The John Deere R57820 is a genuine OEM Grade 5 shear bolt designed for critical applications in John Deere agricultural and construction machinery. This robust bolt features a 9.525mm (0.375 inch) diameter and a 69.85mm (2.75 inch) length, with a 3/8-16 thread. It serves as a sacrificial component to protect driveline and PTO systems from overload, ensuring the longevity of more expensive components. Essential for maintaining the operational integrity and safety of compatible John Deere tractors, combines, sprayers, and other heavy equipment.

Deere & Company, commonly known as John Deere, was founded in 1837 by John Deere in Grand Detour, Illinois, United States. The company's headquarters are located in Moline, Illinois. From its humble beginnings with a self-scouring steel plow, John Deere has grown into one of the world's largest manufacturers of agricultural machinery, heavy equipment, forestry machinery, diesel engines, drivetrains, and lawn care equipment. John Deere is renowned for its extensive range of agricultural equipment, including tractors, combine harvesters, planters, and sprayers. Key tractor series like the 6R and 8R are widely recognized for their performance, technology, and precision farming capabilities. The brand also produces a variety of forestry equipment, construction machinery, and engines, all designed with a focus on durability and efficiency. At Partao, you can find a comprehensive selection of genuine John Deere spare parts. Our catalog includes Chopper Blades, Bolts & Fasteners, Other Cab, Body & Steering Parts, Mowers & Cutters, and Hoses & Fittings. Over 125,023 genuine John Deere spare parts are available at Partao. John Deere equipment is a staple in agricultural operations globally, particularly in large-scale farming across North America and Europe. The brand's strong dealer network ensures widespread availability of parts and service, supporting farmers in maximizing uptime and productivity for their diverse range of machinery.