I bought the ST430 T track drive last winter. Our home is on rural property with a 1500' long and steep winding driveway (15% grade). I went down and back with ease in about 25 minutes with around 8 " of snow plus clearing the upper parking. The discharge actually is about 30-40'. My wife followed me with salt and from then it was easy to maintain for the next two weeks. So much for my $25,000. plow and sander i put on my one ton truck.