From Jalopnik · Charles Krome · · 50s
Duesenberg First Car With Hydraulic Brakes
Duesenberg made the first production car with four-wheel hydraulic brakes in 1921.
In brief
Duesenberg made the first production car with four-wheel hydraulic brakes in 1921. Duesenberg's 1921 Model A was the first car with four-wheel hydraulic brakes, though earlier systems existed. Originally reported by Jalopnik.
Duesenberg Brothers
The Duesenberg brothers founded their garage in Iowa around 1903 after immigrating from Germany.
Four-Wheel Hydraulic Brakes
Fred Duesenberg filed patents for four-wheel hydraulic brakes in 1920, deployed in the 1921 Model A.
First Production Car
The 1921 Duesenberg Model A became the first production car with four-wheel hydraulic brakes.
Earlier Brake Systems
The 1912 Argyll 15 HP had four-wheel mechanical brakes, with Henri Perrot earning a U.S. patent in 1913.
Knox Motors
Knox Motors offered hydraulic brakes on commercial trucks as early as 1915, building one of the world's first motorized fire trucks.
The headline
Duesenberg's 1921 Model A was the first car with four-wheel hydraulic brakes, though earlier systems existed.
