Not all planetary gearboxes are created equal. Premier lives up to
their name by looking at every detail and knowing that their reputation is only
as good as the products they manufacture. Even when it comes down to something
as simple as the output shaft seal, we has chosen to go above and beyond all
their competitors by using a labyrinth style output shaft seal. Here is a brief
explanation of how a labyrinth seal works. It is actually a two piece seal where
one piece rotates with the shaft while the other piece remains stationary. This
allows for multiple sealing surfaces within the seal to defend against dirt from coming in and oil from leaking out.
This system creates a “labyrinth” of five different lip seals versus the basic
double lip seal that is used by all other manufacturers. Everyone knows that a
gearbox that loses all of its gear lube will lead to a catastrophic failure. In
an earth auger application this seal is critically important since dirt and
rocks can be forced against this seal, potentially causing wear. Below are a couple of cross section views of
what the Premier seal looks like compared to our competitors. This is just one of the many examples of the
Premier Difference.

If you have any questions or would like more information feel free
to contact us at any time. Check out our complete line of earth auger drive units.