216-7644 Hydraulic Swing Motor Seal Kit – Premium Aftermarket Solution for Caterpillar 304

Restore smooth rotation and entirely eliminate hydraulic oil leaks with this professional-grade 216-7644 swing motor seal kit. Specifically engineered for the Caterpillar 304 Mini Hydraulic Excavator. The swing motor is the critical component that allows your excavator’s upper structure to rotate; it operates under constant pressure and high-frequency start-stop cycles. Manufactured by WINSCHEN utilizing premium high-pressure elastomeric materials, these seals are built to withstand the rigorous demands of landscaping, trenching, and urban construction work.

Key Features

• Optimized Swing Performance: Precision-engineered seals prevent internal fluid bypass, ensuring your Cat 304 maintains consistent rotation torque and eliminates “swing drift” when working on inclines.
• Direct OEM Compatibility: Guaranteed to seamlessly match Caterpillar factory specifications for the 216-7644 swing motor group, facilitating an exact and straightforward installation.
• Heavy-Duty Durability: Highly resistant to severe hydraulic pressure spikes, elevated operating temperatures, and wear caused by the continuous swiveling motion.
• Comprehensive Overhaul Kit: Includes all essential service parts and premium resilient O-rings required for a complete, reliable, and leak-free swing motor rebuild.
• Cost-Effective Reliability: A dependable aftermarket alternative from WINSCHEN that delivers OEM-level sealing performance, keeping your compact machinery highly productive.

Compatible Equipment Models

Seal Kit Related Parts

Specifications

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Related Caterpillar Seal Kit Categories

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