SKF 24988 Power Take Off (PTO) Output Shaft Seal

Reliable Power Take Off Output Shaft Seal for Driveline Systems

The SKF 24988 Power Take Off (PTO) Output Shaft Seal is engineered to provide durable sealing performance in driveline and axle applications. Designed with precise dimensions and a nitrile sealing surface, this seal helps maintain system integrity and prevent leaks in compatible vehicles.

• Width: 0.438 inches for optimal fit
• Outside Diameter: 3.505 inches ensuring proper housing compatibility
• Shaft Diameter: 2.500 inches for accurate shaft sealing
• Sealing Surface Type: Nitrile material for resistance to oil and wear
• Part Number: 24988 for easy identification and replacement

Technical Details and Material Specifications

The SKF 24988 PTO Output Shaft Seal features a nitrile sealing surface, which is known for its resistance to petroleum-based oils and hydraulic fluids commonly found in driveline systems. The seal’s 0.438-inch width and 3.505-inch outside diameter are designed to fit shafts with a 2.500-inch diameter, providing a secure barrier against contaminants and fluid leakage. This precision-engineered seal supports the longevity and reliability of power take off units in various commercial and industrial vehicles.

Compatible Vehicles and Applications

This PTO output shaft seal is compatible with a range of medium to heavy-duty trucks and commercial vehicles that utilize power take off systems requiring a 2.5-inch shaft diameter. It is suitable for use in driveline and axle assemblies where maintaining a tight seal is critical to system performance. Common applications include trucks from manufacturers such as Freightliner, International, and Kenworth, where the part number 24988 matches OEM specifications.

• Prevents oil and hydraulic fluid leaks in PTO units
• Protects driveline components from dirt and debris ingress
• Reduces wear on output shafts by maintaining lubrication
• Helps avoid costly downtime due to seal failure
• Maintains system pressure and operational efficiency

Installation Notes and Tips

When installing the SKF 24988 PTO Output Shaft Seal, ensure the shaft and housing surfaces are clean and free of burrs or damage. Use appropriate seal installation tools to avoid distortion or damage to the nitrile sealing surface. Lubricate the seal lip lightly with compatible oil before installation to facilitate proper seating. Verify the seal is fully seated and aligned to prevent premature wear or leaks.

Quality Assurance and Warranty Information

SKF manufactures the 24988 PTO Output Shaft Seal to meet stringent quality standards, ensuring consistent performance in demanding driveline environments. The seal is produced using high-grade nitrile material and precision tooling. While specific warranty terms may vary, SKF typically offers coverage against manufacturing defects, providing confidence in the product’s durability and reliability.