Maybe the naming is not perfect. The model is a Büssing NAG 4500 truck, Wehrmacht Nr. 415.
Here you find more information about my design:
http://www.kfzderwehrmacht.de/Hauptseite_deutsch/Verschiedenes/Kfz-Nummern/Kfz__Nummern/Kfz__415_Flak_Messtr_Kw_/kfz__415_flak_messtr_kw_.html
Together with the range finder it was needed to find the objects for the Flak units.
Used by the German Luftwaffe and Wehrmacht
painting: yellow and grey
Bussing Kfz 415 144 001 (rep)