The P2000-P1000 have a 8mm thick Bottom auger and 6mm Top Auger. The paddle is as robust as they come. The Mixer paddles are cut from high quality 20mm thick carbon steel sheet. The Drive train has no geared units. Only high-quality heavy-duty chain, sprockets and bearings are used. P250 Mixer P500 Mixer P1000 Mixer P2000 Mixer P250 Mixer