Feed Grinders/Mixers For Sale New & Used | Fastline- mixer grinder international ,Choose from a wide range of Feed Grinders/Mixers at Fastline. Top brands include Kuhn Knight, RotoMix, and Knight Mfg.. Listings for Feed Grinders/Mixers include Roller Mills, Horizontal Mixers, and Reel Mixers.BigIronInternational 1250 Grinder Mixer, 80 Bushel, 540 PTO, Supplement Mixer, 10.00-15 Tires, Three Screens, Hammer Mill, Ration-Electronic Scale, Serviced By Central City Scale, Stored Inside, Not Used In Several Years, SN: 0930005U001199