Wacker Neuson 5000171028 External Spiral Retaining Ring 45X1.69Din

The Wacker Neuson is a genuine OEM External Spiral Retaining Ring 45X1.69Din designed for the RT and RTL/RTK series remote-controlled vibratory trench rollers. As a direct OEM replacement sourced through authorized Wacker Neuson supply channels, part meets the exact dimensional and material specifications required for proper shaft retention in these machines. This ring fits an extensive range of trench roller configurations, including RT56-SC, RT82-SC, RT82-SC2, RTLx-SC3, RTKx-SC3, and RTx-SC2 models, as well as Compatec-equipped variants. Keeping this small but critical component in sound condition is essential to maintaining drivetrain integrity across the full RT family lineup.

Key Features

• Genuine OEM Dimensional Accuracy — Manufactured to the exact 45x1.69 DIN specification, ensuring correct groove engagement and retention force on the shaft without distortion or slippage.
• Drop-In Shaft Installation — Snaps directly into the machined groove on the shaft with standard circlip pliers, requiring no modification to surrounding components.
• Broad RT Family Coverage — Compatible with RT56-SC, RT82-SC, RT82-SC2, RTLx-SC3, RTKx-SC3, RTx-SC2, and HTC15 trench roller variants, including EU configurations and Compatec-equipped models.
• Drivetrain Component Security — Holds bearings, gears, and rotating assemblies in correct axial position; a worn or missing retaining ring allows components to migrate along the shaft, accelerating bearing and housing wear.
• Corrosion-Resistant Construction — Built from hardened spring steel to withstand the vibration, load cycling, and wet-trench conditions typical of remote-controlled trench roller operation.

An external spiral retaining ring is a precision-formed fastener that seats into a machined groove on the outside of a shaft to lock adjacent components — such as bearings, sprockets, or drive elements — in their correct axial position. In a vibratory trench roller, where the drivetrain and drum assemblies are subjected to continuous cyclic loading and high-amplitude vibration, this ring prevents lateral movement that would otherwise cause premature bearing failure or misalignment of rotating assemblies. When the ring is cracked, deformed, or missing entirely, surrounding components lose their positional support and can shift under load, leading to accelerated wear and potential drivetrain damage.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

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