Caterpillar 6V-5707 Lip Style Rotary Oil Seal is a Cat‑brand lip‑type seal designed to ride on a lubricated shaft, sealing rotaries while preventing lubricant leakage and ingress of contaminants. It is listed alongside the 6V‑8407 variant as part of Cat’s lip‑style oil seal family used in steering applications, including steering axles and forklift steering components. A verified listing for 6V‑8407 cites an outer diameter of 115 mm for steering‑axle lips. Catalog entries also describe these seals as inner oil seals used in steering components for forklifts, underscoring their role in maintaining lubrication and protecting critical steering assemblies.
