"Two-Cycle Diesel Engines, Model 71, Description and Operating Manual," 1939

Introduced in 1938, the two-stroke Detroit Diesel Series 71 engine powered a wide range of equipment including trucks, buses, farm tractors, and stationary generators. The unit was available in two-, three-, four-, six-, eight-, twelve-, sixteen-, and twenty-four-cylinder versions. This operating manual provided detailed instructions and diagrams for running, adjusting, and maintaining Series 71 engines.