Friday, 28 July 2023 11:55

Folding rotary cutters for big tasks

Written by  Mark Daniel
Kubota says the rotary cutters have a range of features that show the brand’s expertise in developing rotary cutters for intensive users. Kubota says the rotary cutters have a range of features that show the brand’s expertise in developing rotary cutters for intensive users.

Kubota New Zealand has recently launched its folding Land Pride RC57 and RC46 Series Rotary Cutter range, further expanding its product offering for large scale and commercial customers.

The RC5715 is a new heavy-duty, 4.6m machine designed for commercial applications such as stubble mulching or contract slashing of roadways, while the RC4620 at a 6.1m working width, complements the broad line of folding cutters and is suited for wide area mowing such as airfields.

Kubota New Zealand product specialist Shaun Monteith says the rotary cutters have a range of features that show the brand’s expertise in developing rotary cutters for intensive users.

“The machines are designed and manufactured in the US, then submitted to rigorous testing procedures. Both series deliver a high blade tip speed to ensure a highquality finish, while a 6” (15cm) blade overlap which eliminates ‘skips’ during turns. Both Series are available in 540rpm and 1000rpm PTO speeds, with an optional shredder kit ideal for breaking down crop residues,” he says.

A self-levelling performance hitch used on both models ensures a tight coupling with an exceptional range of movement, said to be ideal for uneven terrain and helping to reduce wear on the drawbar.

A narrow A-frame tongue also allows tight turns, for increased versatility.

Patented flip spacers on the RC57 Series allow quick adjustment of the cutting height and remove the need for more typical donut-style spacers which are easily lost. Cutting capacity is an impressive 5” (12.7cm) on the RC57 Series, indicating the machines capability, while the RC46 Series offers a still impressive 3” (7.6cm) capacity.

Deck Armor on the RC57 Series provides an additional layer of steel on the underside of the deck, helping to avoid deck damage from the blade, should the machine strike a foreign object, without compromising cut quality. The deck armour is a donut-shaped layer of steel that stops the main deck material from being compromised if the blade is bent after hitting an object. This is a feature valued by commercial and intensive users.

A smooth deck top on both Series means reduced debris collection and easy cleaning between jobs, while the RC5715 has a unique, user-friendly sliding guard on the splitter gearbox improving access to the area for maintenance. Both Series offer a seven-year Limited Gearbox Warranty providing additional user confidence and peace of mind.

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The Advanced Vehicle Suspension system, available on Optum 360, 390, and 440 models, responds to changing conditions, automatically adjusting how the suspension reacts to absorbs shocks and controlling vehicle movement.

In operation, sensors monitor the vibrations transmitted from the tractor chassis to the operator cabin, allowing the system to adjust suspension damping in real time. The control system incorporates key priorities, such as comfort at lower speeds and stability as speed increases, while also reacting to factors such as lower tyre pressures, where the tyres absorb more of the initial shock.

Case IH said as suspension requirements change throughout the working day, as tractors move between the paddock and road transport, the system manages suspension response in the background as tasks, speeds and conditions change, leaving the operator without the need to make manual adjustments.

Richard Hollins, Optum series tractors global product manager, said: “Pioneering technology must earn its place in the working day. Farmers and contractors will judge an investment by what it delivers, including manageable ownership costs, dependable up-time and the versatility to tackle different jobs. With AVS, we are putting intelligent control to work for comfort and stability, without giving the operator another setting to manage.”

Organised by FederUnacoma, the Italian Agricultural Machinery Manufacturers Federation, the contest has been part of EIMA since 1986, with the Technical Evolution distinction awarded to products that introduce original improvements to solutions already manufactured or patented.

www.caseih.com

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