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The term payload (symbol G Z ) is usually found as a value in the technical data of a vehicle . This denotes the sum of the weight resulting from the crew, payload as well as fuel and lubricants that can be carried.

Payload on the aircraft

Together with the set-up mass , the payload forms the take-off weight of an aircraft . The unit usually used is kilogram (kg) or ton (t).

Payload in transport according to German approval regulations

In the transport sector , the payload for trailers is relevant; with braked trailers, the payload of the vehicle must not exceed the total weight of 3.5 t and the permitted total weight of the trailer must not exceed the permitted unladen weight of the towing vehicle. The actual weight does not matter here. In addition, the permissible total weight of the trailer must not exceed the maximum permitted braked towing mass of the towing vehicle.

In the case of non-braked trailers (less than 750 kg maximum total weight), the total weight of the trailer must not exceed the permissible unbraked towing mass of the towing vehicle. However, the actual total weight of the trailer applies here .

Further details can be found in § 42 StVZO.

Other definitions can be used as a basis in the manufacturer's information. In the earlier DIN standard 70020-2, which has since been withdrawn , the payload was defined, but not the payload.


  • Martina Wischnewski: mobile home or caravan. Select correctly, use safely, Beuth Verlag GmbH, Berlin 2007, ISBN 978-3-410-16488-3 .
  • Richard Von Mises: flight theory. Lectures on the theory and calculation of aircraft in elementary representation, third edition, Springer Verlag GmbH, Berlin 1926.
  • Jörg Walzenbach: Truck Camper. The American pickup cabins, 1st edition, Norderstedt 2010. ISBN 978-3-842-34571-3 .

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