Straw walker shaft with 6 keys, rear AZ58845 John Deere Manufacturer: Agro Parts Application: Spare part for John Deere grain harvesters. Application: The shaft is designed to convert the torque transmitted to it from the drive element into the oscillatory motion of the straw walkers. The spare part is used to replace a worn or damaged unit during repairs. Design: The shaft is attached to the side of the thresher with ball bearings (disposable grease). The straw walkers are attached to the crankshaft with wooden bearings. Special seats are provided on the shaft for installing wooden bearings.