Institute of Transport Administration

Educating Transport Management since 1944


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Warning about seriously defective aftermarket lorry brake drums

23 Sep 2020

DVSA are warning operators aabout seriously defective aftermarket brake drums that may be fitted to Scania P400 lorries within their fleet.

DVSA say they are aware of 2 cases where aftermarket drums, which were not manufactured or supplied by Scania, have failed on P400 lorries.


No front braking

Both lorries were left without front braking and were fully laden.

The drums failed in the same way when the braking surface fractured and separated from the mounting ring. It is believed that this was not due to normal wear and tear.

Although DVSA have been unable to identify the manufacturer, an image of one of the failed drums is shown above.


Let us know

DVSA are asking operators to let them know if they have similar drums fitted to their lorries and their supplier by calling on 0117 9543425 or emailing

Vehicle safety defects can also be reported at DVSA's online vehicle recalls and faults service