Product Code:SAE J1111 Title:Component Nomenclature-Skidder-Grapple Issuing Committee:Mtc4, Forestry And Logging Equipment Scope: This SAE Standard characterizes grapple skidders and identifies the major components and parts most commonly associated therewith. Illustrations used here are not intended to include all existing commercial machines or to be exactly descriptive of any particular machine. They have been included to facilitate application of this document.