Description:Cat® Hydraulic Top Body is a part of the swing motor hydraulic system that allows the hydraulic fluid to flow between the upper and lower parts of the machine while enabling the house to rotate freely. A swing drive is composed of a center shaft, a housing, seals, and bearings. The center shaft has holes that create channels for the hydraulic fluid, and the body has hydraulic connections that attach to the excavator. The seals prevent the fluid from leaking, and the bearings facilitate the rotation of the swivel. This swivel body for a excavator machine is designed to withstand high pressure, temperature, and torque. It is compatible with the excavator model and specifications. Cat® Parts are manufactured to precise specifications and are built for durability, reliability, productivity, less environmental impact and reuse. Choose genuine Cat® Parts to protect your revenue-generating equipment, and it's worth it.Application:Cat® Swing Motor Body is used in undercarriage hydraulic system of Cat® Excavator machines. Consult your owner's manual or contact your local Cat® Dealer for more information.