It has been an integral part of the WIKING program for over 50 years and continues to experience a pleasing new edition.The simplicity is what makes the Allgaier single-axle trailer so popular and distinctive.The Allgaier single-axle trailer is something of a symbol of the structure of agriculture in the 1950s and 1960s, which was characterized by many small businesses and the associated size of agricultural machinery.WIKING presented the model for the first time in 1958.