New JOST wheel bolts, length 68mm, for the DCA series for less maintanence work.

The standard safety nut, JAS0020910050 with wrench size 17, is now used on all JOST air bellows.

Please find below the actual cross-over table regarding the new JOST part numbers, which will replace the current Daimler numbers.

For the DCA Steermaster it is advised to use the side port to assist the un-restricted steering function of the axle. For more information please refer to the document below.

Due to the change of several homologation relevant parameters (e.g. ownership change of brake pad manufacturer and the transition of the Mercedes-Benz TrailerAxleSystems brand to JOST) the exist-ing brake test reports need to be modified.

The regulations for braking system type approval have been changed. Supplement 2 to amendment series 11 of ECE-R13 requires a brake certificate update. Existing ECE and EEC certificates may now only be used for a limited time. Further information about the changes is available for download.

In this area you can learn more about dynamic wheelbase adjustment systems for commercial vehicle semitrailers with rigid multiple axle assemblies.
This information is available for download.

We have switched to a chrome(VI)-free surface coating for our bolted connections on axles and have also introduced an oval head shape for the wheel bolts on Mercedes-Benz trailer axles. Further information is available for download in this area.

Information to support complying with requirements on industrial safety and load security, provided in the technical information on JOST axles below.