Thursday, 13 April 2023 12:55

Tyre optimisation for tractors

Written by  Mark Daniel
TRS Tyre & Wheel offer a tyre optimisation service for all tractors running on Trelleborg or Mitas tyres. TRS Tyre & Wheel offer a tyre optimisation service for all tractors running on Trelleborg or Mitas tyres.

Tractor tyre optimisation is designed to determine the right balance between inflation pressures and load.

This allows the operator to get the most out of their tyres, all the while increasing tractor productivity and output.

With new tyre and tractor technology, previous assumptions on tyre inflation pressures are often outdated. Not only does inflation determine the amount of load a tyre can carry. It also impacts ride comfort, fuel consumption, tyre life and overall tractor performance.

Adopting the right pressure will reduce running costs by up to 20%.

TRS Tyre & Wheel offer a tyre optimisation service for all tractors running on Trelleborg or Mitas tyres – via an on-site visit, that uses weigh cells to understand axle loadings and weight distribution. Then, post visit, it provides accurate data on optimal tyre pressure recommendations, footprint analysis and soil compaction advice.

A tyre optimisation report also indicates power to weight ratios and suggested operating pressures based on the data collected.

Rural News caught up with the test team recently at Jackson Contracting Limited, base at Tauhei, just north of Morrinsville in the Waikato.

Taking a closer look at a Valtra T175 fitted with a Quicke loader that had joined the fleet, weigh cells were place under each tyre and original tyre pressures recorded. Carrying a wrapped silage bale the results showed a front axle loading of 4824kg, the rear at 4119kg and tyre pressures of 19 and 15psi respectively.

Fitted with Trelleborg TM 800 Series 540-65R30 up front and 650-65R42 at the rear, the weight distribution ratio was 54:46 front to rear, with the tractor delivering a 51kg/hp output. Final recommendations for the tested configuration were to run at 20psi front and 14psi rear, increasing pressures by 0.2bar for extended roadwork.

Operations manager for JCL, Phil Ellison says modern radial tractor tyres have become increasing important as we strive to maintain traction with larger implements, while at the same time trying to reduce soil compaction.

“Of course, the latest technology costs a lot more than a set of old cross-ply’s, so we are very keen to make sure we get the best from a set of tyres in terms of overall life, fuel economy, operator comfort and improved agronomy,” he explains.

“Any savings we can make becomes very relevant as those savings are multiplied over a large fleet of prime movers we operate.”

www.trstyreandwheel.co.nz/optimisation

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Case IH Wins EIMA Award for Optum Suspension System

With the biannual Italian EIMA machinery Expo less than a month away, Case IH has taken out a Technical Evolution award for the Advanced Vehicle Suspension system available on its Optum 360–440 series tractors.

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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