National Geographic : 1945 Jul
"S/NGLf;" "f/I"OR "OUAD" This is the story of how one basic engine, a favor ite everywhere it runs, has become a winner even in applications which demand two to four times its power. The engine is the General Motors series 71 Diesel which, back in peaceful days, showed the world what dependable low-cost Diesel power could do on farms, highways and on scores of construction projects where developments in progress were quick to recognize the advantages of packing more power into less weight and space. It's busy now all over the world powering landing craft and machinery that is building landing strips and leveling jungles. S ENGNON II g~Y E pA O ENGINE 811y-''nI t Where double the power is needed and space is cramped, two engines are joined side by side. Such "Twins" are used in M-3 and M-4 tanks and M-10 destroyers. In its third form, two "Twins" are joined end to end, forming a "Quad." It is two of these "Quads" that drive the twin screws of the famous LCI's (landing craft infantry), fastest of all landing craft. But whether "Single," "Twin" or "Quad" these GM series 71 engines are promising many advan tages for power users on big jobs and little. With a range of horsepower to fit almost every need, the GM Diesel will be a good bet for everyone who wants dependable power at low cost. ES.. Is 2so H.P .. . DETROIT DIESELENGINE DIVISION, Dotr.it 23, Mic. S.. 150 to 2000 H.P. . . CLEVELANDDIESELENGINEDIVISION, Crlevlond1), Ohio LOCOMOTIVES....................... ELECTRO-MOTIVEDIVISION, to Grange III.