After the introduction of Tatra 11 and Tatra 12 cars with their distinctive backbone tube design and swing axles, Tatra introduced its first truck on the same basis, Tatra swings into action 78 years on the light utility Tatra 13 powered by 2-cylinder air-cooled petrol engine with power output 8.8 kW (12 hp) and 1000 kilograms cargo capacity.