Wacker Neuson 5100023327 Brake Piston

The Wacker Neuson Brake Piston is a genuine OEM brake piston designed for the RC50 and RC70 series single drum soil compactors, including RC50, RC50p, RC70, RC70p, and RC70vo variants across standard, US, and DPF CAB/ROPS configurations. As a direct OEM replacement, this part is sourced from Wacker Neuson and manufactured to the same specifications as the original, ensuring a correct fit within the brake assembly without guesswork. It is compatible with an extensive range of RC series compactor builds, making it a reliable choice whether you are servicing an older unit or a current DPF-equipped machine. Confirm your model against the fitment list before ordering to ensure this is the correct piston for your machine.

Key Features

• OEM Hydraulic Tolerancing: — Manufactured to original bore and seal-surface dimensions, ensuring correct pressure engagement within the brake piston bore and consistent clamping force.
• Drop-In Brake Assembly Fit: — Installs directly into the existing brake housing with no re-machining or bore modification required, restoring the assembly to original operating condition.
• Broad RC Series Coverage: — Fits RC50, RC50p, RC70, RC70p, and RC70vo compactors across standard, US-spec, and DPF CAB/ROPS configurations, spanning multiple production generations.
• Restored Stopping and Holding Power: — A correctly functioning brake piston delivers full hydraulic actuation force, maintaining the machine's ability to hold position on grade and stop safely under load. A worn or damaged piston can cause brake drag, spongy response, or complete brake failure.
• Safety-Critical Component: — The brake piston is a core element of the service and parking brake system on these compactors. Using a genuine OEM part ensures the braking system performs within the original design envelope, supporting safe operation on slopes and in confined work areas.

The brake piston is a hydraulically actuated component that sits within the brake caliper or brake housing assembly of the compactor's drive system. When hydraulic pressure is applied, the piston extends to engage the brake friction surfaces, slowing or stopping drum rotation and holding the machine stationary on slopes. Over time, the piston can develop seal wear, scoring, or corrosion that leads to pressure loss, inconsistent brake engagement, or a complete inability to hold the machine in place — all of which create a significant safety hazard on compaction work sites.

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.