50645 (1987) MTD Lawn Mower - Overview

The Lever and Knob Assembly (or Front Wheel Height Adjuster) is used to adjust the front height of the mower, and attaches on the front wheels. It can be installed using a socket set and wrench set, and is rated as "easy" to install by our customers. If broken or damaged (likely due to general wear over time) you will no longer be able to...Read more move it to make adjustments, and the part should be replaced. This black, plastic part is sold individually. Refer to your make, model and diagrams to ensure this part fits your machine.

This Washer-Lock 5/16 is a silver, metal part that is sold individually and comes direct from the manufacturer. With a 5/16 Inch Interior Diameter and 1/2 Inch Outside Diameter, it is used to prevent the nut from backing off and becoming loose on the pulley shaft, and is attached to the drive belt pulley assembly. You will know if you nee...Read mored this because your owners manual will specify it, or the model number of your machine will correspond with this part. If the part is broken due to fatigue, the shafts will free spin when they should be locked together, and must be replaced.

Used in a variety of models of lawn and garden equipment, this Carriage Bolt is around 1 inch long, made of metal, gold in color, is not part of a kit or assembly, and is sold individually. The purpose of this part is to hold parts in place and is used in a variety of locations. This part can become loose through regular use and should b...Read moree regularly inspected for fatigue and wear. If the threads become stripped, it will need to be replaced. You will need a wrench or socket set and a torque wrench to complete this repair. Refer to your owner's manual to determine how tight it should be. Customers rated this repair as Easy.

This is a genuine OEM sourced replacement screw which is commonly utilized on lawn and garden equipment. It is a standard hardware which has multiple applications based on the model of your unit, please refer to appropriate diagrams for the correct location and use of this part. It is a high-quality hex head screw which is made of durable...Read more metal and it is sold individually. Over time threads may wear out or it may simply get lost eventually requiring a replacement, note that a wrench will be needed to install or remove this hardware.

This Bell-Wash Flat Washer is an OEM part that measures .40 inches I.D. x 88 inches O.D. This washer is a silver, metal, washer sold individually. This part is rated as Easy to install by customers. If missing or damaged (likely due to fatigue) it should be replaced. Refer to your owners manual to ensure this is the correct part for you.

This OEM spring bell washer is a small, circular piece of metal that is shaped like a cone and has an inside diameter of 1/4 of an inch. It is also called a Belleville washer or a disc spring, and it is used in lawn equipment to help spread out pressure and absorb shock between parts. If a washer is broken, it may look flattened or distor...Read moreted, and your machine may make unusual vibrations or noises. If you do not replace a damaged spring bell washer, your machine will wear out faster because there will be nothing to cushion its parts. To remove a washer, you can use pliers or a flathead screwdriver to pry it from your machine. If it is difficult to remove, you can use a penetrating oil to loosen it first. To make sure you purchase the correct number of washers, which are sold separately, check your user guide to see where they are needed in your machine.

This OEM Hex Nut 5/16-24 is a silver, metal nut. This certified part is sold individually. It can be applied with a Wrench or Socket and Torque Wrench to the bracket on the rear of the auger house to secure a bracket to the back of the auger housing. Simply torque to the manufacturer specifications. Refer to your owners manual to find o...Read moreut if this is the part you need. Over time the part may be damaged by fatigue and will come loose due to damaged threads, at which time it should be replaced.

This OEM Hex Nut is a gold colored, metal, 3/8 x 16 part, sold individually. It is installed with a wrench, or socket and torque wrench, by torquing to the manufacturer specfications, and is used to secure parts in place. You will know it is broken when you see the nut has damaged threads or rounded off edges, which can happen due to fa...Read moretgiue. If it is damaged, it should be replaced. This part can have different uses and different degrees of difficulty depending on the part the hex nut is securing, but generally the replacement of this part is an easy job.