Forestar 643 III and Forestar 644 III: Alliance to present two highly innovative forest tires at Euroforest in France

Agro Napló
Alliance forestry tires have earned an excellent reputation for their performance, reliability and long service life. At Euroforest in France (June 21-23, 2018), Alliance is now to present two new patterns in the renowned Forestar III series: Forestar 643 III and Forestar 644 III.

Both tires were especially developed for forwarders and harvesters to ensure maximum traction and performance under all circumstances. With and without boogie tracks, these new tires reliably deliver in all kinds of heavy duty forestry operations. The unique tread patterns ensure that both tires are compatible with boogie tracks even with heavy loads and when operating under wet soil conditions.

In addition to providing maximum traction, effectively protecting the soil against compaction is a key objective of Alliance. That is why an extra wide tread width and a wide tread radius were chosen, thus ensuring that Forestar 643 III and Forestar 644 III deliver maximum traction with minimum compaction. At the same time, the wide foot print of the Forestar III series offers enhanced driver comfort.

Forestar 643 III – a perfect match for boogie tracks

As one of the most advanced solutions in forestry tires, the brand new Alliance Forestar 643 III is engineered for ultimate track compatibility. When used without boogie tracks, however, this tire equally provides exceptional grip also under critical forestry conditions. This tire is characterised by outstanding stability, excellent self-cleaning abilities and its resilient construction.

The improved heavier nylon construction and special steel belts ensure high load carrying capacity and excellent puncture resistance whilst the reinforced hexagonal bead technology prevents rim slippage and bead failure. The flat tire profile and horizontal groves were specifically designed for unparalleled track grip. At the same time, wider lugs at the shoulder provide extra support to track paws and enhance overall stability. As also minimising downtime is one of the important objectives in the development of Alliance tires, particular attention was given to the curb-rib design, to the unique shoulder buttress design, and to inter lugs around the shoulder of the Forestar 643 III. These features contribute to increased protection against side impacts and cracks as well as increasing puncture and penetration resistance.

The Alliance Forestar 643 III is available in sizes 710/40-22.5, 710/45-26.5, 750/55-26.5 and 780/50-28.5.

Forestar 644 III: Synonym for unmatched traction

Designed with a dual lug angle, the Alliance Forestar 644 III simply provides incredible grip and traction. The sturdy construction of this tire ensures exceptional performance – thus also beating the most challenging working conditions. Thanks to the tire's remarkable resistance against damage, tire life is maximised.

Just as Forestar 643 III tires, also the Forestar 644 III features an improved heavier nylon construction with special steel belts and the reinforced hexagonal bead technology. These characteristics ensure excellent puncture resistance and high load carrying capacity whilst preventing rim slippage and bead failure. The low lug angle at the shoulder enhances traction whilst the higher lug angle at the centre contributes to the tire's high durability. The wide lug centre block ensures stability and ride comfort, and the large tread width allows for a wide footprint which results in reduced ground pressure.

The Alliance Forestar 644 III is available in sizes 600/50-22.5, 710/40-22.5, 710/40-24.5, 600/55-26.5, 710/45-26.5, 750/55-26.5, 800/40-26.5, 710/55-28.5 and 780/50-28.5.

Forestry tires at their best

Alliance forestry tires are developed and manufactured to cope with the most demanding requirements of forestry machinery and tough terrains. Punctures, sidewall damages and external stubble damages are key problems affecting forestry tires. The heavy sidewall profile and the heavy tread under the pattern of Forestar III tires of Alliance are unique in the forestry sector. Especially designed tread compounds ensure minimal damage due to cuts and punctures during forestry operations. The low sidewall deflection is also a key feature for the new tires of the Forestar III series, as the sidewall will not deflect more than 5% even with 100% load. The stability of tires is crucial, and this is particularly true with heavy loads on uneven forest surfaces. The outstanding stability of Forestar III tires is ensured by special grade steel belts and HBC bead technology. A special bead building machine and toolings were used for these modern forestry tires for the first time.

Címlapkép: Getty Images
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