Horsepower vs. Torque ?

[Dakota_imp]

[/quote] Torque and horse are the same, it represent the energy of an engine at any particular RPM and how it is geared.

A Cummis truck engine of 15L generate around 650 lbs of torque but 300 horsepower, they design the engine to tow heavy load not top speed, and less energy for engine longevity, so are boat engine
[/quote]

Torque and horsepower are NOT the same. Good Lord, my grade school son read this thread and asked what was wrong with you folks.