M155560 Deck Drive Lift Arm for John Deere X300, X304, X310 Select Series — Replacement Lift/Idler Arm (42-inch Deck & STX38 Compatible)

Overview: The M155560 deck drive lift arm is a direct replacement part for John Deere X300, X304, and X310 Select Series tractors. It preserves proper deck drive operation to protect mower deck components and maintain efficient cutting performance. Compatibility: Designed to work with John Deere deck accessories, including deck leveling tools and 42-inch deck systems. Also fits John Deere STX38 parts configurations. Construction & Durability: Manufactured from silver-plated high-strength steel, this lift arm offers corrosion and oxidation resistance while resisting the stresses and vibrations typical of deck drive systems for long-term reliability. Installation: Precisely drilled mounting holes ensure correct alignment with tractor equipment. The part installs without the need for specialized tools, simplifying replacement and lowering maintenance time and cost. Maintenance Notice: Idler arms can lead to deck belt slippage after 200-300 operating hours. If belts break or slippage occurs, replace the faulty component immediately with this lift arm to avoid pulley damage and maintain safe operation.