Fastrac tractor was achieved with the ultimate BKT know-how

In addition to the revised chassis and powertrain developments carried out by the British tractor maker, this speed machine was also equipped with a tire specially developed by BKT and capable of withstanding high-speed runs in excess of 150 mph (241 km/h).

For the task, BKT worked closely with JCB’s engineering team to create a technically advanced tractor tire capable of handling extreme speeds and loads. The tire is a specially constructed 400/80 R 28 RIDEMAX IT 696, based on a tire usually found in industrial applications and capable of speeds of up to 65 km/h on paved surfaces.

This tire offers a series of excellent features and among these an outstanding rolling resistance, which turns into fuel savings and a both economic and environmental advantage.

Compared to the classic RIDEMAX IT 696 tire on which it is based, this high-speed version underwent considerable changes to meet the demands of the challenge.

Firstly, tread blocks were reduced in height from 27 mm to just 10 mm, to improve stability and reduce unwanted movement. Secondly, the carcass was reshaped to be smaller and narrower – this improved aerodynamics and enabled two additional steel belts to be integrated into the tire, to create much needed rigidity. This also prevented the tire from generating excessive heat and stopped tire growth at high rotational speeds.

Finally, this tire has been created with more natural rubber to further improve its grip. And after digitally-created simulations, extensive rig-testing followed to obtain the best performance of the tire, and at speeds that included a generous safety margin.

With motorbike racer and lorry mechanic Guy Martin in the driving seat, Fastrac Two achieved a maximum speed of 153.771 mph (247.470 km/h) and on its way to he recorded an average of 135.191 mph (217.568 km/h). This new speed record was almost 50% faster than the record of 103.6 mph (166.7 km/h) he set in the summer of 2019 at Elvington Airfield in York, using Fastrac One – JCB’s first record-setting tractor.


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