested in these benefits Find your nearest dealer

Equipment

Hitching lugs: the solution for good tractor/machine stability

This solution offers good tractor/machine stability

Composed of hitching lugs with swivel-joint stabilisers, this system is attached to the ladder hitch. By spreading the anchoring points of the two stabilisers, this solution offers good tractor/machine stability.
Coupling frame: for machines with a large reach

For work at maximum horizontal reach

The frame features a "trapezoidal coupling" principle. It is composed of two swivel-joint stabilisers positioned on a horizontal section used as a stiffening bar. Increasing the space between the anchoring points of the two stabilisers on the ladder hitch of the 3rd point improves the assembly rigidity and stability for machines with a large reach.
The patented FAST-FIT system provides both fast fit and release of the flails and maximum safety for machines that operate along roads

Quick fit and release of the flails!

The FAST-FIT rotor saves time and makes it easier to work when changing knives. FAST-FIT is 100% safe: no opening on the shackle or flail, so the parts have no weak points. The FAST-FIT rotor still features the reversible rotor to optimise lug wear
Cutter bar for branches with a cross-section less than 10 cm

For thick hedgerows, evergreen and forest hedges up to 10 cm thick

The cutter bar is composed of a 2.20 m cutting bar for wood up to 10 cm in diameter. Slow alternating movements allow to avoid projections.
Saw for wood with a diameter of less than 18 cm

For wood with a diameter of less than 18 cm

Available with 3 blades, the saw cuts wood up to 18 cm in diameter. This saw can also be fitted with platforms with reinforced knives for maintenance work. The 29 hp saw drive is ensured with 3 Kevlar belts. The speed of rotation of the blades is 2,000 rpm. Depending on the works carried out the speed of travel may range from 4 to 5 km/h.
STABI-LINK technology

With this quick-hitch frame your tractor is ready in 5 minutes!

STABI-LINK is the ideal solution for users who want to optimise tractor stability while quickly making it available for other jobs.
Other frames require alterations to the tractor linkage to ensure stability; the STABI-LINK can be fitted and removed quickly and effortlessly.
    PRO-LONGER GII at work

    Media

    KUHN PRO-LONGER GII 5783 PAL and SPAL Hedge and Grass Cutters: performance through traditional kinematics
    KUHN PRO-LONGER GII 5783 SPAL Hedge and Grass Cutter: better visibility with the OPTIview semi-leading arm
    KUHN PRO-LONGER GII Hedge and Grass Cutters with MAXIview leading arm: designed to tackle miles of roadside!
    More

    FOR CONTRACTORS AND LARGE FARMS

    In today's world of farming, where fields are getting larger and time is of the essence, having reliable and efficient machinery is crucial. At KUHN, we are here for contractors and big farms like yours. 

    View all machinery for large farms