644A Troy-Bilt Tiller - Overview

This nut is a manufacturer-approved replacement part for various lawn and garden equipment. It is sold individually, not as part of a kit or assembly. Also referred to as a Lock Nut, it is resistant to loosening when threaded on a bolt. It has a variety of applications and is used in multiple locations on most models. Please refer to your...Read more owners manual to determine the exact location. While made of durable metal, the ends can round off from improper use of a wrench or socket. Depending on the location, this part may also become worn through regular use of your machine. It should be replaced when visibly cracked, worn or damaged. To complete this repair, you will need a wrench or socket, and a torque wrench. Ensure you torque the bolt according to the manufacturer recommendations. Customers rate this repair as Easy.

The Forward Drive Belt is a 12.5-inch black, rubber belt, sold individually. Installation of this manufacturer-certified part is rated as "Easy" by customers and will require pliers, a socket set, and a wrench set. This part is used to transfer power from the engine's drive pulley to the transmission. If broken due to wear/fatigue/damage,...Read more the drive wheels will no longer be able to propel the mower, and the part should be replaced. This belt attaches between the engine drive pulley and the transmission's drive pulley. Refer to your make, model and diagrams to ensure this part is right for you.

This manufacturer-certified Left Hand Bolo Tine attaches to the left tine holder, and is used to dig up dirt in the area being tilled. This part is constructed of black metal, is rated as "easy" to install, and requires a wrench set. If the part appears damaged or no longer works, it should be replaced. Refer to your make, model, and diagrams to check if this part is correct.

The Reverse Drive Belt is a 13 x 3/8 inch is a black rubber belt which attaches to the transmission and engine drive pulleys. This belt allows you to drive the unit backwards. If it's broken due to fatigue, or damage, you will no longer be able to drive backwards and the part must be replaced. Installation is rated as "Easy" by customers ...Read moreand requires pliers, a socket set and a wrench set. Refer to your make, model and diagrams to ensure this is the right part for you.

The Right Bolo Tine attaches to the right tine holder, and is used to dig up dirt in the area being tilled. This part is approved by the original manufacturer, and is constructed of black metal. Its installation is rated as easy by our customers, and will require only a wrench set. If the part appears damaged or no longer works, it should be replaced.

This silver metal lock washer helps prevent the nut on the drive belt pulley shaft from backing off during operation, it has a 5/16-inch inner diameter and a 1/2-inch outer diameter. one washer is included, replace it if fatigue or damage allows the connected shafts to spin freely, verify fit using the equipment model or owner manual

This OEM Forward Idler Pulley attaches to the pivot bracket to allow the forward belt to idle when not in forward motion. If broken, the machine will no longer be able to propel forward, and the part must be replaced. This part is rated as "Easy" to install by customerss, and requires a wrench set. It is individually sold, and constructed...Read more of metal. Refer to your make, model and diagrams to ensure this is the right part.

The tine shaft oil seal is used in tillers and is made of metal and rubber. This part is priced as an individual item, but may require two for proper installation. If the seal becomes dried out or cracked it will need to be replaced. It presses onto the sides of the transmission housing and stops oil from leaking, and may require a screwdriver during replacement. This part is an OEM from Troy-Bilt.

This is an original Troy-Bilt replacement part. The upper handlebar is designed by the manufacturer for use in tillers. This part is made of metal, and is used to hold the handlebar controls and connect to the lower handlebar. You will require a wrench when replacing this item. This part is sold individually.

This replacement screw is an authentic component which is supplied directly from the original equipment manufacturer for use with Troy-Bilt and MTD lawn and garden equipment. It is a standard hardware which has multiple applications depending on the model of your unit, please refer to appropriate diagrams for the correct location and use ...Read moreof this item. This high-quality screw is made of durable metal and it is sold individually.