|This webpage is dedicated to specs for the Detroit Diesel 4-71 engine. Barrington Diesel Club provides technical data and specs for diesel engines, beginning with but not limited to Cummins, Detroit Diesel, CATERPILLAR, Mercedes, EMD,Scania and ADE engines. Bolt tightening torques and fuel consumption rates are also provided for many of these engines. Our WebLog provides a forum for discussing diesel engine features and problems. We also provide general technical data such as Standard Torques for bolts and nuts, Properties of materials like the melting and boiling points of metals, metric to imperial cross references, SAE flywheel housing sizes, and articles of general interest like discussions on fuel consumption, and Detroit Diesel air box pressures.