# Duesenberg First Car With Hydraulic Brakes

> Duesenberg made the first production car with four-wheel hydraulic brakes in 1921.
- Title: Duesenberg First Car With Hydraulic Brakes · Jalopnik
- Summary: 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…
- Keywords: duesenberg, model a, hydraulic brakes, four-wheel brakes, 1921, straight-8 engine, indianapolis 500, le mans, cars, culture, First, Car
- Source: Jalopnik — https://jalopnik.com/2292297/duesenberg-first-car-four-wheel-hydraulic-brakes
- Author: Charles Krome
- Published: 2026-10-24T23:25:00+00:00
- Read time: 1 min
- Topics: duesenberg, model a, hydraulic brakes, four-wheel brakes, 1921, straight-8 engine, indianapolis 500, le mans, cars, culture
## 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.
## Key takeaway

Duesenberg's 1921 Model A was the first car with four-wheel hydraulic brakes, though earlier systems existed.