The John Deere AL110285RT is a genuine OEM shock absorber tensioner designed for a wide range of John Deere agricultural and construction equipment. This critical component ensures proper tensioning and dampening, contributing to the smooth operation and longevity of various systems. It is the current part number, superseding previous OEM numbers AL81301 and AL78966. This shock absorber tensioner is compatible with numerous John Deere tractor, combine, cotton picker, forage harvester, sprayer, and windrower models, providing reliable performance and direct fitment.