There are several types of shaft found in cotton pickers, including:

1. Spindle Shaft: The spindle shaft rotates to create the spinning motion that pulls the cotton fibers from the plant into the harvesting machinery.

2. Doffer Shaft: The doffer shaft is responsible for removing the harvested cotton from the spindles and transferring it to the collection system.

3. Drive Shaft: The drive shaft transmits power from the engine to the various moving parts of the cotton, ensuring they operate efficiently.

4. Gathering Unit Shaft: The gathering unit shaft helps in the collection and feeding of cotton into the machine for processing and harvesting.

These shafts are typically made of durable materials such as steel or alloy steel to withstand the rigors of cotton harvesting and processing. Proper maintenance of cotton picker shafts is essential to ensure the smooth operation of the machinery and to prevent downtime during harvesting seasons. Regular inspection, lubrication, and replacement of worn-out shafts are necessary to maintain the efficiency and performance of cotton pickers