Parts for Troy-Bilt 644A: Wheel / Tire Assembly Parts

This replacement part is a tine. This is a genuine replacement part made by MTD. Tines are common on many different lawn mowers and are able to rake grass clippings, leaves, and other debris in the desired direction. A new tine might be needed if the current part is stripped down or damaged in any way. This can include being dented, bent, cracked, or out of place. If the tine is unable to stay attached to the lawn mower, it might be time to replace it. Be sure to wear work gloves during this repair as this part is often situated close to the blades of the lawn mower and can cause injury. This part is a genuine OEM replacement part to ensure proper fit. This part is sold individually and is sourced directly from the manufacturer.

This is a genuine replacement bolt that is designed specifically for use on select lawn tractors. This tractor bolt is a specialty piece of hardware designed for use on the steering segment gear. This screw holds the gear in place and is exposed to constant vibrations and repetitive motion as a result. Over time, that can result in damage, wear, or even total breakage of the bolt and require a replacement. If the bolt isn't functional or is missing, the steering segment gear will not be secured and that can lead to further damage if left unattended. Using a genuine replacement part like this will guarantee an exact fit for compatible models. This genuine OEM gear bolt is manufactured by MTD. It is compatible with lawn and garden equipment from RYOBI, HUSKEE, Troy-Bilt, Bolens, Yard Machines, Yard Man, and Cub Cadet, along with select models from MTD. The bolt works for more than 100 compatible models. It is made of durable metal and sold as an individual unit. A wrench or socket will be required to replace this part. Always wear gloves when performing repairs on lawn and garden equipment and allow the engine to cool before doing any work.

This left-hand bolo tine is a replacement part used for a tiller. This part is constructed of black metal and requires a wrench set for installation. This tine easy to install. The left-hand bolo tine attaches to the left tine holder and is used to dig up dirt in the area being tilled. This is a genuine OEM part sourced directly from the manufacturer and is sold individually.The left-hand bolo tine should be replaced if it is damaged or no longer working. If the tines become so worn that they are pointed, the tiller will not perform acceptably. The tiller will not dig as deeply nor will chop garden residues and cover crops. The tines are typically to be replaced as a set rather than individually.To replace the tines, begin by removing the sheer bolt with a wrench that connects the tine assembly to the tine shaft. Next by using either a wrench or small impact driver, remove all nuts and bolts disconnecting the tines from the tine holder. Replace the left-hand and right-hand tines, tightening with either a wrench or small impact driver, and reattach the tine holder assembly to the tiller securing it with the sheer bolt. The tines should slant into the inside of the tine holder. The tiller is now ready for use. This part is manufactured by Troy-Bilt and MTD.

This screw is used on a variety of lawn and garden equipment from many manufacturers. This hex screw is a large bolt that has a six-sided head that can be used to fasten metal to wood or wood to wood. This type of screw is unique from traditional screws because the bolt head needs to be held with a socket while a second wrench is used to tighten or loosen the part. The bolts have a smooth shank and small threads. These screws can break or become damaged and no longer do their job. When that happens, they will need to be replaced. A hex key wrench can be placed into the slot of the screw and turned counterclockwise to loosen up the bolt. The replacement hex screw can then be placed in the original hole to adhere parts together on lawn equipment. This is a genuine replacement OEM screw that is commonly used on Craftsman, Toro, Murray, MTD, Yard Machines, Troy-Bilt, Bolens, Yard-Man, MasterCut, Cub Cadet, and Huskee lawn mowers, log splitters, snowblowers, chainsaws, tillers, and string trimmers. The screw is sold individually and made of durable metal.