Eisenhuth Horseless Vehicle Company was a manufacturer of Brass Age automobiles who were originally based in New York City.

Fox of the Graham Fox Motor Car Company, who claimed that he had "invented certain essential features of the motors now being made by the Eisenhuth company,"[3] and went bankrupt in 1907.

[4] In 1909, the Eisenhuth factory was sold to the "Noiseless Typewriter Company.

Two were working cylinders, the larger middle one further expanded the exhaust gases of the outer working cylinders, this concept received later the name: '5-Stroke engine'.

The vertical-mounted straight-3, situated at the front of the car, produced 35 hp (26.1 kW).