The Traxxas 6780A Complete Center Differential 4x4 is a full‑assembly center differential designed for Traxxas 4x4 rc vehicles. This complete unit includes the internal gears, bearings, and housing necessary to divide power between the front and rear drivetrain, helping maintain traction, smooth acceleration, and balanced handling on a variety of surfaces. Built to Traxxas specifications, it offers reliable performance and durability as a direct replacement for worn or damaged center diffs in compatible 4wd models. Because it is designed as a precise fit, installation is straightforward on the appropriate Traxxas 4x4 chassis, restoring proper drivetrain function and improving the overall driving experience.