The Toro 117-4083 8" Lawn Mower Wheel & Gear Assembly helps restore smooth, steady movement to compatible walk-behind mowers for more consistent cutting performance. This assembly combines a durable wheel with an integrated gear that engages the mower’s drive system, allowing it to rotate efficiently as the machine moves forward. By maintaining proper traction and balanced motion, it ... https://www.wholetoolbox.com/toro-117-4083-8-lawn-mower-wheel-gear-assembly