4-Gallon Case of Shredder Oil This 4-pack of one-gallon shredder oil jugs is our best value! ach jug contains 128 ounces of premium shredder oil, for a total of 512 ounces of this supply. This is a phenomenal value that will last your automatic oiler a long time. Questions about compatibility? Talk to a Whitaker rep today! For more information, please contact Whitaker Brothers