Vehicle attachment device for an articulated trailer, vehicle trailer, a vehicle or the like, - the device being constructed as an autonomously operable drying chamber for wooden pallets, - the device having the following features: - a drying chamber with a storage area for the pallets, - the air within the drying chamber is heated, - an energy storage apparatus for energy supply, and - a control apparatus for controlling the process sequences and temperatures in the drying chamber before, during and after the drying operation of the pallets, - characterized in that - the device contains means in order to be able to implement drying and verification of the drying of wooden pallets in accordance with the International Plant Protection Convention (IPPC) Standard, in that - there is an air duct system (32, 34, 36, 38, 40, 42, 44) having a fresh air duct communicating with the outside and a waste air duct which has a communication connection to the drying chamber, - there is at least one fan for producing an air flow within the air duct system (32, 34, 36, 38, 40, 42, 44), - there is a burner for heating the air within the air duct system (32, 34, 36, 38, 40, 42, 44), - as viewed in the longitudinal direction, the drying chamber has a left-hand and right-hand upper air extraction duct (34.1, 34.2) and a left-hand and right-hand lower air injection duct (32.1, 32.2), - the ducts (32.1, 32.3, 34.1, 34.2) are present substantially over the entire length of the drying chamber, - within the air duct system (36, 38) there is a first and a second deflection unit (24, 26), which can be activated via the control apparatus and by means of which the air flow can be led from the right-hand upper air extraction duct (34.1) to the left-hand lower air injection duct (32.1) or alternatively from the left-hand upper air extraction duct (34.2) to the right-hand lower air injection duct (32.2), wherein the control apparatus switches the deflection units (24, 26) alternately, in each case following the expiry of a predefined time interval, to change the air flow direction, and - there is a data storage and display apparatus, which communicates with multiple temperature sensors and which stores the temperature values within the drying chamber as a function of the time during the drying process such that they can be retrieved. - the device being constructed as an autonomously operable drying chamber for wooden pallets, - the device having the following features: - a drying chamber with a storage area for the pallets, - the air within the drying chamber is heated, - an energy storage apparatus for energy supply, and - a control apparatus for controlling the process sequences and temperatures in the drying chamber before, during and after the drying operation of the pallets, - characterized in that - the device contains means in order to be able to implement drying and verification of the drying of wooden pallets in accordance with the International Plant Protection Convention (IPPC) Standard, in that - there is an air duct system (32, 34, 36, 38, 40, 42, 44) having a fresh air duct communicating with the outside and a waste air duct which has a communication connection to the drying chamber, - there is at least one fan for producing an air flow within the air duct system (32, 34, 36, 38, 40, 42, 44), - there is a burner for heating the air within the air duct system (32, 34, 36, 38, 40, 42, 44), - as viewed in the longitudinal direction, the drying chamber has a left-hand and right-hand upper air extraction duct (34.1, 34.2) and a left-hand and right-hand lower air injection duct (32.1, 32.2), - the ducts (32.1, 32.3, 34.1, 34.2) are present substantially over the entire length of the drying chamber, - within the air duct system (36, 38) there is a first and a second deflection unit (24, 26), which can be activated via the control apparatus and by means of which the air flow can be led from the right-hand upper air extraction duct (34.1) to the left-hand lower air injection duct (32.1) or alternatively from the left-hand upper air extraction duct (34.2) to the right-hand lower air injection duct (32.2), wherein the control apparatus switches the deflection units (24, 26) alternately, in each case following the expiry of a predefined time interval, to change the air flow direction, and - there is a data storage and display apparatus, which communicates with multiple temperature sensors and which stores the temperature values within the drying chamber as a function of the time during the drying process such that they can be retrieved.