Axles - Important information

Tips for checking

Test the axle core by putting a screwdriver into the space between the drop spindle arm and the axle beam (see the illustration). Then hit the screwdriver hard with a hammer to see how much material is left as a support. There should be firm resistance without any give.

If the screwdriver punches a hole, action must be taken immediately!

Vitally important information

More than 90% of all towed vehicle axles are made with hollow axle cores. Salt, water and dirt collect inside the axle beam and attack it. This means that even galvanized axle beams rust from the inside, without being seen from the outside. Very soon the hollow axle core is “eaten away”. Unless action is taken, this leads to serious consequences for the safety of both yourself and other road users. A wheel can detach from the axle with disastrous results.



Everyone should be aware of this, but owners of boat trailers and horse boxes should take particular care because of these heavy and high loads.



There are some trailers built since 1995 that already suffer from seriously corroded axles, with wheels that have come off as a result.



It is recommended that all owners of towed vehicles that are more than 10 years old (preferably 5 years old) should carefully check their axles. See our tips on checking, and ask a garage to do the tests.