To deal with the indegent road conditions in regards to the Eastern front side, the Germans built tracked tractors to tow various types of cars and provide to help keep different lots from ammunition and meals materials. Their state description of this automobile finished up being “Raupenschlepper-Ost” (tracked tractor-East).The RSO ended up being built by the Austrian manufacturer Steyr-works. It had a commercial-type pushed steel cab and a wooden cargo body. Another variations, after the RSO/03 built by Klockner-Humbolt-Deutz AG, had a less complicated, soft-top, slab-sided steel cab. It proved ideal for the mud and slush conditions towards Russian front part. Because of the “off road” abilities it was utilized as artillery and anti-tank weapon even though the mostly used 75 mm. Pak 40 towing tractor.