21A-644A711 (2005) Troy-Bilt Tiller - Overview

This genuine drive belt is an original replacement part sourced directly from the manufacturer and is commonly used in Craftsman lawn mowers and edgers. Made from flexible rubber, it transfers power from the engine to the pulley that drives the cutting blades. Over time, the belt may become brittle or cracked due to wear and exposure, req...Read moreuiring replacement to maintain optimal performance. Measuring 3L x 35.80 inches, this belt is sold individually. A wrench may be needed for installation, depending on your equipment model.

This is an original replacement part sourced directly from the manufacturer. The screw is commonly found in yard equipment from Craftsman, such as lawn tractors, snow blowers, and edgers. This part is made of metal, and may be found in various locations in the machine, depending on model. Please be aware that there are different screws...Read more used in the machine. Refer to the parts diagram to be sure of ordering the correct part. You will require a wrench when replacing this item. The screw is sold as an individual replacement part.

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.

Also referred to as a Lock Nut or Flange Lock, this nut is designed for use with various lawn and garden equipment. The purpose of this part is to hold parts in place while resisting loosening when properly threaded. It is sold individually, not as part of a kit or assembly. It is black, made of metal, and is found in a variety of locatio...Read morens. Refer to your owners manual to determine if this is the correct part. This part will need to be replaced when it is weak or broken. The symptoms experienced when this part breaks will depend on its location. You will need pliers to complete this repair. 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 OEM Wheel Shaft Oil Seal is a black rubber part which attaches to the drive shaft to prevent leaks between the wheel shaft and transmission case. Installation is rated as "Medium" difficulty and requires a Screwdriver, Hammer, Washer, and Pipe to fit in the seal. If broken due to damage/fatigue, there will be a leak and the part shou...Read moreld be replaced. Refer to your make, model, and diagrams to ensure this is the right part for you.

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.