Do AB Kegs and Cornelius Kegs fit in the kegerator? Nat January 29, 2020 13:24 Updated Yes, AB kegs and Cornelius kegs will fit in the Kegerator. It will fit either; 3x 19 L kegs or, 1x 50 L commercial keg. For full specs on the Original Kegerator, see here. For specs on kegs, see here. Related articles Keg Sizes and Specifications Original Kegerator Specifications Stainless Steel Fermenter Dimensions Instructions - Original Kegerator What is the difference between Liquid Malt Extract and Liquid Malt Enhancer?