Mixing Bowls Bakeware, Hobart, Home & Kitchen, Kitchen & Dining Hobart 104414 Mixing Bowl 30 Quart Fits D-300, D-300T Um-30B Stainless 321867 Review by Commandroid July 11, 2018 No Comments Stainless steel 30 qt mixing bowl;hobart d-300, d-300treplaces the following manufacturer’s products oem numbers are used for reference only, see policies for more details.oem names oem # hobart 104414 hobart 275685 hobart 437410 uniworld um-30b