Parts catalog Class Komatsu: 3EB-72-121FR CLASS II FORK PIN KIT (LEVER STYLE) (FOR ONE FORK) (.617 IN. DIA.X2.112 IN. PIN) Komatsu 3EC-72-121FR CLASS III FORK PIN KIT (LEVER STYLE) (FOR ONE FORK) (.617 IN. DIA.X2.284 IN. PIN) Komatsu :