This excavator was used for moving the bodies from the mass graves to the cremation
roasts, after Himmler ordered all previously buried bodies exhumed and burned in order to
remove all traces of the mass murder.
The words "Happy Days" were inscribed above this picture in the Kurt Franz
Album.
Arad, Yitzhak; The Pictorial History of the Holocaust, p. 299
Originally from the Kurt Franz Album.