The DEUTZ-FAHR 04351870 is a genuine OEM disc spring, also known as a Belleville washer, designed for critical applications in DEUTZ-FAHR agricultural machinery. This robust spring provides essential tension and load distribution, preventing loosening and ensuring reliable operation. With an outer diameter of 40 mm, an inner diameter of 20.2 mm, and a thickness of 2.5 mm, it is engineered to meet precise specifications for models including Agrofarm 85, Agrofarm 100, and various Agrofarm 400 series tractors, ensuring optimal performance and durability.