Key Features

• Product identity: John Deere Internal Oil Steel Seal — part number TCU25266.
• Seal type and function: internal shaft oil seal designed to prevent the passage or return of lubricating fluids and to block ingress of foreign matter along rotating shafts.
• Material and construction: steel seal construction for durability in demanding machinery environments.
• Installation context: intended for use on shafts within John Deere systems that require an internal oil seal.
• Seal integrity: designed to maintain sealing performance under typical operating temperatures and rotation speeds in agricultural equipment.

Product Details

• Brand: John Deere
• Part number: TCU25266
• Type: Internal oil seal for shafts
• Material: Steel seal component
• Primary function: Prevents oil leakage and contamination by sealing the shaft passage
• Intended use: Sealing on rotating shafts in John Deere equipment; suitable for hydraulic, transmission, or similar assemblies that require a shaft seal

Compatibility

• Fitment: Designed for John Deere machinery that uses seal TCU25266; serves as the replacement internal oil seal for applicable shafts.
• Typical applications: Shafts in hydraulic systems, gearboxes, and other powertrain components where an internal oil seal is required to retain lubricant and exclude contaminants.
• Installation considerations: Confirm correct seating and clearance per service guidelines to ensure effective sealing with this part.