Wacker Neuson 5200012640 Valve Plate

The Wacker Neuson Valve Plate is a genuine OEM component designed for the RD27-100 and RD27-120 series ride-on tandem rollers. Sourced directly from Wacker Neuson, this valve plate delivers the exact specifications required for correct hydraulic system operation across the full RD27 family. Fitment covers RD27-100 and RD27-120 configurations including Pro T4F, Basic T4F, and Hydrostatic Vibratory Roller variants. When your hydraulic circuit depends on a properly sealing and porting valve plate, installing the correct OEM part keeps the system operating to its original design.

Key Features

• OEM-Matched Porting Geometry — Manufactured to Wacker Neuson's original specifications, ensuring the fluid passages and sealing faces align precisely with the hydraulic pump assembly in the RD27 drivetrain.
• Drop-In Replacement for RD27 Hydraulic Systems — Designed to install directly into the existing pump or motor assembly without reworking ports, mating surfaces, or fastener patterns.
• Broad RD27 Series Coverage — Compatible with RD27-100 and RD27-120 tandem rollers across Pro T4F, Basic T4F, and Hydrostatic Vibratory Roller variants, covering a wide range of serial number configurations.
• Maintains Hydraulic Pressure Integrity — A worn or damaged valve plate allows internal bypass and pressure loss, reducing drum drive force and compaction output; replacing it restores full hydrostatic circuit efficiency.
• Genuine OEM Part Number 5200012640 — Verify fitment by cross-referencing your machine's model number and serial number against the RD27-100 and RD27-120 configurations listed above.

The valve plate is a critical internal component within the hydraulic pump or motor assembly of a hydrostatic drive system. It acts as the interface between the rotating cylinder block and the fluid porting, controlling the flow of hydraulic oil into and out of the piston bores as the machine moves and the drums vibrate. When the valve plate wears, becomes scored, or loses its sealing surface, internal leakage increases, hydraulic pressure drops, and the machine loses traction power or vibratory force — both of which directly compromise compaction performance on asphalt and soil surfaces. Replacing a damaged valve plate with a genuine OEM unit like the Wacker Neuson 5200012640 restores the hydraulic circuit to its original operating condition.

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.