Here are a few links:
https://www.ezkwip.com/hobart-3-phase-60-qt-dough-bakery-pizza-mixer-h600t-2hp/
https://www.ebayhttps://discountbakeryequip.com/product/hobart-30qt-mixer-d300-220volt-3-phase/.com/itm/Hobart-60-qt-Mixer-H600-New-Bowl-doughhook-220-volt-3-phase-/264252435422
https://www.webstaurantstore.com/hobart-legacy-hsl350-1-350-lb-spiral-dough-mixer-208v-3-phase/425HSL3501.html