York converts Volvo
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YORK has converted its first Volvo 4X2 to a 6x2 rear steer. The vehicle operated by H. Frost and Sons of Bury St Edmunds has its chassis extended and flitched to take a second steered axle.
Mounted forward of the repositioned drive axle, it is fitted with air suspension and located by two leaf high-deflection steel springs.
Drive-axle load sensing ensures proportional loading for the steered axle via the air springs.
York believes its positively steered conversion gives better tyre wear than the self-steer option available from the chassis manufacturer which is claimed to be hesitant on response and relies on scrub side loads for operation.
The fifth wheel can be mounted further back so that in many cases it is practical to couple to some existing tandem axle trailers with the benefit of load compatability.
Replated, the F10 Volvo has a gvw of 22.36 tonnes for operation at 38 tonnes gcw.