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?
Otokar Kaya:  It is based on the proven Unimog 500 chassis for high level cross country mobility. Unimog: Unimog is a range of multi-purpose all-wheel drive medium trucks produced by Daimler (formerly Daimler-Benz) and sold under the brand name Mercedes-Benz.
Daimler