CATEngine Parts

170-9999 Swing Seal Kit — Cat 3054T 3064

This swing seal kit is designed to maintain the integrity of the hydraulic system in heavy equipment, specifically preventing leaks at the swing bearing and slew drive. It utilizes high-quality sealing materials that resist wear and hydraulic fluid degradation, outperforming a worn or damaged seal that would allow fluid loss and contamination. Operators may observe slow or jerky swing movements, hydraulic fluid leaks around the swing mechanism, or a noticeable loss of swing power when this kit fails.

Swing Seal Kit – Part No 170-9999 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeSwing Seal Kit
MaterialNBR rubber, steel
ApplicationSwing bearing and slew drive
Service LifeReplace every 5,000 hrs or as needed
CompatibilityCAT specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of failure include visible hydraulic fluid leaks around the swing mechanism and a slight decrease in swing speed or responsiveness. If left unaddressed, the leaks will worsen, potentially leading to hydraulic system contamination and reduced swing torque. Continued operation risks significant damage to the swing drive components and hydraulic pumps due to fluid loss and contamination.

Installation Tip

Ensure all internal surfaces of the swing drive housing are meticulously cleaned and free from any old seal material or debris before installing the new seals. Take care not to nick or damage the sealing lips of the new seals during installation, as this will cause immediate leakage.

Service Note

Inspect the swing bearing for wear and proper lubrication, and check the hydraulic fluid for contamination when replacing the swing seal kit.