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Descending a Grade DANGER
The MACK PowerLeash™ Engine Brake assists you establishing faster downhill descent speeds than a similarly configured and loaded vehicle without engine brake; nevertheless, even with engine brake, there are limits the maximum vehicle speed which you can travel downhill grades and still keep your vehicle safely under control. Always approach these situations with caution, and gain the experience necessary for each grade and driving condition determine the appropriate downhill descent speed.
For a certain vehicle and load a may established for a given descent. The control speed the vehicle speed which the retarding forces air drag, rolling resistance and engine brake power are equally balanced the natural force gravity that causes the vehicle accelerate down the hill, resulting a steady , controlled vehicle speed. The additional vehicle slowing power fered the MACK PowerLeash™ Engine Brake allows the driver descend the hill a higher gear than normal (at a faster control speed), without overspeeding the engine.
For consider that you are descending a grade with a specific vehicle and assumed total vehicle Y will find that without engine you must descend this grade third gear maintain a steady mph engine without the need apply the service C0029333