Pfungstadt, September 2008 – The Hofmann monty 5800, John Bean T8058 and the Boxer King 58 are designed to change tyres on rims of 4” to 58“ outside diameter without any clamping range extension. Thanks to this extremely vast clamping range the machines are ideally suited to handle the most diverse tyre/wheel assemblies.

These tyre changers are available in three versions: version B is connected by cable to the control console, version BA has the control console fitted on a boom of the machine so that the tyre changing procedure is always under control and within view of the operator and there is no safety risk through the connecting cable. The version WL is radio controlled so the operator can choose the best possible location to have everything under control and within view – and all this without any embarrassing cables.
Operation is very time-saving as the top and bottom carriages are moved by hydraulic cylinders. While the top carriage is used for quick advance of the mounting tool, the bottom carriage advances slowly. The combination of both systems ensures a very quick and time-saving side-to-side movement, exerting a high bead breaking force of up to 3.8 t which is particularly useful when it comes to handling tightly fitting tyre / wheel assemblies.
The special clamping jaws can accommodate rim flanges up to 40 mm thick and rims with a high offset. Positioning and rotation of the mounting tool are controlled independent of each other which saves additional operating steps and time.

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