The swing motor provides rotational power to the swing gearbox, enabling power transmission and adjustment. Whether it is an excavator or a tracked feller buncher/harvester, they are all equipped with a swing motor and swing gearbox. FridayParts offers swing motor gearboxes, swing gearboxes, reduction gearboxes, and travel gearboxes that are compatible with a wide range of renowned brands, including Sany, CAT, Doosan, JCB, CASE, Volvo, Hyundai, Kubota, Kobelco Yanmar, John Deere, Komatsu, Shibaura, New Holland, Hyundai, Hitachi, Neuson, Kato, Bobcat, and more.