Wacker Neuson 5000071699 Shaft Seal

The Wacker Neuson Shaft Seal is a genuine OEM component designed for a wide range of Wacker Neuson equipment, including CT36 and CT48 series walk-behind concrete power trowels, PT3A centrifugal trash pumps, GP3800A portable generators, BFS floor saws, and select BPU and BPS vibratory plate compactors. As a factory-sourced part, it is manufactured to the exact material grade and dimensional tolerances of the original seal, ensuring a correct fit against the rotating shaft and housing bore without modification. This seal is the correct OEM replacement for an extensive range of Wacker Neuson models across the CT, PT, GP, GV, BFS, BPU, and BPS product families. When your existing seal shows signs of leakage, cracking, or wear, replacing it with part number restores the fluid-tight integrity the machine depends on.

Key Features

• OEM-Grade Lip Material — Manufactured from a compound specified by Wacker Neuson to resist oil, fuel, and heat degradation at the shaft interface — maintaining a consistent seal under the rotational loads these machines generate.
• Exact Dimensional Match — Machined to the precise inner diameter, outer diameter, and cross-section of the original seal, so it seats correctly in the housing bore and against the shaft shoulder without rework.
• Broad Cross-Family Fitment — A single verified part number covering CT36 and CT48 concrete trowels, PT3A trash pumps, GP3800A and GV3800A generators, BFS floor saws, and BPU/BPS vibratory plates — confirming cross-application compatibility directly from Wacker Neuson.
• Prevents Fluid Loss and Contamination — A correctly seated shaft seal stops lubricant from escaping the housing and blocks moisture, debris, and contaminants from reaching bearings and internal components, directly protecting service life of adjacent parts.
• Fuel and Chemical Resistance — The seal compound is formulated to withstand exposure to engine oil, gear lubricants, and fuel — critical for pump and generator shaft applications where fluid contact is continuous.

A shaft seal forms a dynamic barrier between a rotating shaft and the stationary housing that surrounds it, preventing lubricating oil or gear grease from leaking out while keeping dirt, water, and debris from working inward toward bearings and internal rotating assemblies. In concrete trowels, pumps, generators, and floor saws, the shaft seal is subject to continuous rotational friction and thermal cycling — making material quality and dimensional accuracy critical factors in how long the seal lasts. When a shaft seal fails, the resulting lubricant loss accelerates bearing wear and can lead to overheating or seizure of internal components, turning a low-cost maintenance item into a far more significant repair.

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.