Wacker Neuson 5000201357 Key Square A8X7X22

The Wacker Neuson Key Square A8X7X22 is a genuine OEM component designed for the RD25 Hydrostatic Double Drum Vibratory Roller series. Sourced directly from Wacker Neuson, this part meets the exact dimensional and material standards of the original, ensuring a correct fit in the drivetrain assembly. It is a direct replacement for worn or damaged keys on RD25 models, including units built to specifications and.

Key Features

• Exact OEM Dimensions: — Manufactured to the precise A8X7X22 square key profile, ensuring correct shaft-to-hub torque transfer without slippage or play.
• Genuine Wacker Neuson Part: — Sourced directly from Wacker Neuson, this is the same key supplied in original equipment assembly — not an approximation.
• Direct Drivetrain Replacement: — Drops into the keyway slot without modification, restoring the positive mechanical connection between shaft and mating component.
• RD25 Series Compatibility: — Confirmed fitment for RD25 Hydrostatic Double Drum Vibratory Roller models, covering both 5000008058 and 5000009317 machine configurations.
• Prevents Power Loss and Wear: — A correctly seated square key locks rotating components in alignment; a worn or sheared key causes slippage, accelerated wear on the keyway, and loss of drive to the drum system.

A square key is a small but critical mechanical fastener that sits in a machined slot — called a keyway — between a shaft and a hub or gear, locking the two together so they rotate as one unit. In a vibratory roller, this connection is essential for transmitting power from the drivetrain to the drum. When a key shears or wears down, the shaft spins independently of the driven component, resulting in loss of drum drive, increased stress on surrounding components, and potential for deeper drivetrain damage if left unaddressed.

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.

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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.

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