By
Scott Schwartz
“Low Range” is essentially another set of
gears (contained within the transfer case) that slow the vehicle down while
multiplying the torque (the force that causes things like axles to rotate)
supplied by the engine. This enables the
vehicle to “crawl” over certain obstacles, or up steep, rocky grades. It also enables the driver to control the
vehicle’s speed more precisely, and it greatly amplifies the engine-braking
effect when descending steep grades. Why
is that important? Because it reduces
the need for the driver to “ride” the brakes in order to keep the vehicle’s
speed from building up.
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