How a Differential Gear Works Post author:HFM Post published:April 14, 2013 Post category:Brain Food Posting this for Stephanie, because I know she’ll want to watch it. Tags: automotive, differential gear You Might Also Like Get one of these, they are great January 18, 2005 Cat Butt and Humpy Puppy Magnets April 5, 2005 The Long Tail August 29, 2005