Question: Kaya (rock, in Turkish) is designed and developed by Otokar as a mine-protected vehicle (MRAP), it is based on the proven Unimog 500 chassis for high level cross country mobility, Unimog is a range of multi-purpose all-wheel drive medium trucks, produced by which organization?
Sentence (from "Otokar Kaya"): It is based on the proven Unimog 500 chassis for high level cross country mobility.
Relevant evidence: Yes