Torque when expressed in engine specs is usually shown at the RPM when the maxiumum amount of torque occurs.
"Torque curve" shows the increase and decline of max torque in regard to RPMs. A "flat torque curve" is referring to an engine that holds a fairy steady torque rating over a stated RPM range.
When something is called "high torque" by a seller, it can mean it has a high max torque figure, and/or it can mean it has a lot of torque at low RPMs.
High torque is often a result of an engine having a ratio of long stroke to smaller bore - in gas or diesel engines. High horsepower is usually the opposite with short stroke and large bore. And some engines are called "square" becaue bore equals stroke.
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Today's Featured Article - Gatherin of the Orange - by Rick Nikolich. In July of 1998 I was talking to fellow Allis Chalmers collector Mike Schilling about the annual "Gathering of The Orange" AC show coming up in August of 1999. He got this wild idea that we should get a convoy of AC tractors and drive them from Charlotte, Michigan 105 miles to LaGrange, Indiana.
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