If the auger that picks up the snow is not turning, you may just have broken or missing shear pins (break away bolts that go through the auger shaft). I'd suggest you check those out.
2004 Ariens 11528LE, Troybilt Horse "Big Red" Tiller (original), Troybilt Tuffy Tiller (original), Sears LT1000 mower, Lawn Boy 7073 21" mower, Stihl FS55 RC trimmer, Poulan Countervibe 3400 chainsaw