Wacker Neuson 5000010644 Lock Washer B10

The Wacker Neuson Lock Washer B10 is a genuine OEM fastening component designed for a broad range of Wacker Neuson vibratory rammers, diesel rammers, portable generators, light towers, and hydronic surface heaters. As a genuine OEM part, is manufactured to the exact material and dimensional specifications used in original production, ensuring a direct, drop-in fit with no guesswork. This Lock Washer B10 is confirmed to fit the BS50-2, BS50-4s, BS60-2, BS60-4s, BS70-2, and BS70-4As rammer series, along with DS70 and DS720 diesel rammers, G-series generators, LTW-series light towers, RT-series trench rollers, and E-series hydronic surface heaters. Stocking part number means you have the right hardware on hand before it ever holds up a repair.

Key Features

• Genuine OEM Material Spec — Manufactured to the exact hardness and spring-tension grade specified for B10 fastener applications in Wacker Neuson equipment, so the washer bites and holds under vibration the way the design intends.
• Broad Multi-Platform Fitment — A single part number covers BS50, BS60, and BS70 rammer families (two-cycle, four-cycle, oil-injected, and battery variants), DS70 and DS720 diesel rammers, G-series generators, LTW-series light towers, RT-series trench rollers, and E-series hydronic heaters.
• Direct Bolt-In Replacement — The B10 sizing matches the original stud and bolt patterns exactly, so the washer seats flush and engages correctly without shimming or modification.
• Vibration Environment Rated — Rammers and compactors subject fasteners to continuous impact shock; a correctly functioning lock washer prevents progressive bolt loosening that would otherwise lead to structural misalignment or component separation during operation.
• Low-Cost Preventive Hardware — Replacing a worn or flattened lock washer during routine service is one of the least expensive ways to protect higher-cost threaded bosses, housings, and assemblies from damage caused by fastener back-out.

A lock washer is a hardened, spring-tension fastening element installed between a bolt head or nut and the mating surface. Its purpose is to resist rotational loosening caused by vibration, impact, or thermal cycling — conditions that are constant in vibratory rammers, generators running under load, and light towers deployed on rough terrain. When a lock washer flattens, cracks, or corrodes, it loses the clamping force needed to keep fasteners secure, allowing bolts to back out gradually. Left unchecked, a missing or failed lock washer can result in loose covers, misaligned components, or fastener loss that causes more extensive — and more expensive — damage to the surrounding assembly.

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.