Austro-Daimler D4 / DF4

In 1918, Austro-Daimler offered a light fire pumper truck DF4 with a 35 hp engine. The first trucks were sent to fire brigades in 1920. Rosenbauer pump had a capacity of 600 l/min and gave pressure of 15 bar.

In addition to this version, the company produced a special fire trucks to extinguish steppe and forest fires. And there was also a version D4 – an air vehicle to extinguish the most difficulty fires.