This company was an engine manufacturer in California.

-The most characteristic engine that they made was the "Murray-Ajax", a six-cylinder radial with two-stroke cycle. It was air-cooled, valveless and supercharged.

-With its 484 cu in it gave 80 hp at 1,400 rpm.

“Murray-Ajax”

-The "Murray-Atlas" was derived from the engine mentioned above with 8 radial cylinders and 2-stroke cycle. It was air-cooled, had no valves and it was supercharged. With 646 cubic inch it gave 120 hp at 1,400 rpm.

“Murray-Atlas”

From Appendix 10: Ajax two-stroke, rotary engine details. And cylinder and piston details.

“Ajax engine, cylinder and piston”

-The cylinder ports and the piston, with a large skirt, are clearly visible.

This engine is also known as Murray Ajax.

"Two figures to know the Ajax engine"

-In the upper figure we have the whole engine viewed from behind and in the lower one a half-carter with the cylinders simply presented in place.