Oil seal for Lufkin RS1818H

The oil seal, part number BM31714, is a component for the low-speed shaft assembly within the Lufkin RS1818H marine transmission. This seal functions by retaining lubricant within the gear housing while simultaneously acting as a barrier against external contaminants such as water, dust, and debris. By maintaining the integrity of the shaft seal, the component ensures that the internal gears and bearings receive consistent lubrication during operation.

This component is specifically engineered for the Lufkin RS1818H model. Proper installation of the seal is necessary to prevent lubricant leakage, which can lead to friction and thermal issues within the transmission assembly. As part of routine maintenance for marine gear systems, this seal helps preserve the functional state of the transmission by isolating the internal mechanical environment from the exterior.