Wacker Neuson 5000084443 External Retaining Ring

The Wacker Neuson External Retaining Ring is a genuine OEM component designed for the CT36-400E, CT36EDT, and CT30EDT walk-behind concrete power trowels, as well as the BPS 2550A single-direction vibratory plate compactor. Sourced directly from Wacker Neuson, this retaining ring matches the original part specification to ensure correct fit within the assembly. Verified against multiple machine configurations, part number covers a broad range of Wacker Neuson equipment in a single genuine replacement.

Key Features

• Genuine OEM Retention Spec — Manufactured to exact groove dimensions and material hardness required to hold bearing and shaft assemblies securely under operating loads.
• Drop-In External Fit — Designed to seat directly into the external groove on the shaft without reworking or resizing — install with a standard snap ring tool.
• Broad Wacker Neuson Fitment — Confirmed for the CT36-400E, CT36EDT (915mm/36in), and CT30EDT (762mm/30in) electric walk-behind trowels, and the BPS 2550A vibratory plate compactor.
• Prevents Axial Component Migration — A correctly seated retaining ring keeps rotating and sliding components from drifting out of position, maintaining alignment and smooth machine operation.
• Safety-Critical Retention — On rotating equipment such as power trowels and vibratory plates, a failed or missing retaining ring can allow components to disengage unexpectedly — using the correct OEM ring maintains the integrity of the assembly.

An external retaining ring is a precision-formed clip that fits into a machined groove on the outside of a shaft to prevent mounted components — such as bearings, collars, or gears — from sliding axially. On walk-behind concrete trowels and vibratory plate compactors, these rings secure key drivetrain and rotating elements so force is transmitted correctly and components stay in their designed positions. When a retaining ring deforms, corrodes, or is lost during service, the components it holds can shift or separate, leading to accelerated wear, vibration, or mechanical failure of surrounding parts.

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.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.