CCIYU Mower Spindle Assembly — Fits MTD 13AD771G731 / 13AJ771G004; TORO LX420 LX425; CUB CADET LT1040 LT1042; TROY-BILT Bronco Pony Range Rider Super Bronco

Compatible part numbers: Fits Cub Cadet / MTD / Troy-Bilt applications 618-06978, 918-06978; also compatible with Stens 285-705. Why the spindle matters: The spindle assembly is a key component of the cutting deck, working with pulleys and belts to produce an even, clean cut. The mower blades spin around the spindle; if a spindle is bent or broken, or its bearings are worn, the mower will not perform correctly. Replacing the spindle or the spindle bearings is a common DIY repair to restore proper operation. How to hold the spindle steady when removing blades: Use a blade removal tool — first loosen the clamp by turning the handle counterclockwise. Position the tool so it sits over the blade end with the stopping edge resting against the side of the deck. Then turn the handle clockwise to tighten the tool and prevent the spindle from turning while you remove the blade. Safety precautions: Before starting any spindle replacement on a riding mower, park it on a level surface, engage the parking brake, and remove the ignition key. Please note: Check the size and fit information on the product detail page to confirm compatibility with your mower before purchase.