The Detroit Diesel Allison Division of General Motors Corporation, Detroit, Mich., has published data sheets containing easy-to-read specifications of its range of two-cycle, twelve-cylinder marine engines.

Each data sheet contains a photograph of the 525-hp, 675-hp and 800-hp engines, as well as graphs showing engine performance, line drawings illustrating their principal dimensions, and a list of standard equipment.

For a free copy of the data sheets, Write 35 on Reader Service Card