O and K, historically known as Orenstein & Koppel, was a prominent German engineering company with a rich history dating back to its founding in 1876 in Berlin, Germany. The company initially specialized in railway rolling stock but diversified significantly over its long existence. While the original entity has undergone various transformations and divestitures, its legacy in heavy machinery remains notable. Over the decades, O and K became renowned for its robust construction equipment, including excavators, loaders, and graders. In the agricultural sector, the brand was also associated with heavy-duty machinery designed for demanding tasks. Its engineering prowess was evident in the durability and performance of its equipment, which often featured advanced hydraulic systems and powerful engines. Partao offers a selection of genuine O and K spare parts to keep your machinery running efficiently. Our top categories include Hydraulic Seals, O-Rings, Other Engine Parts, Starters, and Steering Bushings. Over 8 genuine O and K spare parts are available at Partao. Operators of O and K machinery value the brand for its historical reputation for robust construction and reliability. The enduring design of its components means that even older machines can continue to perform effectively with the right maintenance and genuine replacement parts, making them a practical choice for heavy-duty applications.