4. Bearing parts

As the section on trailer load-bearing parts is the same as for cars, please refer to the section under cars.

The following are also included as supporting parts

For trailers: Adjustment / slewing ring

For semi-trailers: Fifth wheel stool/ head pin

Energy and environmentally friendly driving
Bodywork and structure etc.
Please refer to the section under car.

• Trailers must be equipped with side guards on the right side.
• The trailer must be equipped with a rear bumper.