31N6-40950 Swivel Joint Seal Kit for Hyundai R210LC-7 R220LC-9 Excavator

31N6-40950 Swivel / Turning Joint Seal Kit – Premium Aftermarket Solution for Hyundai

Restore the vital hydraulic fluid transfer between your excavator’s upper and lower frames with the WINSCHEN 31N6-40950 Swivel Joint Seal Kit. Specifically engineered for the central turning joints of Hyundai 7-Series and 9-Series crawler excavators, this premium aftermarket kit effectively stops central rotary joint leaks, preventing loss of travel power and hydraulic cross-contamination.

Key Features and Selling Points

• Manufactured to strict OEM specifications to ensure a seamless and precise fit within the turning joint assemblies of a wide range of Hyundai excavators.
• Constructed from advanced, high-grade elastomeric and PTFE materials for superior resistance to continuous 360-degree rotational friction and high pressure.
• Effectively prevents internal and external hydraulic fluid bypass in the center joint, ensuring smooth travel and track operation.
• Comprehensive rebuild kit includes all essential sub-components required for a complete overhaul, including robust slipper seals, O-rings, and wear rings.
• A cost-effective and highly reliable aftermarket alternative to original parts, significantly reducing equipment downtime.

Compatible Equipment Models

Based on official catalog data, the 31N6-40950 seal kit services the turning joints of the following Hyundai equipment:

• 7-Series Crawler Excavators: R110-7/7A, R140LC-7/7A, R160LC7/7A, R180LC7/7A, R210LC7/7A/7H, R210NLC7/7A, R215LC7, R250LC7/7A, R290LC7/7A/7H, R300LC7, R305LC7, R320LC7/7A, R360LC7/7A, R370LC7, RC215C7/7H, RD110-7, RD210-7/7V, RD220-7, RD340LC-7
• 9-Series Crawler Excavators: R140LC9/9S/9V, R145CR9, R160LC9/9S, R180LC9/9S, R210LC9/9BC/9BH, R210NLC9, R220LC9A, R220NLC9A, R235LCR9/9A, R250LC9/9A, R260LC9S, R290LC9/9MH, R300LC9A/9S/9SH, R320LC9, R330LC9A/9S/9SH, R360LC9, R380LC9A/9DM/9SH, R390LC9, R430LC9/9SH, RB220LC9S, RD140LC9, RD220LC9
• Application: Turning Joint / Swivel Joint / Center Rotary Joint Service

Specifications