The John Deere AT87557 Spider and Bearing Assembly is a genuine OEM component designed for optimal performance and durability in John Deere construction and agricultural machinery. This assembly ensures smooth power transmission and is a critical part of the drivetrain. It is compatible with a wide range of John Deere backhoe loaders and wheel loaders, including models 300D, 310D, 310E, 310G, 310J, 310K, 310L, 310SJ, 310SK, 310SL, 315SJ, 315SK, 315SL, 325J, 325K, 325SK, 325SL, 410D, 410E, 410G, 410J, 410K, 410L, 710D, 710G, 710J, 710K, 710L. Weighing approximately 0.5 kg and measuring 114.3 mm x 114.3 mm x 63.5 mm, this assembly meets John Deere's rigorous quality standards.