Private company

Atlas-Imperial

American diesel engine manufacturer

Atlas-Imperial Diesel Engine Company was an American manufacturer of diesel engines based in Oakland, California. The company was created in 1916 when two early gasoline engine companies combined to manufacture diesel engines, following the expiration of Rudolph Diesel's patents. The company made diesels for tugboats, fishboats, coasters, yachts, lightvessels, and other ships.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Atlas Imperial Ad
Photo: Unknown author Unknown author, Public domain, via Wikimedia Commons3

Atlas-Imperial Diesel Engine Company was an American manufacturer of diesel engines based in Oakland, California. The company was created in 1916 when two early gasoline engine companies combined to manufacture diesel engines, following the expiration of Rudolph Diesel's patents.2

Sources

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